Just wondering about something.....

dspen(5b/6a)June 17, 2014

Hi, this was my first year winter sowing and it worked beautifully. I was able to plant lots of nice plants.

My question is can I plant in jugs now, put them in the freezer for a few weeks and them take them out have them sprout and still be able to plant decent sized plants by this fall. Or will the season not be long enough to establish the roots.

I am mainly interested in poppies.

Any comments?


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Do poppies need a cold stratification? If so, I don't know why it wouldn't work. I winter sow poppies every year and they always germinate. I find the oriental ones won't bloom for a couple of years though.

    Bookmark   June 17, 2014 at 4:12PM
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morz8(Washington Coast Z8b)

Most poppies don't need any cold stratification to germinate, but several will germinate best at between 65-70F....what are your temps doing there, because too warm can delay germination just like too cold might.

(As for the freezer and using it to stratify seeds, very few seeds require actual freezing, when the soil is frozen things are more 'on hold' until not quite so cold. Your refrigerator is plenty cold enough. There is also an issue with some seeds when they are given an abrupt temp change, like plunging them moist into 0 degrees, instead of the cold coming on them over a number of hours. That abrupt plunge can sometimes damage, shatter the embryo of a moist seed.)

What kind of poppies, which are you asking about....

    Bookmark   June 18, 2014 at 12:34PM
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Not sure exactly what kinds of poppies....mostly regular seeds you can get easily in the stores.

I am in zone 5b and this week we had 80's and 50/60s at night.

I did go ahead and plant a few seeds and did not freeze them nor put in the refrigerator. Just in regular cell packs and are keeping them with other things I am trying to nurse along.

I caught the winter sowing bug and love to see the new sprouts of life :)

Thanks to all of you for this great informative forum.


    Bookmark   June 19, 2014 at 7:47AM
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