Bottle Gentian

Gentiana clausa

Native to:
Canada, United States, Virgin Islands

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Gentianaceae
Genus:
Gentiana
Species:
Gentiana clausa
USDA Symbol:
GECL

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
90 cm
Drought Tolerance:
Low
Bloom Months:
aug,sep,oct
Bloom Colors:
blue, purple

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★★☆☆☆ Documented Lepidoptera association (GBIF)

Reported Fauna Sightings

Bees: Common eastern (Bombus impatiens), Northern amber bumble bee (Bombus borealis)

Garden & Ecology Notes

Wildlife Value:
bees, butterflies
Deer Resistant:
Yes

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–90 days
Germination Time:
30–60 days
Notes:
Seeds require cold stratification for 2-3 months; germination occurs in spring.

Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Cold-moist stratification for 60 days.

Source: Claude AI

ORGHPS Germination Guide: Expose to fluctuation outdoor winter temperatures including freezing for 3 months. Gradually increase light and temperature in the spring. * avoid pricking out individually, transplant seedlings in clumps

Source: Ontario Rock Garden & Hardy Plant Society

Where to Buy

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