Great Blue Lobelia


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blue cardinal flower

Latin name: Lobelia siphilitica

Common Name: Great blue lobelia or blue cardinal flower

Type: Herbaceous perennial

Family: Campanulaceae

Native Range: Eastern North America

Zone: 4 to 9

Height: 2.00 to 3.00 feet

Spread: 1.00 to 1.50 feet

Bloom Time: July to September

Bloom Description: Blue

Sun: Full sun to part shade

Water: Medium to wet

Maintenance: Low

Suggested Use: Naturalize, Rain Garden

Flower: Showy

Tolerate: Deer, Heavy Shade, Wet Soil


Plant information from the Missouri Botanical Garden

Additional information


Quart, 1 Gallon


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