A wonderful form with true light blue flower spikes, excellent in the shade garden or containers; maintains a good form throughout the season and is excellent in a border planting
Ships as a Landscape-Ready Plug
Blue Cardinal Flower info from Missouri Botanical Gardens
Common Name: 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
Blue Cardinal Flower (Lobelia siphilitica)
Ornamental Features
Blue Cardinal Flower features showy spikes of powder blue tubular flowers rising above the foliage from early to mid summer. The flowers are excellent for cutting. Its pointy leaves remain green in color throughout the season.
Planting and Growing
Blue Cardinal Flower will grow to be about 24 inches tall at maturity extending to 3 feet tall with the flowers, with a spread of 18 inches. When grown in masses or used as a bedding plant, individual plants should be spaced approximately 16 inches apart. It grows at a fast rate, and under ideal conditions can be expected to live for approximately 5 years. As an herbaceous perennial, this plant will usually die back to the crown each winter, and will regrow from the base each spring. Be careful not to disturb the crown in late winter when it may not be readily seen!
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