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botanical name:
Lobelia siphilitica
Lobelia siphilitica © Deeproot Plant Base
common name:  Great Lobelia, Blue Cardinal flower
family:  Campanulaceae
characteristics: perennial
height: 0.90m
width: 0.60m
growth rate: medium
growth habit: erect
leaf colour: light green
flower colour: violet
main season: Summer
poison symbol poisonous or irritant
medicinal symbol medicinal
aspect: full sun, part shade
conditions: moist soil, wet/waterlogged soil, clay soil, sandy soil
preferred soil pH: any
minimum temp: -25°C
USDA zone: 4 to 8
description:
Finely-toothed, lance-shaped, light green leaves. Spikes of tubular, blue-violet flowers in late summer. Moisture loving.

cultivation:
Likes rich, damp soil in sun or part shade. More tolerant of dryish conditions the Lobelia cardenalis. Prone to damage by slugs.

propagation:
By seed or division.

usage:
Good as a marginal or bog plant and for moist, wild woodland gardens.
Used by the Native Americans as a herbal remedy for various ailments.

other notes:
Found wild in swamps, wet meadows and damp woods of North America.
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