Great Blue Lobelia

Lobelia siphilitica

Tall spiky blue flowers, bloom in mid to late summer on top of a mound of round, bright green leaves. This plant can self-sow quite vigorously, so keep it deadheaded when it is done blooming. Requires partial shade and evenly moist soil conditions.

Height:
24-36″

Spread:
12-18″

Exposure:
Part shade

Soil:
Moist

Zone:
3-9

Information from Bailey Nurseries®