Name: josephine Arlington, Texas (Zone 8a) Hi Everybody!! Let us talk native.
I really don't know how cold hardy this plant would be, but I think it could be grown as an annual in cold climates.
Unfortunately wildflowers are not very much promoted by nurseries because they may be difficult to grow and not profitable for them.
Wildflowers are the Smiles of Nature.
Gardening with Texas Native Plants and Wildflowers.