A Nest for All Seasons A Nest for All Seasons: Which seeds are ok for winter sowing? | Chapter 2

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15 January 2011

Which seeds are ok for winter sowing? | Chapter 2

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Did you miss Chapter 1?  It is RIGHT HERE!

When a seed packet says the seeds need pre-chilling or "stratification", that is a good sign that they will do well under winter sowing conditions.  The process or chilling and soaking that gardeners do indoors is completed by the natural thawing and freezing outdoors (the way nature does it!).   Sweet peas are a good example of this kind of seed.



Another good sign that your seeds are good candidates for winter sowing is if the seed packet mentions the seed "self-sowing" or colonizing.  This means the plant naturally drops its seeds in fall and will sprout in the spring easily.  Coneflowers, cosmos and poppies are good examples of this kind of seed.


Poppy seeds are teensy tiny, so when I work with tiny seeds like this, I gently lay them out on a plate, 
use my finger to pick them up and simply drop it onto the soil.
This poppy seed is so tiny the camera can't focus on it :)
Rub your fingers together gently to drop seed into the soil.  Yes, my hands are that white...
Gently press the soil down.  Do not bury tiny seeds like poppies...just press them barely into the soil.
Label your rows and move on to the next one!

If you are sowing seeds that are a little larger, such as nasturtiums, the process is a little bit different.

See how thick that outer layer is?  That means this seed need to freeze and thaw multiple times to break it open.  This will happen outside in your wintersown containers naturally!

When you have larger seeds, you have to plant them a little deeper, so use your finger, an unsharpened pencil or a dipper to make an indentation into the soil, place the seed in and then cover the seed with soil.  It's not really that scientific.  If you want to, you can just place the seed on top of the soil, give it a good push a 1/2 inch or so into the soil and brush soil back over the top.  



I label my flats by vertical row (see above!), but one of the most important things I do while winter sowing is to make a very simple cheat sheet to remember what is what.  I also sow seeds in groups based on whether I know what the seedlings look like.  For example, I know nasturtium have distinctive lily pad-like leaves.  When they pop up, I know exactly what they are and also have a separation between two other plants that look more similar when they first emerge (poppies and hollyhock).  


Now comes the fun part (for me at least!).  Take that tray outside and plop it down in the snow.  
You will feel like you are insane and killing all your seedies, but you aren't...relax!

Toss some snow right on top.  Gently.

After you have the whole thing covered in snow, place your top on.  My flat came with a clear lid, but plastic wrap will work as long as you are careful.  Make sure you put holes in the top to vent and when seedlings emerge, slowly remove the plastic.  My biggest problem with winter sowing is that I cook the seedlings by not providing enough air circulation.  This year I gave my seedies generous vents.  


Does all that snow scare you?  It shouldn't.  That's the way seeds sleep in the natural world.  Under a nice bed of snow.  They will freeze and then thaw with a nice long watering from that snow.  Once it warms up enough, the seeds will know exactly when to germinate and you have saved yourself 2 square feet of window space in your home!  

I weighted my flat down with those jars...it's quite windy up on the porch and I don't want everything blowing down the street.  I also placed my flat where I can see it from the window.  1.  I need to remember my seedies.  2.  I want to see the tiny bits of green as soon as they appear in spring!

For your further information, other phrases that are good signs for winter sowing include:  "can be direct sown early"  "sow outdoors early in Spring" and "can withstand frost".

Here is the list of what I will be winter sowing this year:

Sweet Pea - Winston Churchill
Sweet Pea - Everlasting

Poppy - Shirley
Poppy - White Linen
Poppy - Flemish Antique
Poppy - Lavender
Poppy  - Grape Lauren

Hollyhock - The Watchman
Hollyhock - Indian Spring
Hollyhock - Peaches and Dreams

Nasturium - Peach Melba (This has had mixed winter sowing success)

Sunflower - Lemon Queen
Sunflower - Italian White

Nigella - Love in a Mist

Dill-dukat

Lemon Balm

HERE is an expansive list of what others have been able to winter sow in my Zone 6.  You can check out your zone there as well.

The absolute experts on winter sowing live at wintersown.org.  Visit them if you have any questions HERE!

Just in case you were wondering...this is what a hollyhock seed looks like :)



THANKS to BECKY for guest hosting this set of winter sowing articles!

2 COMMENTS:

msposhb Tuesday, January 18, 2011  

That is really cool!

Stopping by from the Tuesday Hops to say hello and follow.
I would love a visit from you.
Have a great day!
http://poshonabudget.com/2010/12/happy-tuesday-all.html

Hanna Tuesday, January 18, 2011  

Hi there! I am your newest follower from the blog hop! Lovely blog:) You can find me at www.bouffeebambini.blogspot.com
I have some gorgeous handmade giveaways so take a peek if you come by:)

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