Genus: Verbena
Species: hastata
Common Name: Blue Vervain
Family: Verbenaceae
Order: Lamiales
Native: Brithish Columbia to Nova Scotia, south to California,
Arizona and Florida
Habit: Herbaceous Perennial
Height: 2 to 6 feet
Width: 1.5 to 2.5 feet
Flowering Season: Summer to Fall
Flower Color: Blue
Propagation: Seed
Zone: 3-8
Note: Blue Vervain is suitable for wet areas of meadows,
borders, prairies, or informal gardens. Monitor plant for powdery mildew,
thrips and whiteflies. Prefers sunny, moderately dry, well-drained, ordinary
garden soil.