Bottle Gentian - Gentiana andrewsii

Update 3/31: No more of these are available from the grower, sorry.

Features: No other plant like it. Unique blue flowers that are tubular and closed, accessed only by bumblebees who are strong enough to get into the flower and sometimes hummingbirds, whose long thin beak can pierce it.

Light: Full Sun to Part Shade

Soil: Medium, needs to stay moist, watch during drought

Height: 2 feet

Blooms: August-October

See more information and photos at Illinois Wildflowers and USDA Plants Database