Lobelia siphilitica Seeds

Ease to Grow: EasyDormancy: PreferredNative Range: Wetlands of North and South AmericaZones: 3-8 (2-10) Great Blue Lobelia or Blue Cardinal Flower, Lobelia siphilitica, is a striking, tall, wetland plant with vibrant blue flower heads. Each flower has two upper petals and three spreading lower petals, all joined in a long nectar tube. The 100+ flowers tightly cluster into a long, tall blooming spire of vibrant blue. The leaves are dark green and finely toothed. It prefers growing in consistently wet, loose soils, appreciating shade and tolerating full sun in cool, northern zones. It flowers from Summer through Fall and attracts hummingbirds and butterflies. It is a rapid grower and spreads nicely from offshoots along the stem in Fall. The alkaloids from the plant are considered poisonous to animals. Blue Cardinal Flower is technically not a perennial because the flowering stem and its roots die after setting seed, but offshoots develop along the stem and can propagate the colony year a