Lobelia siphilitica

Great Blue Lobelia

Well-suited for flower gardens both wild and formal, they add height and vibrant purple or scarlet to the back of the flower border. Varieties grow in upright flowering spikes. The water-loving plants thrive along streams, ponds or other wet spots. In cool climates, grow in full sun. Both perennial and annual types are easily grown from purchased or self-harvested seed and also come in containers in spring. Divide or replace plants after 3 years.
Lobelia siphilitica, Great Blue Lobelia
This Eastern United States wildflower blooms on tall stems. Flowers are purple with blue or white lower lips.

Attributes - Lobelia siphilitica

Plant Type: Perennial

Bloom Season: Late Summer through Early Fall

Flower Color: Blue, Purple

Foliage: Deciduous

Height: 2 ft. to 3 ft.

Width: 1 ft. 6 in.

Sunlight: Full Sun, Partial Sun

Climate: Zones 4, 5, 6, 7, 8, 9

Notes: Thrives in Wet Soil. Showy Flowers.

Related Plants

Lobelia cardinalis, Lobelia cardinalis 'Queen Victoria', Lobelia x speciosa 'Fan Orchid Rose', Lobelia x speciosa 'Fan Scarlet'
 
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