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PlantFiles: Star Gentian
Swertia perennis

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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

Click thumbnail
to view:

By Grasmussen
Thumbnail #1 of Swertia perennis by Grasmussen

By Grasmussen
Thumbnail #2 of Swertia perennis by Grasmussen

By Grasmussen
Thumbnail #3 of Swertia perennis by Grasmussen

Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive Grasmussen On Sep 28, 2006, Grasmussen from Anchorage, AK (Zone 4a) wrote:

Star Gentian is a wild flower found in moist woodlands and sub-alpine meadows of Alaska. In cultivation it will form large, very attractive clumps. It would be a desirable addition to any Northern garden.

Regional...

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

Anchorage, Alaska



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