Northern Dragonhead, Siberian Dragon's Head
Dracocephalum ruyschiana 'Blue Dragon'

Family: Lamiaceae (lay-mee-AY-see-ee) (Info)
Genus: Dracocephalum (dray-koh-SEF-uh-lum) (Info)
Species: ruyschiana (ru-ee-schee-AH-na) (Info)
Cultivar: Blue Dragon

Category:

Alpines and Rock Gardens

Groundcovers

Perennials

Foliage Color:

Unknown - Tell us

Bloom Characteristics:

Unknown - Tell us

Water Requirements:

Drought-tolerant; suitable for xeriscaping

Average Water Needs; Water regularly; do not overwater

Where to Grow:

Unknown - Tell us

Height:

6-12 in. (15-30 cm)

Spacing:

Unknown - Tell us

Hardiness:

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)

Sun Exposure:

Full Sun

Sun to Partial Shade

Light Shade

Partial to Full Shade

Danger:

Unknown - Tell us

Bloom Color:

Medium Blue

Dark Blue

Blue-Violet

Bloom Time:

Late Spring/Early Summer

Mid Summer

Late Summer/Early Fall

Mid Fall

Foliage:

Evergreen

Provides winter interest

This plant is resistant to deer

Other details:

Unknown - Tell us

Soil pH requirements:

Unknown - Tell us

Patent Information:

Unknown - Tell us

Propagation Methods:

Unknown - Tell us

Seed Collecting:

Unknown - Tell us

Regional

This plant has been said to grow in the following regions:

Norristown, Pennsylvania

Wilkes Barre, Pennsylvania

Gardeners' Notes:

No details have been posted.