University of Wisconsin-Madison | Botany Plant Growth Facilities


Botanical Garden

 

 

 

 

 

 

 

 

 

   Home

Introduction 

 History

  Plants Data 

Classification 

  Garden Arts

 Garden Photos

 Credits

 Become a Friend 

 A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

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.