Wildflower Archive

woodland wildflower

Downy gentian

Gentiana puberulenta

Downy gentian (Gentiana puberulenta)1 of 2
Gentiana puberulenta

Native to the Midwest, the Great Plains, and the Southeast and southern Canada

Western New York to Wisconsin and Manitoba, south to Tennessee, Arkansas and Kansas

  • Light Full sun to part shade Sun tolerance
  • Moisture Dry Moisture preference
  • Zones 3–8 Cold to heat range
  • Bloom Aug–Oct Flowering time
  • Height up to 2 ft to 0.6 m
  • Life cycle Perennial Annual to perennial
Full details, see below

In the garden

A woodland wildflower for full sun to part shade and lean, dry soil. At up to 2 ft, it suits shade gardens and woodland edges. Hardy in USDA zones 3–8.

Growing conditions

Light
Full sun Partial shade Full shade
Moisture
Dry Moist Wet

Hardiness zones

Find your zone:

Pollinators & wildlife

  • Bees Common Eastern Bumble Bee
    also American Bumble Bee, Half-black Bumble Bee, Golden-tailed Leafcutter Bee +12 more ground cherry sweat bee, Thistle Longhorn-Cuckoo, Lasioglossum cinctipes, Triepeolus cressonii, Illinois Sweat Bee, Variable Cuckoo Bumble Bee, Illinois Cuckoo Sweat Bee, white-winged sweat bee, Pseudopanurgus labrosus, Colletes productus, Eastern Cuckoo Sweat Bee, Xenoglossa strenua
  • Flower flies Dusky-banded Leafwalker
    also Volucella bombylans, Scar-horned Blacklet, Epistrophe emarginata +2 more Two-spotted Leafwalker, Eastern Orange-tailed Leafwalker
  • Butterflies Viceroy also Thecla edwardsi

Butterflies that use this plant

Documented host and nectar records. Each links to a planting guide for that butterfly.

Full plant details

Where it grows

Habitat
WoodlandThe wild plant community it grows in.
Native range
The Midwest, the Great Plains, and the Southeast and southern CanadaUnited States (16): AR, IA, IL, IN, KS, KY, MI, MN, MO, ND, NE, NY, OH, SD, TN, WI. Canada (1): ON. Where it grows wild on its own, by state and province.
Native distribution
Western New York to Wisconsin and Manitoba, south to Tennessee, Arkansas and KansasThe same native range, usually more exact than the state list, and often noting where it has spread beyond it.

Growing conditions

Light
Full sun to part shadeHow much sun it takes, from full sun to full shade.
Moisture
DryThe soil dampness it prefers, from dry to wet.
Hardiness zones
USDA 3–8 · Canadian 4–7The cold-to-heat climate range it survives.
Soil
Calcareous soilsThe soils it grows in naturally.
Soil texture
Light to heavy (sandy to clay)The soil grade it prefers, from sand to clay.
Soil pH
Mildly acid to mildly alkalineThe acidity to alkalinity it tolerates (7 is neutral).

Growth & form

Height
up to 2 ft (to 0.6 m)Typical mature height.
Life cycle
PerennialWhether it lives a single season (annual), two (biennial), or returns for years (perennial).

Flowers, foliage & fruit

Type
WildflowerWhat kind of plant it is.
Bloom
Aug–OctWhen it flowers.
Flower color
Blue, PurpleThe bloom color, or colors.
Toxicity
None knownWhether any part is poisonous to people or pets.