Growing Lettuce Indoors in the Winter

Growing lettuce indoors is a project I’ve wanted to tackle for a long time. We have a nice south facing window in our kitchen, it’s perfect for growing plants.

Growing Lettuce Indoors

This post on growing lettuce indoors will be a little different than most of my posts. Usually I’m writing about things I know a lot about or projects we have already tackled and proven successful.

But growing lettuce indoors in the winter is new to us. In fact this post is about our experiment at growing lettuce indoors. This is our first time tying it, so I am going to lay out for you what we are doing and then as our experience grows I will update this post with new advice.

Also I’d really like to ask for your comments and suggestions. If you have experience growing lettuce indoors and would like to add your advice PLEASE feel free!

Why we want to grow lettuce indoors in the winter

Many of you know we do a lot of winter growing, we have 3 cold frames and a hoop house this year bursting with winter produce (to learn more about our year round gardening start here). But lettuce is not the most hardy of the winter plants. We can usually only keep it growing until about the first of December in our cold frames. But we love having lettuce around to add with our other winter greens for salads.

When we moved into our new house 3 years ago, I immediately started checking out this beautiful south facing window in our kitchen. For the last 3 winters we have talked about growing some lettuce in this sunny spot. But because it is on our kitchen, Valerie wanted it to look nice (we do a lot of entertaining here). So we bounced around several ideas and finally this year we landed on clay pots!

This window also has an east facing partner so this entire spot really gets a lot of sunshine every day. More than any other windows in our house.

Our steps for Growing Lettuce Indoors

So here’s how we are trying to grow lettuce indoors this year

Start your Lettuce under lights

We grow all of our own seedlings each year using our seed starting set up. This time of the year it sits unused as its a bit too early for spring plantings. So I figured I should put the seed starter to good use and get the lettuce seedlings off to an extra good start by first growing them under the lights.

Growing Lettuce Indoors 2

We started these lettuce seeds in early October and they have been under the lights since. You can see they have sized up very well and are ready to be transplanted. I think these big beautiful starts will give us our best chance at successfully growing lettuce indoors. My one worry is that these starts are use to 14 hours of light per day. Once they are in the window they will only be receiving 10 hours or less of sunlight during the winter. We will see how they react to this change. Lettuce is a plant that can grow with less light, so I’m hoping this bright window will be enough!

Transplant your seedlings into the pots

We bought eight 4 inch clay pots with saucers. In a hope of save some potting soil we filled the bottom of the pots with some gravel. Again we are experimenting a bit here. 4 inch pots are really not all that big so filling a third of them with gravel may turn out to be a mistake as it might limit root growth. But we’ll see. I can always take the gravel out for the next round.

Growing Lettuce Indoors 3

I then covered the gravel with soil and transplanted the seedlings into the pot and filled up the remaining space. Then we watered them well.

Growing Lettuce Indoors 4

We had about 16 total starts, I picked the 8 strongest and we used the rest in a salad.

I also choose the starts based on color. Again this is in a very public part of our house so we wanted it to look good. You will see, it really does look pretty cool!

Put your seedlings in a sunny window

Max out the sun as much as possible. These windows face our back yard so we don’t need to worry too much about privacy. We will keep the blinds on this window up and out of the way for this whole experiment.

Growing Lettuce Indoors 5

Only 6 of the pots fit in the south facing window so I put the other 2 in the east facing window.

Water, care and fertilizer

The plants are right over the sink so watering should be simple. Clay pots dry out fairly quickly so I figure we will need to water every 3 days.

Rotating the plants will be super important. If we want to avoid tall leggy plants that are leaning to the sun we will need to rotate the pots a 1/4 turn every couple of days. Again having them right over the sink will help us to remember to do this!

Fertilizer will be important. For this first test run the seedlings are planted in an organic seed starting mix. This mix does have a little compost but not much, so we will need to give them a supplemental feeding of an organic fertilizer. For now we will be using our liquid fish emulsion diluted to 1/2 strength. We will fertilize them once a week. I”m a little concerned about the smell of the fish emulsion. If that smell doesn’t go way within an hour or so then I think we will head down to our local nursery. They sell a granular organic fertilizer that we can try instead.

Growing Lettuce Indoors 6

As you can see from the pictures, they look pretty cool!! If nothing else I will enjoy having some green in the house! We used 3 different types of lettuce this time. Our favorite red leaf lettuce, Tom Thumb which are the paler green (this is a mini butter crunch) and then our favorite full size butter crunch. I think ultimately we will stick with leaf lettuces or the mini butter crunch. We want the quickest growing types we can find. We planted these on Saturday (December 10). I’m hoping they are large enough to start harvesting leaves in 2 or 3 weeks (around Christmas). I’ve already started the next batch under the lights of the seed starter. If this project works out, we have several other south facing windows that we may try this in!

So . . . here’s your chance. What advice do you have for me? Have any of you tried this before? What made it successful for you? What varieties did you grow? How soon were they ready for harvest? Leave your comments below! Thanks Guys!

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Simple Hoop House Construction on a raised bed garden

A simple hoop house is a great addition to any garden. They are particularly easy to build on existing raised beds.

Hoop House Fall #2

This post contains affiliate links, clicking on them with not cost you any thing extra, but does allow Stoney Acres to make a small commission on your purchase through the Amazon Affiliate Program!

One of the handiest year round gardening projects you can do in your garden is to build a simple hoop house. A simple hoop house can add at least 6 weeks to each end of your gardening season. Yep, that means you can be planting 6 weeks earlier in the spring and growing 6 weeks later in the fall. In fact depending on where you live and what crops you choose to grow a simple hoop house may be all you need to extend your growing season to 365 days a year.

A simple hoop house is a must if you plan on growing large plants like kale, broccoli or Brussels sprouts either extra early in the spring or late into the fall and winter. As much as I love growing in cold frames, they just don’t have the head room for big kale plants like a hoop house does!

In this post I am going to focus on showing you how to build a simple hoop house over the top of any existing raised bed. I love having a simple hoop house on a raised bed. The great thing about a hoop house on a raised bed is that the bed itself helps to provide structure and strength to the hoop house. A simple hoop house added to the top of a raised bed will be much less complicated and much more secure (against the wind and weather) than a hoop house built directly in the garden.

Those of you that have read my blog for a while will know that I like to do things around the garden as inexpensively as I can. I’m not exactly what you would call “cheap”. But I do love structures and materials that are low priced but still last a long time. This simple hoop house is no exception. You can easily build this simple hoop house for under $20.00

Simple Hoop House – Materials needed

For this project you will need to purchase or locate the following materials

4 – 10 foot pieces of 1/2 inch PVC pipe
1 – 10 foot by 16 foot piece of 3 mil painters plastic
2 – 2 x 4 x 8 piece of lumber (ripped into 4 pieces)
3 – 2 x 2 x 8 pieces of lumber


What ever scrap lumber you have laying around
1 packet of small clamps (at least 8)
A handful of 2 inch and 1 inch screws

Tools Needed

Electric Drill with a screw driver & a 1/8 inch bit
Knife or scissors to cut the plastic
A table saw if you choose to buy a 2 x 4 and rip it yourself.

Simple Hoop house assembly
Step 1 Add the hoops

This is simple to do. Just take your 4 Pieces of PVC pipe put one end in the ground inside your garden bed. Press it as deep as it will go. Then bend the pipe into a hoop and press the other end into the soil. This is a bit of a trick the first year as there will be some tension in the PVC pipe. But after a few months the pipe will actually settle into it’s new shape and when you take it out of the ground next year it will retain the hoop shape.

Step 2 – Secure the PVC to the raised bed.

simple hoop house 2

This step is necessary if you want your simple hoop house to hold up against the wind. All I do is pre-drill a 1/8 inch hole through the PVC pipe.

simple hoop house 3

Then secure the pipe to the side of the bed with a 2 inch screw. Do this for both sides of all 4 pipes.

Step 3 – Cut Your Lumber

If you have a table saw rip your 2 x 4’s in half. This will give you 4 pieces of roughly 1.75 x 1.75 inch boards. If you decided to just buy 2×2 boards then you can skip this step. I prefer to used 2 x 4’s cut in half because the pieces turn out to be better quality boards than most 2 x 2’s you can get at home improvements stores. Most of this wood will be covered by plastic so I just buy inexpensive pine.

Step 4 – Install your ridge pole

simple hoop house 4

To give structure to your hoops and to make the whole hoop house stronger I suggest adding a wooden ridge pole. I like to put mine under the PVC pipe as shown here. This keeps the wood from protruding and causing tears in the plastic. Simply attached with 4 1-1/2 inched screws, screwed down from the top of the PVC and into the wood. Pre-Drill the holes in the PVC.

Notice how simple and cheap this can be.  We had a snow storm on the way and I needed to get this hoop house up fast and I didn’t have a way to go buy lumber.  So I just used 2 shorter pieces of scrap lumber.  the point is to add some rigidity to the structure how ever you can!

Step 5 – Add the plastic

I prefer to access my hoop houses from the short ends. So I secure both long ends of the plastic to the sides of the raised beds using 2 of the other 8 foot pieces of lumber. Simply put the plastic over the hoops and then put the piece of lumber over the plastic and secure with 4 2 inch screws. I suggest pre-drilling the screw holes first to prevent the lumber from splitting.

simple hoop house 5

Make sure you center the plastic on the hoops. Leave enough on each end to be able to secure the short ends of the hoop down to the bed. (see step 6 below)

simple hoop house 4

This is the simplest way to secure your plastic covering to the hoop house. I have messed around with this over the years and just gone with this simple method. If you would like to see one of the other methods I used, that allowed me to access the beds from the long sides, you can see that in this old post here.

Step 6 – Secure the ends with a few clamps.

Now you just need to secure the big flaps at the end down to the hoop and the raised bed using a few clamps. I’ve found 4 or 5 on each end to be enough.

simple hoop house 6

You will need to play with this one a bit. One may end up cutting some of the plastic to allow easier access to the bed. You also need to anticipate being able to open one or both ends on a warm day to “vent” your hoop house.  That way you don’t cook the plants inside on a late warm fall day or early spring day. The clamps will also come in handy for holding the plastic open when you are trying to vent. If you do end up needing to cut the plastic, I would suggest reinforcing the end of the cut with some clear packing tape or even duct tape.

And that’s it!! A simple hoop house to add to your existing raised garden bed.  This new hoop got its first real test the night after I put it up, we had a cold snow storm come through with extremely high winds.  Despite being “cobbled” together a bit it held strong against some pretty tough winds.  The key to making it strong is adding that ridge poll and screwing those PVC hoops to the side of the bed.

simple hoop house 7

If you would like to learn more about using hoop houses to extend your gardening season then I would suggest you pick up a copy of my Online Year Round Gardening video course.

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Trench Composting – The lazy mans composting method

Trench composting fits perfectly into my crazy gardening life. It’s much simpler than trying to constantly have a pile of cooking compost.

Trench Composting

As much as I love gardening there is one aspect that I have always struggled with. And that is composting.

Yes I know I should be doing it! I should be returning as much into my soil every year as I have taken out right!

I also know that composting keeps a bunch of green material out of my local land fill! Again this is great for the environment and something I feel strongly about!

The problem is, I just never seem to get around to it. I’ve had nice compost bins at all of our other places (this is our 3rd home) but I just haven’t been able to settle on a spot here at our new house. And even when we had a compost bin I just never seemed to get it right, how much green material, how much brown, when to turn it, do I need to water the pile, it is “hot” enough. Urrghh!!

Now don’t get me wrong, I know the value of a compost pile. I know I should be doing one and I’m sure I will get back to it someday soon. But right now building a new compost bin is just not on the radar!!

So what do I do with all the excess, lawn clippings, leaves and food scraps coming out of our garden? I simply take care of them by trench composting.

What is Trench Composting?

Trench Composting is a simple and quick method to return all the excess organic material in your yard and garden, back into the garden! And it REALLY is simple!

Just dig a trench (hence the name trench composting) in and open spot in your garden. The trench needs to be about 10 to 12 inches deep. You fill the bottom 4 to 6 inches of the trench with your organic material and then fill the trench back in! Over the next few months all that organic material you put in the trench will slowly decompose and leave a nice layer of organic material in the perfect spot (right in the root zone) of your garden beds. The roots of your growing plants will stretch down to that zone and find all kinds of yummy goodness to snack on!!

If you don’t have a spot big enough for a trench, then just dig a hole! Fill it with compost-able materials cover it up and away you go!!

What sort of things can I put in my Trench Composting?

Vegetable Scraps

This method is a perfect way to get rid of vegetable scraps that are coming from your kitchen or from your canning and food preservation efforts. You will be surprised to see how quickly you can fill up a trench if you are eating a lot of fruits and veggies.

Trench Composting 2

This year in only 45 days (during August & September) we filled 2 trenches like you see above that were 25 feet long in this garden bed.

Coffee grounds and eggshells are also perfect additions to your trench composting.

Grass Clippings

If you have a small grass lawn this can also be a way to get rid of many if not all of your grass clippings. That is a bit harder to do in the middle of the summer when your garden is in full swing and you really don’t have beds to put the grass clippings in, but any time I have open space in the garden I try to dig a trench and fill it with grass and other organics.

Fall Leaves

Fall leaves can also go in your trench compost system, but be cautious. Leaves are considered a “brown” when composting and if not balanced with a lot of greens (like grass clippings) you can damage your soil fertility in the short term as all the nitrogen in your soil will be taken up by the soil bacteria to help decompose those leaves. You can add some leaves to your trench composting in the fall but be sure to cover those leaves with other high nitrogen items like grass clippings and food scraps.

Trench Composting 3

Fall is a perfect time to practice trench composting. After your garden has been mostly pulled up for the year it can be easy to dig trenches, holes or even large pits and fill them with your leaves, veggie scraps and grass clippings. Just be sure you are finished and have your trenches filled in before the ground freezes. Then all that organic material you left in the ground will have all winter and early spring to decompose and improve the soil.

A few things to watch out for when Trench Composting

As with any composting there are a few things you shouldn’t be including in your trench composting efforts.

Animal Products

Meat (cooked or uncooked), bones, and feces from meat eating animals (cats, dogs, people) should be avoided.

Diseased Plant Material

You should also avoid any plant material that you suspect has any type of disease. Putting disease plant material back into your soil will just spread the problem.  With trench composting there is very little heat (unlike pile composting) to destroy pathogens.

Weeds with Seeds

I also try to avoid any weeds that have gone to seed (no sense putting weeds back in the garden) or any weeds that can grow back from the root or stems.

Veggie Seeds

Another thing I try to avoid are seeds! I’m not perfect with this, but I try not to include any seeds from my veggie scraps. I’m particularly careful with tomato scraps. I don’t want those seeds working their way back to the surface and sprouting for the next few years.


Anything wooden should not be added to your trench composting. Sticks, branches and wood chips all take way too long to decompose (years in fact). And while those wooden items are decomposing they will rob your soil of nitrogen.

I also try to avoid really heavy thick stemmed plants like corn stalks and sunflowers. Again these will take some time to decompose and will rob nitrogen from the soil in the mean time.

Well there you have it! My lazy man’s way of composting. I hope you think about ways you can incorporate trench composting into your garden.

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Winter Crop Planting Dates – Year Round Gardening Series #5

Knowing the correct winter crop planting dates for your area will insure you have a great harvest from your year round garden!

 Winter Crop Planting Dates 1
The Persephone Months

The Greek goddess Persephone was the beautiful daughter of Demeter.  Hades fell in love with her and in true Greek God form he kidnapped her, took her to the underworld and forced her to marry him.  Demeter begged Zeus to intervene and save her daughter which he did.  Unfortunately I guess there’s a rule about getting out of the underworld (keep this one in mind so you don’t make the same mistake), if you eat anything while you are there then you can’t get out.

Persephone must have gotten a little peckish and had a snack and doomed herself.  Zeus was able to make a deal with Hades, Persephone was able to leave the underworld for 9 months of the year but had to return to her husband for 3 months.  During the time Persephone is in the underworld, Demeter sorrows.   As the Goddess of the harvest and growth, while she sorrows nothing on the earth grows.

This, according to the ancient Greeks is why we have winter.

Winter Gardening is really just winter harvesting

Everything you are eating in December, January and February is really grown from August to October and just put in cold storage in your cold frame or hoop house.  Most crops require 10 hours or more of sun light to show any real growth.  For many of us in the higher latitudes the 10 hour days go away right around the 5th of November and don’t return until early February.  During those months nothing except Mache and Claytonia do any growing.  Elliot Coleman refers to this time as the Persephone months.

Winter Crop Planting Dates

August planted carrots in the mini hoop house

In order to be able to have crops to harvest in the winter you must get them well under way in the fall.  In our zone 5b garden the targeted planting date for most winter crops is August 1st.  There is some wiggle room on this date, we have planted as late as August 15th and still been fine but that is when most gardeners should start planting winter crops.  I have found Mache and claytonia to be the exceptions to this.  I usually don’t get those seeds in the ground until September and they still do well.  But lettuce, spinach, carrots, and other winter greens need to get started the first part of August.

Finding your winter crop planting dates

August 1st is my planting date, what about your garden??  I have found that for most areas you should start planting your fall crops around 8 weeks before your first frost.  You can go as close as 6 weeks.  So use that as your target date.  Find your average first frost and then count back 8 weeks, that is your planting date for many fall and winter crops.

Starting Seeds Indoors
Winter Crop Planting Dates

Winter Greens started indoors

Some of my beds aren’t ready for new seeds by my winter crop planting dates, most of my summer crops are still maturing.  I deal with this by starting seeds indoors under my growing lights around that same August 1st time frame.  With some care these plants are in really good shape by early September and I can then set them out in their winter beds.  Not everyone has the set up to start seeds indoors, so your only other choice is to look at a local nursery for your starts.  Good luck, I’ve only found starts one time in the last 4 years so that is why I decided to make the move to an indoor seed starter. (learn more about starting your own seedlings by taking my Seed Starting Simplified course)

Winter Crop Planting Dates

Start plants indoors in July and August for early fall planting

Here is the winter crop planting dates I try to keep every year, if you live in a warmer climate you can adjust these dates, if your climate is colder you better get going sooner.  Johnny Seeds has a great planting date calculator that you can use as well:

  • Broccoli- Start seedlings indoors 12 weeks before your first frost
  • Cabbage – Start seedlings indoors 12 weeks before your first frost
  • Kohlrabi – Start seedlings indoors 12 weeks before your first frost
  • Lettuce – 6 to 8 weeks before your first frost
  • Spinach – 3 to 8 weeks before your first frost
  • Swiss Chard – 6 to 8 weeks before your first frost
  • Carrots –  6 to 8 weeks before your first frost
  • Kale  – 6 to 8 weeks before your first frost
  • Other greens – 6 to 8 weeks before your first frost
  • Mache & Claytonia – 2 to 4 weeks before your first frost

If you hit these winter crop planting dates, you should have a great crop ready to start eating in November.

Up next in the winter garden series is cold frame design and construction.

Learn more about year round gardening by taking our 5 hour video course! Click the image below to start learning!!

Year Round Garden Video Course

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Using a Soil Block Maker to start your seedlings

Using a Soil Block Maker for growing your own seedlings is a quick, low environmental impact method for starting your own seedlings.

Using a Soil Block Maker
I’ve been growing my own seedlings for about 10 years now. I’m pretty set in my ways and the methods I use. So set in fact that I even made a video course on my method (Learn more here).

I use the plastic 4 cell packs to start my seeds. I just like it. But I have several gardening friends that I made while in the master gardener program that are using a soil block maker to start their seedlings. I’ve always been curious about how they work and this year I had a chance to borrow a soil block maker from a friend and I used it a few times to start some seedlings.

Using a soil block maker 2

So I thought I’d give you a little review and let you know how they worked out. Please note, this is NOT a sponsored post, no company asked me to do this review. Included in this post are a few affiliate links, if you are interested in buying a soil block maker you can.  I didn’t choose one particular company so you should have a good variety to choose from.

Using a Soil Block Maker

Using a soil block maker 3

So the idea behind a soil block maker is you use this little gadget to compress a big chunk of seed starting mix into a block.


You then plant your seeds in the top of the block and the roots grow down into the block of soil.

Yes you could probably come up with a way to do this yourself, but these things are pretty convenient.

Using a soil block maker 4

Once you have packed the soil into the block maker it has a handle that you press down on that pushes the blocks out of the maker.

Using a soil block maker 5

The handle also makes a handy little depression on the top of the soil block where you plant the seed.

Advantages of Using a Soil Block Maker

No Plastic Waste

I think the biggest advantage of using a soil block maker is you’re not using a container and then there isn’t any plastic waste. Even though I reuse my plastic cell packs for several years, I still end up throwing them out after 5 or so seasons. With a soil block there is no waste and you also don’t have any worries about BDP or other chemicals getting into your seedlings.

Seed Starting Banner $15 450x375 copy

Better Root Growth

Because there is no container you have fewer issues with plants becoming root bound in the container. This is a problem I often have, especially if we have bad weather and I end up putting off transplanting. Root bound plants do not transplant as well and can be set back weeks in their progress when they are out in the garden.

The roots will also be healthier because you are less likely to have too much moisture around the roots like you would if they were in a poorly drained container. Too much moisture around the roots can cause a bunch of different problems with your seedlings.

Lots of size options

Soil block makers come in 3 or 4 different sizes, giving you lots of options for different plant sizes. Using larger blocks will allow you to keep your seedlings growing indoors longer, giving you strong, larger healthy starts.

Forces bottom watering

When you are using a soil block maker you have to water the blocks from the bottom! You put the blocks in a tray and then fill the bottom of the tray with water when needed. I’m a huge fan of bottom watering of seedlings. Seedlings seem to do much better when you water them from the bottom, this forces the roots to go deep in the soil to look for water, instead of staying closer to the surface like they would if you watered from the top.

Disadvantages of using a soil block maker

The soil Dries out quicker

You do have to watch soil blocks a little closer in the water department. Because there is not a container around them the soil can dry out quicker.

Harder to move around

Your soil blocks have to stay in a big tray. That makes things a little harder to deal with during the growing process. If you have some plants in the tray doing better than others they might need to be moved to a different lighting station. That’s pretty hard to do when they are all packed together in one tray.

I also used the larger blocks to grow some lettuce. The roots of the lettuce plants never really filled the whole block.  When transplanting time came, getting those plants out of the tray was a little awkward.

They are a little pricey

At around $30 each using a soil block maker to start your seedlings can be a little pricey up front. Over the long run they will pay for themselves. But there is a pretty larger up front commitment.

My Overall Feelings

Overall I was pretty happy with my first time using a soil block maker.  They were very easy to use and they grew good, strong, healthy starts. I’m sure a few of the issues I had with them would have been resolved had I had a smaller soil block makers. The one I used was the second largest. I think one size smaller would have been better for the small plants I grew.  It also would have saved seedling mix.

Using a soil block maker 6

These guys will be going on my Christmas list this year. I look forward to including them as part of my seed starting program. I think they will be particularly handy for large numbers of flower starts. They will also be great for things like lettuce where.  With lettuce I like to have a bunch of smaller starts to set our after only 4 weeks. I don’t think I would use them for larger starts like tomatoes, peppers or broccoli, where the plants are in the containers longer and grow much larger.

Here’s a list of several different soil block makers for you to check out. (be aware that these are affiliate links so I will earn a small Amazon commission if you buy):

Genuine Ladbrooke Mini 4 Soil Blocker


Micro 20 Soil Block Maker

Ladbrooke Mini 5 Soil Blocker

Anyway, these links will give you a few ideas on where to find this great gardening tool!

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How To Avoid Corn Cross Pollination

I often get questions about planting corn and corn cross pollination.  I’d always been taught that you had to be careful with corn, but for years I didn’t really know the “why”.

Corn Cross Pollination

First let’s talk about what corn cross pollination is and why it is such a worry.  Cross pollination is the natural process where pollen from one variety of a plant pollinates the flower of another.

Cross pollination usually only effects plants within the same family (to learn more about plant families read this post).  So for example a zucchini can cross pollinate with a pumpkin, but the results of the cross pollination will not show up until the next generation.  So it will be the off spring of the cross pollination that will be a new plant.  You will NOT get a pumkinzini this year.

Anyone that says their (x) crossed with (X) and I got this weird funky fruit is mistaken.  In those cases what really happened is they started out with bad seed or there was some environmental factor that made this years fruit “funky”.  Strange fruit in this year, is not the result of cross pollination this year.  I repeat, cross pollination affects the next generations fruit, not this years fruit in almost all families of veggies that can cross pollinate.

BUT, corn cross pollination in an exception to that rule.  The corn that you get this year, can and will be affected by cross pollination.  So you have to be careful what types of corn you plant in your garden.

It all has to do with Dominant Genes.

Field corn and Popcorn are always dominate to sweet corn.

Also regular old sweet corn (or even heirloom sweet corn) may be dominate to many of the “super sweet” varieties of corn out there on the market.

So what does this mean to the home gardener?

Corn is wind pollinated, which means the pollen is spread almost exclusively by the wind (No Insects Involved).

Corn Cross Pollination 2

Corn plants are pollinate when they “tassel”.  Tasseling is when you see the tall feather like shoots at the top of your corn plant and the tassels contains the pollen (this is the male part of the plant).  Lower on the plant is the female flower which we call silt’s.

Corn Cross Pollination 3

These are the bunches of fine silk like material that eventually will be at the top of your corn cobs.  The pollen from the tassels is blown by the wind to the silts, where the seeds are then pollinated and eventually become each of the individual pieces of corn on the cob.

This is why it is so necessary for you to plant corn close together in blocks or multiple rows.  So the pollen from one corn plant can spread to another.

This also explains why it is so easy for different varieties of corn to cross pollinate.

So let’s use sweet corn and popcorn as an example.  If you plant sweet corn and popcorn together, popcorn is the dominate gene. So if (and when) pollen from your popcorn is gets on the silt’s of your sweet corn, cross pollination will occur and the dominate gene’s in the popcorn will ruin your sweet corn, giving your “funky” stranger tasting corn.

So how do you prevent this corn cross pollination?

There are 3 methods.

1.  Only plant one variety of corn per year.

If you want sweet corn, then choose one variety of sweet corn that year so there is no risk of corn cross pollination.  And make sure if your neighbors garden (anyone within 100 feet of your garden) that they also plant the same or a similar variety of sweet corn.  Yes fences or large buildings between your garden and your neighbors will help, but they are no guarantee.

2.  Distance

Distance between varieties can prevent corn cross pollination.  100 feet is usually considered enough distance to prevent any significant cross pollination.  A house between (or some other large structure) may also help.  But if you want 100% pure seed (for example if you are planning on saving an heirloom seed for next year). Then really 1000 feet is the max safety zone!

3.  Time

The other method for preventing corn cross pollination is timing.  The way this works is you separate the time different varieties are pollinating by planting those varieties at very different times.  Say at least 3 or 4 weeks apart.  This means that one variety is done pollinating before the other starts setting tassels.

Separation by time can also be accomplished by planting varieties with vastly different tasseling times.  Try planting an early maturing sweet corn with a late maturing popcorn.  This one requires you don’t some homework and may also mean a little trial and error for a few years.

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I understand this corn cross pollination is a bit complicated, and it can also be a bit of a pain in the neck.  Do your research before you plant different varieties of sweet corn together to be sure they wont cross.  And remember that you can never plant popcorn or field corn (Including those fancy colored decorative corns) together with sweet corn.

Questions???  Ask away in the comment section!

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7 November Garden Tasks you still need to do!

Here’s a list of November Garden tasks that those of us living in the north should be completing before it gets too cold.

November Garden Tasks

As the gardening year winds down for most of us in the north there are still a few garden tasks you should be competing during the month of November. As always this advice is meant for those of us living in Zones 4 to 7 and even those a bit colder if your ground isn’t frozen. Those of you in the warmer zones can put these tasks off for a bit longer.  Don’t know your garden zone?  Check out this post to learn more about gardening zones!

Plant Garlic

The first of our November garden tasks is planting garlic.  If you haven’t already done so NOW is the time to get some garlic planted. Fall planted garlic will do 100% better than spring planted. And as long as your ground hasn’t frozen there is still time to get some garlic in. It may be getting harder to find seed this time of year, but ask around, many of your gardening friends may have a few cloves they can give you. Of if all else fails you can always plant some from the grocery store.

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The point is that even this late in the year you are better off to plant garlic now than waiting for the spring. Don’t forget to give your garlic bed a layer of protective mulch. Something like straw, leaves or grass clippings. You can learn more about planting garlic from this post.

Put out cold frames & hoop houses

For those of you adventurous enough to garden year round the next November garden tasks is be sure your cold frames and hoop houses are out and covering your winter crops. Get these handy crop protectors out and ready for use. Really cold nights are coming soon and you don’t want to be rushing out to get them set up in the snow!

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Also keep in mind that November is a transition month for most of us, weather wise. You can have one day in the 60’s and the next in the 30’s. So you need to keep a close eye on the temperature inside your cold frames and hoop houses. Temperatures inside a cold frame on a 65 degree day can reach into the high 90’s. That is way to hot for tender winter greens and they will cook for sure. So watch that temperature and vent your cold frames and hoop houses in order to keep the temperature in the 60’s!

Also remember to give your winter crops a couple of good waterings this month. Despite all the cooler weather and moisture this time of year it is still a good idea to water those plants a few times before the ground freezes. (Learn more about building cold frames here)

Dig & Prep beds for spring

I love getting my garden beds ready for spring planting now, in the late fall. Fall is a great time to dig and prep your beds for spring planting. If you take care of all those major tasks now then all the beds will need in the spring is a quick raking with a heavy rake to break up the top surface of the soil. Then you are ready extra early to get your spring plants in.

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If you use a tiller, fall is a great time to get out and till your beds. Have you been thinking about double digging your beds? Again fall is a great time. If you trench compost in your garden, November is a great time to dig a trench and fill it with compost-able materials that can then rot all winter.

One thing to keep in mind, many of us have a lot of rain in November. If you soil is wet then DON”T work it. Digging, tilling or even heavy raking of wet soil can destroy your soil composition and ruin your soil for years to come!

Add compost

Another of the important November garden tasks is adding compost to your soil. Almost any type of soil will benefit from the addition of compost. But sometimes the addition of compost to your garden soil can temporarily rob nitrogen from the soil as the compost finishes breaking down. This can really effect the growth of plants, especially newly planted seedlings.

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I have found it is much better to add your compost in the fall, when there are no plants in your garden. This will give the soil organisms as much as 6 moths to work on whatever final break down of the compost needs to be done. If you add that compost in the fall then all those nutrients will be ready for your plants in the spring!

Remove all dead plants and debris

It’s been a long and productive summer in your garden. I get it, you worked hard all summer and the next of the November garden tasks can be tempting to put off. But you need to get out and do a final clean up of your garden. Pull out all the dead vegetables, rake up the leaves and clean up those perennial beds.

Leaving your garden full of debris and dead plants can be really problematic.

I hear people all the time say they leave their dead plants in the garden as habitat for birds and other critters in the winter. But there is a problem with that. Along with the birds, garden debris is also great cover for many garden pests, slugs, snails, grasshoppers and even aphids will take cover for the winter in the debris scattered around your garden. When spring arrives they will emerge, hungry and ready to reproduce!

It’s a far better practice to keep your garden clean and junk free over the winter months. If you are concerned about the birds then build a few bird houses and feeders for your yard.

Prune and Trim Berry Plants and other trees

November is a great time to prune many of your perennial berry bushes. Remove this years producing canes from plants like Blackberries and Raspberries. In fact depending on the variety of raspberry you may be able to cut the plants completely down.

Also go through your strawberry patch and remove weak and spent plants, clean up debris and then cover your strawberry beds with either a heavy fabric row cover or with some type of organic mulch (like straw or leaves). This November garden tasks will make for a much quicker start to your patch in the spring along with a much higher survival rate for the plants over the winter.

And don’t forget your ornamental trees and shrubs. Fall is NOT the right time to prune them heavily. But you should go around your yard and look for weak or damaged branches that may be torn off the tree by heavy winter snows. It is better for you to cut then off now than to have them break and tear off over the winter. Also look for branches that may rub against your house or roof during those long winter storms. You would be amazed at the damage a small branch, rubbing all winter against your roof can do!

Another of the November garden tasks related to both ornamental and fruit trees is to prevent winter sun scald. If you have trees that are susceptible to winter trunk damage then you should wrap those trunks in November with a white tree wrap to protect them.

Bring in all your tools

The last November garden tasks is to take a tour of your yard and garden looking for miss-placed tools and other garden supplies. 4 or 5 months of sever winter weather can really destroy garden tools.

We all do it, leave a shovel behind a tree or set a rake against a fence somewhere. Take a quick tour of your yard and just make sure you got every thing back inside your shed. That way you wont find rusted garden tools all over the yard next spring!

Finish up these last 7 November garden tasks early and then settle in for a long winters break! It’s time to find a few good gardening books to read. Even better how about a few gardening video courses to watch and learn from over the winter. The entire list of my gardening video courses are below along with some special winter discounts! Enjoy your winter!!

Year Round Gardening – $25
Vegetable Gardening Basics – $15
Seed Starting Simplified – $20
Growing tomato heaven – $10
PVC Drip Irrigation – $10

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