Family: Polemoniaceae (po-le-moH-nee-AY-see-ee) (Info)
Genus: Polemonium (po-le-MOH-nee-um) (Info)
Species: yezoense (yez-oh-EN-see) (Info)
 2 vendors have this plant for sale.
Category:
Perennials
Height:
18-24 in. (45-60 cm)
Spacing:
18-24 in. (45-60 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:
Sun to Partial Shade
Danger:
Unknown - Tell us
Bloom Color:
Blue-Violet
Bloom Time:
Mid Spring
Late Spring/Early Summer
Mid Summer
Foliage:
Grown for foliage
Bronze-Green
Good Fall Color
Other details:
Requires consistently moist soil; do not let dry out between waterings
Soil pH requirements:
Unknown - Tell us
Propagation Methods:
By dividing the rootball
Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
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