Rudbeckia, Wild blue indigo & Firepink

plsgrow(7A TN)March 6, 2006

March 6th and I just unearthed several paper bags of seeds that I saved from last summer. They were stored in a dry place indoors under climate controlled conditions. I really love Fire Pink (silene virginica), but worry that they should have had a cold period before I attempt to start them. Can someone/s please advise me it they need to be chilled or stratified?

Same question for black eyed susan seed(rudbekia) and

Wild blue indigo seed (Baptisia australis)

I hope to increase my planting of all three of the above.

We have only one Wild blue indigo plant that is approx. 5 years old, and I have yet to have any success with starting the seed. DH bought two white wild indigo plants at a native nursery last spring and they were in the ground less than 3 days before the voles ate off their roots. I don't have any seed from the white and we will probably try more this year, protecting them in deeply dug holes with fine mesh chicken wire cages around them.

Would appreciate any input on the proper treatment of these seeds. Thank You!!!!!

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birdgardner(NJ/ 6b)

I just planted Silene regia, which needs stratification. Rudbeckia could probably go either way. Baptisia I've always had trouble with - maybe nicking it would help?

    Bookmark   March 9, 2006 at 9:46PM
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Judy_B_ON(Ontario 5B)

All need cold, moist stratification, but Rudbeckia might germinate without. Sixty days is usually long enough so if you plant them now in seedling pots and put in the fridge, you can take them out in early May and they should be up by June.

Baptisa seeds should be gently rubbed with sandpaper before sowing.

    Bookmark   March 11, 2006 at 12:47PM
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veronicae(z6NY)

What if these seed pods were outside all winter. I discovered one seed pod on my baptisa that no creature ate, and didn't fall to the ground, although the pod was open. Can I plant these without putting them in the refrige. We had a cold winter.

    Bookmark   May 26, 2007 at 1:44PM
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ncrescue

I volunteer in a garden in which the Baptisia self sows readily any place we have not used pre-emergent. I am trying to give the seedlings to folks before someone decides to weed the area. They are from this past fall. The Silene regia I grew via winter sowing and got so many I gave containers with seedlings away. I am really hooked on that winter sowing for most of the natives...even found out that Cullina was correct in allowing the containers to remain undisturbed for more than two seasons. This year I had trilliums and three containers of Sol. seal that finally germinated. To me it is like a miracle...which is why I like native plants! Oh, Veronica, I think the stratification means AFTER the seeds are in the soil.

    Bookmark   May 26, 2007 at 9:14PM
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