Seed stratification

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jlscrug Oxford, GA(Zone 7b) Oct 25, 2007

Hi,
Does anyone know if the following seeds need stratification? I have collected the seeds now and need to know if I should leave them under the house's crawlspace for the winter, put them in the freezer, or just leave them inside on the shelf till' spring.

-Gaillardia

-Rudbeckia

-Echinacea

-Shasta daisy


Thanks!

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ginnylynn Blyth, ON(Zone 5b) Oct 25, 2007

Hi jlscrug. I can't really answer your question about what the actual requirements are, but I can tell you what I've always done - for everything except the Gaillardia which I've never tried.

I have always winter sowed Rudbeckia, Echinacea, and Shasta Daisy. I sow them into containers in December or January and put them outside to get covered in snow for the winter. I have always had good luck using this method, so yes, I stratify those seeds. Here's a link to the winter sowing forum for lots more info: http://davesgarden.com/community/forums/f/coldsow/all/

--Ginny

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jlscrug Oxford, GA(Zone 7b) Oct 25, 2007

Thanks!

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shune Burien, WA(Zone 7b) Oct 26, 2007

Ginny, does this work without the snow? We get small amounts of snow and it doesn't stick around. We do get freezes sometimes.

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ginnylynn Blyth, ON(Zone 5b) Oct 27, 2007

You're welcome jlscrug :-)

Hi shune. Yes, it works without snow too. The only difference would be that you would need to monitor moisture levels carefully. The snow cover in more northern climates keeps the moisture inside the containers, and the periodic melts keep it that way. I would recommend that you check out the Winter Sowing forum through my link above for more information. There are many people on that forum who live in your zone that I'm sure would be more than happy to answer your questions.

Happy gardening!

--Ginny

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