Great Blue Lobelia
Lobelia siphilitica
Wildflower Coming Soon
Great Blue Lobelia is a Virginia native local-ecotype wildflower that typically reaches 1–3 ft and blooms in early summer, mid summer, late summer, and fall with lavender-blue flowers. It offers exceptional pollinator value and important larval-host relationships.
About This Plant
- Sun Exposure
- Full Sun, Part Shade
- Soil Moisture
- Medium, Medium to Wet, Wet
- Height
- 1–3 ft
- Spread
- 1–2 ft
- Bloom Time
- Early Summer, Fall, Late Summer, Mid Summer
- Bloom Color
- Lavender-blue
- Garden Goals
- Attract Hummingbirds, Deer Resistant, Help Native Bees, Host Caterpillars, Long Bloom Season, Support Pollinators
- Garden Uses
- Rain garden; wet meadow; pollinator garden; part-shade garden
- Wildlife Value
- Pink-washed Looper Moth
Great Blue Lobelia grows best in full sun or part shade with medium, medium to wet, or wet soil. At maturity, it is typically 1–3 ft tall and 1–2 ft wide. Its flowers, foliage, seeds, or fruit help support hummingbirds, butterflies, and native bees. Notable wildlife value includes: Pink-washed Looper Moth. It is well suited to Rain garden, wet meadow, pollinator garden, part-shade garden.
Good to know: Bumblebee-pollinated blue flower spikes.