Bottle Gentian (Gentiana andrewsii) is a seasonal plant with blue blooms in fall. They prefer moist soil in sun to part sun, where they grow up to 2 feet tall. They are a good choice for slopes and basins. Companion plants include Southern Blue Flag Iris (Iris virginica var. shrevei) and Palm Sedge (Carex muskigemensis).
Maintenance
No serious maintenance needs.
About
Light Requirements
Sun,
Part Sun Moisture Requirements
Slopes,
Basin Soil Requirements
Organically Rich Soil Height
Very Short,
Short Spacing
1 to 2 feet Category
Seasonal Attracts
Bees Illinois Native Plant Status
Illinois Native,
Indiana Native Bloom Time
September,
October Bloom Color
Blue,
Purple Seasonality
Fall Sociability
Groups of 5-10