Lavender Culver's Root
Zone 4 - 8
A native plant similar to Veronica spicata but on a much grander scale.  Forms a large clump bearing big, dramatic, lavender-purple flowerspikes in July and August.  Very tough and long-lasting.  Easy to grow in sun to part shade in moist soil.  Valuable late summer flower.  Wonderful with ornamental grasses.  HEIGHT:  120-150 cm   SPREAD:   80-100 cm
1 gallon container size
Image courtesy of North Creek Nurseries