
Flower profile
Mountain bog gentian
Gentiana calycosa
Mountain bog gentian is a wildflower that USDA PLANTS lists as native in the lower 48 states. In Montana it's most often seen in bloom in July–September.
*iNaturalist research-grade observations, as of October 17, 2026.
On our lists for: Montana
Quick look
Gentiana calycosa is a species of flowering plant in the family Gentianaceae. It is a herbaceous perennial gentian known by the common names explorer's gentian, Rainier pleated gentian, and mountain bog gentian.
- 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 8 states. USDA PLANTS
- NatureServe lists it as native to Montana. NatureServe
- In Montana, most iNaturalist sightings of it in flower come in July–September. iNaturalist
- USDA PLANTS lists its flower color as blue. USDA PLANTS
- USDA PLANTS gives its bloom period as late summer. USDA PLANTS
- USDA PLANTS lists a mature height of about 0.6 ft. USDA PLANTS
- iNaturalist has 646 research-grade sightings of it in Montana, ranking #66 among the 109 flowers on our Montana list. iNaturalist
Mountain bog gentian gift ideas
Handmade mountain bog gentian gifts from independent makers.
🌱 Sample spot. Handmade gift picks from independent shops will appear here once our shop partnership is approved. These cards are placeholders, not real products.
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Mountain bog gentian art print
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Mountain bog gentian greeting card
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Mountain bog gentian mug
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Mountain bog gentian earrings
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Mountain bog gentian embroidery pattern
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Mountain bog gentian sticker
When does it bloom?
In Montana, most flowering sightings come in July–September.
Conservation status
- Federal (U.S. ESA)
- Not listed No U.S. Endangered Species Act listing in the USFWS ECOS database. USFWS ECOS
- NatureServe global
- GNR Not yet ranked worldwide. NatureServe
- Montana
- No list Montana has no state law listing endangered or threatened plants, so we show NatureServe's Montana ranks instead. NatureServe: S4, apparently secure in Montana.
- Rare elsewhere
- No other U.S. state ranks it S1, S2, SH or SX.
Checked October 17, 2026. Rankings and lists can change, so follow the links for the latest.
Can you eat it?
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.
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 mountain bog gentian in 8 states.
recorded by USDA PLANTS on our state lists not recorded
See the full list of states
California, Idaho, Montana, Nevada, Oregon, Utah, Washington, Wyoming.
Montana counties with USDA records: Beaverhead, Flathead, Gallatin, Glacier, Lewis and Clark, Missoula, Park, Powell, Ravalli, Teton.
More Montana flowers
Sources
- USDA, NRCS. PLANTS Database, profile GECA.
- iNaturalist, Gentiana calycosa: taxonomy, research-grade observation counts and “Flowering” annotations, retrieved October 17, 2026.
- Wikipedia, Gentiana calycosa (lead quoted under CC BY-SA 4.0).
- Montana: Montana noxious weed list (Admin. R. Mont. 4.5.206–4.5.210).
- USFWS, ECOS species database (ESA listing check), October 17, 2026.
- NatureServe Explorer, Gentiana calycosa (global and state ranks).
- Edibility and toxicity: no source found (marked "not well documented").
- Photo: Tom Field via iNaturalist · CC BY 4.0 · resized.


