Frasera Species, American Columbo, Carolina Gentian, Yellow Gentian

Fraseracarolinensis

Family
Gentianaceae (jen-shun-AY-see-ee)
Genus
Frasera (FRAY-zer-uh)
Species
carolinensis (kair-oh-lin-EN-sis)
Synonym
Frasera caroliniensis
Frasera officinalis
Swertia caroliniensis
Sun Exposure
Height
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 m)
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)
Bloom Color
Lavender
Medium Purple
Bloom Time
Late Spring/Early Summer
Mid Summer
Other Details
Category
Biennials
Herbs
Water Requirements
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
Patent Information
Propagation Methods
Seed Collecting
Regional

This plant is said to grow outdoors in the following regions:

Birmingham, Alabama

Wallingford, Kentucky

Dittmer, Missouri

Franklin, North Carolina

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Gardener's Notes:

5
positives
1
neutral
0
negative
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J
Toronto, ON (Zone 6a) | May 2018 | neutral

It is the first time to grow this. Seeds germination the best are in dark and cool/cold for the 2 months plus "winter period" (could be ...Read More

T
T
Birmingham, AL (Zone 8a) | September 2017 | positive

The research on this species notes that cultivation from seed requires seeds being harvested from recently ripened pods. Seed allowed to ...Read More

L
Franklin, NC | May 2013 | positive

It took about a month to finally identify this plant. I have hundreds of them growing in the woods behind my house in Franklin, NC. I'v...Read More

W
Wallingford, KY | June 2010 | positive

I first noted this plant years ago and also noted that it only bloomed every 6-9 years. It is on a NW facing slope and only grows in one...Read More

A
Franklin, NC (Zone 6b) | June 2008 | positive

I found this wildflower growing on a NE facing slope that had been cleared by the local power company. At over seven feet tall with shiny...Read More

T
Piedmont, MO (Zone 6a) | September 2004 | positive

This is a Missouri native woodland plant. It forms large colonies by underground runners. The plants exist as basal rosettes of leaves ...Read More

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