Bloomipedia
Bottle gentian (Gentiana clausa)
Photo: Laura J. Costello via iNaturalist · CC BY 4.0 · resized

Flower profile

Bottle gentian

Gentiana clausa

Native to New Hampshire

Bottle gentian is a wildflower that USDA PLANTS lists as native in the lower 48 states. In New Hampshire it's most often seen in bloom in August–October.

15states
281NH sightings*
2,201U.S. sightings*

*iNaturalist research-grade observations, as of October 17, 2026.

On our lists for: New Hampshire

Quick look

Gentiana clausa, one of several plants with the common name "bottle gentian", is a 1'–2' tall flowering plant in the Gentianaceae family. It is native to Eastern North American moist meadows and woods at higher elevations, from Quebec in the north, through the Appalachian range to North Carolina and Tennessee in the south.

  • It belongs to the Gentianaceae family. iNaturalist
  • USDA PLANTS describes it as an herb (forb) with a perennial life cycle. USDA PLANTS
  • USDA PLANTS lists it as native in the lower 48 states and records it in 15 states. USDA PLANTS
  • NatureServe lists it as native to New Hampshire. NatureServe
  • In New Hampshire, most iNaturalist sightings of it in flower come in August–October. iNaturalist
  • USDA PLANTS lists its flower color as purple. USDA PLANTS
  • USDA PLANTS gives its bloom period as late summer. USDA PLANTS
  • USDA PLANTS lists a mature height of about 1.5 ft. USDA PLANTS
  • iNaturalist has 281 research-grade sightings of it in New Hampshire, ranking #95 among the 109 flowers on our New Hampshire list. iNaturalist

Bottle gentian gift ideas

Handmade bottle gentian gifts from independent makers.

When does it bloom?

In New Hampshire, most flowering sightings come in August–October.

Flowering records by month in New Hampshire (iNaturalist research-grade observations marked “Flowering”) (99 records)

Conservation status

Federal (U.S. ESA)
Not listed No U.S. Endangered Species Act listing in the USFWS ECOS database. USFWS ECOS
NatureServe global
G5 Secure worldwide. NatureServe
New Hampshire
Not listed Not on New Hampshire Official Rare Plants List (Ncr 312, eff. Jan 1, 2020). NatureServe: SNR, not yet ranked in New Hampshire. NH Ncr 312
Rare elsewhere
Other states where NatureServe ranks it rare or missing: RI (S2). (S1 critically imperiled, S2 imperiled, SH possibly extirpated, SX presumed extirpated.)

Checked October 17, 2026. Rankings and lists can change, so follow the links for the latest.

Can you eat it?

For peopleNot well documented

None of the sources we checked (NC State Extension (no page for this plant), USDA PLANTS) say whether it's edible or poisonous for people.

For petsNot well documented

It isn't on the ASPCA plant list.

🌿 Never eat a wild plant unless you're certain of its ID; this isn't medical advice. Worried about a person? Call Poison Control at 1-800-222-1222. Worried about a pet? Call your vet.

Where does it grow?

USDA PLANTS records bottle gentian in 15 states plus Washington, D.C.

recorded by USDA PLANTS on our state lists not recorded

See the full list of states

Connecticut, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, North Carolina, Ohio, Pennsylvania, Rhode Island, Tennessee, Vermont, Virginia, West Virginia; District of Columbia.

More New Hampshire flowers

Sources