PlantsGentiana→Mountain Bog Gentian (Gentiana calycosa)

Common names:
Give a thumbs up Rainier Pleated Gentian
Give a thumbs up Mountain Bog Gentian
Give a thumbs up Explorer's Gentian

Botanical names:
Gentiana calycosa Accepted
Pneumonanthe calycosa Synonym

General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun
Full Sun to Partial Shade
Minimum cold hardiness: Zone 2 -45.6 °C (-50 °F) to -42.8 °C (-45°F)
Maximum recommended zone: Zone 7b
Plant Height: 6 - 12 inches
Plant Spread: 6 - 12 inches
Flowers: Showy
Flower Color: Blue
Bloom Size: 1"-2"
Flower Time: Summer
Late summer or early fall


Photo gallery:
Location: Explorer's gentian (Gentiana calycosa) on Pacific Crest Trail south of Donner PassDate: 2009-08-18Photo courtesy of: Miguel Vieira
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Location: Lakes Trail, Mount Rainier National ParkPhoto courtesy of: J.Brew
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Posted by KFredenburg (Black Hills, SD - Zone 5a) on Dec 14, 2020 12:07 PM

Range: British Columbia south to the Sierra Nevada of California; east to the Rocky Mountains of Montana and Canada.

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