Family: Lamiaceae (lay-mee-AY-see-ee) (Info)
Genus: Dracocephalum (dray-koh-SEF-uh-lum) (Info)
Species: ruyschiana (ru-ee-schee-AH-na) (Info)
Synonym:Dracocephalum ruyschianum
 One vendor has this plant for sale.
One member has or wants this plant for trade. Category:
Alpines and Rock Gardens
Height:
18-24 in. (45-60 cm)
Spacing:
12-15 in. (30-38 cm)
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)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
Sun Exposure:
Full Sun
Sun to Partial Shade
Danger:
Unknown - Tell us
Bloom Color:
Medium Blue
Bloom Time:
Mid Summer
Late Summer/Early Fall
Foliage:
Deciduous
Herbaceous
Other details:
Drought-tolerant; suitable for xeriscaping
Soil pH requirements:
Unknown - Tell us
Patent Information:
Unknown - Tell us
Propagation Methods:
From herbaceous stem cuttings
From seed; stratify if sowing indoors
From seed; sow indoors before last frost
Seed Collecting:
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored
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