Verbena Species, Rough Verbena, Upright Verbena, Tuberous Vervain
Verbenarigida

Synonym:Verbena scaberrima

Synonym:Verbena venosa

Category
Groundcovers
Perennials

Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater

Sun Exposure
Full Sun
Sun to Partial Shade

Foliage
Evergreen
Herbaceous
Succulent

Foliage Color

Height
6-12 in. (15-30 cm)
12-18 in. (30-45 cm)

Spacing
6-9 in. (15-22 cm)
9-12 in. (22-30 cm)

Hardiness
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

Bloom Color
Medium Purple

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

Bloom Size

Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Mid Fall

Other details
May be a noxious weed or invasive

Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information
Non-patented

Propagation Methods
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From herbaceous stem cuttings

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