That is a beautiful picture, Sandy. So summery!
There are a lot of Baptisias listed (and for sale) at Mamajack's co-op from Northcreek Nursery. These are plugs, so will be very young plants, but for $2+ it's hard to beat the opportunity to try something new. Check them out at this thread
http://cubits.org/notfortheser...
It's a long thread, but ask questions if needed. They don't bite.