how long cold period do columbine seeds need?

njmomma(z6 NJ)June 10, 2010

I was thinking of putting them in the fridge for a month and then starting them indoors and planting them outside in Sept. as babies. I think I'd have a better success rate doing it this way then directly sowing outside.

Is one month enough of a cold period for the seeds?

They are in envelopes right now.

thanks!

Natanya

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susan2010(6 Massachusetts)

I started mine without pre-chilling. The germinated fine and transplanted well. YMMV, of course.

    Bookmark   June 10, 2010 at 12:29PM
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morz8(Washington Coast Z8b)

Natanya, there are many columbine/aquilegia, do you know which you have? They have different germination requirements, some will germinate after a chill of a couple of weeks, some with no chill and can take anywhere from 2-4 weeks to several months to germinate at room temp, others need many months at approx 40F.

And the chill (if needed) has to be moist to do any good. Dry in the refrigerator is just storage - a chill to stratify must be done moist.

    Bookmark   June 10, 2010 at 9:14PM
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