Gentianaceae
Gentiana andrewsii var. andrewsii
Gentiana andrewsii var. andrewsii var. andrewsii
Also known as Gentiana alba var. pauciflora, Gentiana andrewsii f. albiflora, Dasystephana andrewsii f. albiflora, Gentiana andrewsii var. linearis
Flowering Plants · Native Plants · Gentian · Bottle Gentian · Native Perennial · Blue Flowers · Fall Bloomer · Woodland · Moist Soil · Pollinator · Gentianaceae · Rain Garden
Bottle gentian is a stunning native perennial known for its unique deep blue to violet closed flowers that appear in late summer and fall. It requires consistently moist, humus-rich, well-drained soil and partial shade, making it ideal for rain gardens, woodland edges, or streamside plantings. This species can be finicky to establish but is highly rewarding for experienced gardeners seeking a dramatic, pollinator-friendly fall bloomer.
Growing conditions
The details behind the basics
- Daily light
- 4 hours
- Watering
- Keep soil consistently moist but well-drained; never allow to dry out completely · Every 5-7 days
- Maintenance
- High
- Soil
- loam
- Soil pH
- 5.8–7.2
- Temperature
- -20°F to 90°F
- Cycle
- Perennial
Hardiness
USDA 5a-9b
Form & growth
Mature size and habit
- Mature height
- 18 in – 3 ft
- Spread
- 2 ft
- Spacing
- 12 in apart
- Growth rate
- Moderate
- Root depth
- Medium
- Flowers
- Purple
- Foliage
- Green · Fine
Ecology & origin
Where it belongs and what it brings
- Native to
- Colorado, Connecticut, Delaware, Illinois, Indiana, Iowa, Kentucky, Manitoba, Maryland, Masachusettes, Michigan, Minnesota, Missouri, New Hampshire, New Jersey, New York, North Dakota, Ohio, Ontario, Pennsylvania
- Attracts
- Bees, Butterflies
Sources: trefle, usda
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