Lobelia (Great Blue Lobelia) (Cardinal Flower, Great Blue Lobelia, Asthma Weed)
Lobelia siphilitica has tall spiky blue flowers, bloom in mid to late summer on top of a mound of round, bright green leaves. This plant can self-sow quite vigorously, so keep it deadheaded when it is done blooming. Requires partial shade and evenly moist soil conditions.
Cultural
Flower Color: Blue
Foliage Color: Green
Habit: Upright
Height: 24 to 36 inches
Spread: 12 to 18 inches
Plant Needs
Zone: 3 to 9
Exposure: Partial Sun
Plant Type: Flowering
Plant Use: Bedding, Container
Breeder
