Caryopteris Species, Autumn Blue Spiraea, Bluebeard, California Lilac
Caryopterisincana

Family: Lamiaceae (lay-mee-AY-see-ee)
Genus: Caryopteris (kar-ee-OP-ter-iss)
Species: incana (in-KAN-nuh)

Synonym:Nepeta incana

Category
Shrubs

Water Requirements
Average Water Needs; Water regularly; do not overwater

Sun Exposure
Full Sun

Foliage
Deciduous
Herbaceous

Foliage Color
Blue-Green

Height
36-48 in. (90-120 cm)

Spacing
4-6 ft. (1.2-1.8 m)

Hardiness
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)
USDA Zone 9b: to -3.8 °C (25 °F)

Where to Grow

Danger

Bloom Color
Dark Blue

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

Bloom Size

Bloom Time
Mid Spring
Late Spring/Early Summer
Mid Summer

Other details

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

Propagation Methods
From semi-hardwood cuttings
From hardwood cuttings
By simple layering
By air layering

Seed Collecting
Collect seedhead/pod when flowers fade; allow to dry
Allow pods to dry on plant; break open to collect seeds