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Re: native prairie plants
  • Subject: Re: native prairie plants
  • From: Catharine Carpenter <cathycrc@comcast.net>
  • Date: Sun, 16 May 2010 20:52:07 -0500

No. I have had mine for 5 -6 years, and have yet to see any spread at all. As for Ironweed, I think it would depend what part of the country you are from - there are eastern and prairie species. The ones I am familiar with are 4+ feet tall with 2 ft spread, and purple flowers.
Cathy, west central IL, z5b

On May 16, 2010, at 3:36 PM, Kitty wrote:

I picked up a couple of plants at a local nursery. Prairie Smoke, Geum triflorum, I was vaguely familiar with because I remember Donna talking about starting it in a greenhouse several years ago. Pretty thing. I note that it spreads by rhizomes - is it a fast spreader?

The other one was in a small pot and labeled Ironweed. Though I know that it is a Vernonia, I don't know which species. Can anyone tell me which species would MOST commonly use the name Ironweed? I'd like to get some idea of ultimate size before planting it.
neIN, Zone 5
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