Verbena Species, Hoary Vervain, Tall Vervain, Woolly Verbena
Verbenastricta

Synonym:Verbena alopecurus

Synonym:Verbena cuneifolia

Synonym:Verbena mollis

Synonym:Verbena rigens

Category
Perennials

Water Requirements

Sun Exposure
Full Sun

Foliage
Herbaceous

Foliage Color

Height
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)

Spacing
15-18 in. (38-45 cm)
18-24 in. (45-60 cm)

Hardiness
USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)

Where to Grow

Danger
Parts of plant are poisonous if ingested

Bloom Color
Medium Purple

Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds

Bloom Size

Bloom Time
Mid Summer
Late Summer/Early Fall

Other details

Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information
Non-patented

Propagation Methods
From seed; direct sow outdoors in fall
From seed; stratify if sowing indoors

Seed Collecting
Collect seedhead/pod when flowers fade; allow to dry