More info about our plant sizes.
Please email us to confirm at-nursery availability of plants that are too big to ship.
Substantial leaves mound beneath two-foot tall branching stems with blue-violet and white spikes—a Piet Oudolf (Dutchman of garden design fame) introduction. It makes a broad, robust mound thickly arrayed with flowers in summer. Make a hummer happy today.
Minimum temperature: -20° F