Home / Guides / Plant Files / Gentianaceae

Swertia Species, Alpinebog Swertia, Felwort, Star Gentian

Swertiaperennis

Upload Image Print Article

Family

Gentianaceae (jen-shun-AY-see-ee)

Info

Genus

Swertia (SWER-tee-uh)

Info

Species

perennis (per-EN-is)

Info

Synonym

Sun Exposure

Full Sun

Sun to Partial Shade

Light Shade

Foliage

Herbaceous

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)

Danger

Unknown - Tell us

Bloom Color

Medium Blue

Bloom Time

Mid Summer

Late Summer/Early Fall

Other Details

Gardener's Notes:

Post Comment

positive

neutral

negative

Sort By:

Post Comment

Sort By:

Grasmussen

Anchorage, AK (Zone 4a) | September 2006 | positive

Star Gentian is a wild flower found in moist woodlands and sub-alpine meadows of Alaska. In cultivation it will form large, very attrac...Read More

Popular Plants

SEE ALL

Featured

BUG FILES

Sciota celtidella moth

(Sciota celtidella)

BIRD FILES

American Herring Gull

(Larus smithsonianus)

Featured

BUG FILES

Sciota celtidella moth

(Sciota celtidella)

BIRD FILES

American Herring Gull

(Larus smithsonianus)

Swertia Species, Alpinebog Swertia, Felwort, Star Gentian

Swertiaperennis

Featured Videos

Gardener's Notes:

Get to Know Dave's Garden

Follow Dave's Garden