Great Blue Lobelia (Lobelia siphilitica) is a seasonal plant with blue blooms summer into early fall. They prefer moist to mesic soil in sun to part sun but can tolerate some shade. They grow up to 4 feet tall and are a good choice for slopes and basins. Companion plants include ‘Little Joe’ Joe Pye Weed (Eutrochium dubium 'Little Joe') and Bluestar (Amsonia tabernaemontana).
Maintenance
No serious maintenance needs.
About
Light Requirements
Sun,
Part Sun,
Shade Moisture Requirements
Slopes,
Basin Soil Requirements
Clay,
Most Soils Height
Short Spacing
1 to 2 feet Category
Seasonal Attracts
Bees,
Butterflies Illinois Native Plant Status
Yes Bloom Time
July,
August,
September Bloom Color
Blue Seasonality
Fall,
Summer Sociability
Groups of 10-20