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Picture
Picture
Close-up of the great blue lobelia bloom.

GREAT BLUE LOBELIA

Botanical Name: Lobelia siphilitica 
Plant Family: Campanulaceae (Bellflower Family)


Description: This showy perennial is usually unbranched but may exhibit some branching. The erect, 2-3 ft., stems produce lavender-blue, tubular flowers crowded together on the upper stem. Showy, bright blue flowers are in the axils of leafy bracts and form an elongated cluster on a leafy stem. Each flower is split into two lips – the upper lip has two segments and the lower lip has three.


Growing Conditions:  Not at all drought tolerant, keep soil moist, watering if necessary in average soil conditions. Sun/Part Shade/Shade.

Bloom Time: Late, Jul-Sep
Bloom Color: Blue

Benefit to pollinators/wildlife: Attracts Birds, Hummingbirds.

Native Status: US native.

Location in habitat:  Pennsylvania Native Plant Society Demonstration Garden
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