Family: Gentianaceae (jen-shun-AY-see-ee) (Info)
Genus: Swertia (SWER-tee-uh) (Info)
Species: perennis (per-EN-is) (Info)
Category:
Alpines and Rock Gardens
Perennials
Height:
6-12 in. (15-30 cm)
12-18 in. (30-45 cm)
Spacing:
Unknown - Tell us
Hardiness:
USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
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)
Sun Exposure:
Full Sun
Sun to Partial Shade
Light Shade
Danger:
Unknown - Tell us
Bloom Color:
Dark Blue
Bloom Time:
Mid Summer
Late Summer/Early Fall
Foliage:
Herbaceous
Other details:
Unknown - Tell us
Soil pH requirements:
Unknown - Tell us
Patent Information:
Unknown - Tell us
Propagation Methods:
Unknown - Tell us
Seed Collecting:
Collect seedhead/pod when flowers fade; allow to dry
Allow pods to dry on plant; break open to collect seeds
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