Water Plant Cardinal Flower


Cardinal flower (Lobelia cardinalis) has bright green lance-shaped leaves with bright red flowers and enjoys full sun to shade.  Cardinal flower is best enjoyed on the back edge of a bog or the center of a container garden in up to 3 inches of water.  They are hardy in zones 5 through 11.

Common Names: Cardinal flower

Scientific Name: Lobelia cardinalis 

Cardinal flowers attract hummingbirds and butterflies

Cardinal flowers attract hummingbirds and butterflies

Sun Tolerance: Cardinal flower does well in full sun, part shade and shade.

Planting Depth: Cardinal flower can be planted in moist soil or on a shelf in up to 3 inches of water.

Height of Plant: Cardinal flowers can reach up to 3 feet.

Bloom color and time of year: Showy bright red flowers like the Catholic cardinals robes grace the flower from June through September.

Native Status: Cardinal flowers are native to North America.

Benefit: Cardinal flower relies on hummingbirds for pollination and is also a food source for butterflies. Cardinal flower also takes nutrients out of the water which helps to keep your pond clean.

Care: Fertilizing your cardinal flower once a month will keep your plant looking its best. New plants can be propagated by bending a stem down into the mud and fastening it with a rock or sticks.