FYI, I shared this on the monthly butterfly thread over in the best forum ever - the Butterflies, Birds, and Bees Forum! I am biased, as I moderate that forum.
But I think you might get some interest from those folks. Thanks for offering milkweed seeds! We all need to do our part to help the Monarchs. I see that species isn't native to my area, so I'll stick to my native varieties. For those wondering where A. sullivantii is native to, check out the USDA map:
http://plants.usda.gov/core/pr...