Physostegia Species, False Dragonhead, Purple Dragonhead
Physostegiapurpurea

Family: Lamiaceae (lay-mee-AY-see-ee)
Genus: Physostegia (fy-so-STEEJ-ee-uh)
Species: purpurea (pur-PUR-ee-uh)

Synonym:Dracocephalum obovatum

Synonym:Dracocephalum purpureum

Synonym:Physostegia obovata

Synonym:Physostegia virginiana var. obovata

Synonym:Prasium purpureum

Category
Perennials

Water Requirements
Requires consistently moist soil; do not let dry out between waterings

Sun Exposure
Sun to Partial Shade

Foliage
Herbaceous

Foliage Color

Height
24-36 in. (60-90 cm)

Spacing
12-15 in. (30-38 cm)

Hardiness
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)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °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 Summer/Early Fall
Mid Fall

Other details

Soil pH requirements

Patent Information

Propagation Methods
By dividing the rootball
From herbaceous stem cuttings
From seed; direct sow outdoors in fall

Seed Collecting