Lobelia siphilitica – Blue cardinal flower


Blue cardinal flower is a lovely plant that produces some welcome diversity with its violet-blue flowers during late summer or fall.


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Commonly called blue cardinal flower this wildflower is best grown in moist to wet locations along streams and in low wooded areas. A light to dark blue clump-forming perennial it blooms in late summer and brings butterflies, hummingbirds and neighbors to your garden.

“Blue cardinal flower has been grown in American flower gardens since at least the beginning of the 19th century, and many Native American tribes used this native wildflower for a variety of medicinal purposes.” – The Shop, Monticello

Height: 2 – 3 ft

Sun: Sun to partial shade

Water: Medium

Bloom color: Blue

Bloom time: July to Sept

Additional information

quart, 1-gallon, 2-gallon

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