I have the following Pycnanthemum verticillatum var.pilosum (Hairy Mountain Mint) from WSing: I got more than I can use. They are about 4 to 6 inches. Check out my seed/plant exchange list. or e-mail me. if interested.

As you have heard before, damper is relative...and the more barren areas it grows in nature, have good drainage, usually a slope. And....damp in Arkansas or Oklahoma is a lot different than damp in the NE. I'd suggest well-drained in your area.

I've found it to be an aggressive spreader and pollinators go crazy over it. Planted about 10 quarts two springs ago for a neighbor and it filled in a large area. Have since took a few transplants from that for use in other yards.

I have a large patch of Pycnanthemum muticum that I grew from seed, it spreads but is easy to pull up and put elsewhere, I believe it is deer resistant, but do take care where you put it, my patch borders a walkway and is covered with bees & wasps of all types and sizes, from early summer until it freezes, the stems tend to fall over late in the season. I brush against it all day and it smells wonderful, but though I have never been stung I do worry a bit. You will be amazed by the types and varieties of buzzing going on around you. It should work perfect in morning sun afternoon shade.