Hardiness Zone: 4-9

Height: 2-3 ft.

Spread: 1.5 – 2.5 ft.

Bloom Time: May- July

Bloom Color: Deep blue to rose blue

Sun: Full Sun to part shade

Soil: Prefers moist, acidic, sandy soil but adapts to other soil types

Type: Herbaceous perennial

Benefit: Attracts birds and hummingbirds will grow under black walnut tree, it is also an interesting and long-blooming perennial for the border, naturalized area, meadow or open spaces of the woodland garden.