Great Blue Lobelia
(Lobelia siphilitica)
Other Information
Physical Characteristics
Type: Herbaceous Perennial
Height: 2 - 3 ft
Spread: 1 - 1.5 ft
Flower Color: Blue / Purple
Flower Time: Late Summer (Aug - Oct)
Fruit Type: Seed Capsule
Fruit Color: Green / Brown
Autumn Color: Insignificant
Sun Conditions: Full Sun / Part Shade
Shade Tolerance: Medium
Moisture Preference: Medium / High
Deer Resistance*: High
Dog Safe**: No (Toxic)
Conservation Status (MD): SNR - Unranked
Other Names: Blue Cardinal Flower
*Deer resistance can vary based on many factors
**Always consult with a veterinarian about plants toxic to dogs and other animals
Wildlife Benefits:
Great Blue Lobelia is a pollen and nectar source for pollinators including bees and butterflies. It also attracts hummingbirds. It is a larval host to a couple moth species.