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Are these suitable?

12 years ago

I was surprised to find a few seeds not listed in the FAQ's suggested lists, but I would certainly think I could winter sow them here - I am right on the border between zones 7 and 8, according to the Arbor Day Foundation map. They are:

Asclepias syriaca (Common milkweed)

Agastache foeniculum (Anise hyssop)

Penstemon calycosus (Calico beardtongue)

Helichrysum (Strawflower)

Also, how about the common zinnias, such as "Candy Cane" and "Pinwheel"?

Comments (4)

donn_
12 years ago
They're all fine.
ladyrose65
12 years ago
Strawflower is an annual. I would do this in March or April. They come up really fast.
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leisa_in_md
12 years ago
I second the strawflower suggestion. I WS early the first time and they all died from a random heavy frost. Last year I waited until May, I think, and they all lived.

WAIT on zinias. They too grow really fast and will die if you get a frost. I've killed many that way :) So wait to sow until close to your last frost. They grow quickly, and at least here in Z6 will bloom until first frost.
madabouteu
Original Author
12 years ago
Thanks for the advice - I will wait until April to sow Strawflower and Zinnia seeds, and I think I will wait about sunflowers also even though they are on the list! These are hybrids, so they may not be as hardy.

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