Lobelia x speciosa 'Great Blue' (Great Blue Cardinal Flower)

The Great Blue Cardinal Flower is a striking perennial with vibrant blue flowers that bloom from midsummer to early fall. It is known for attracting hummingbirds and butterflies to the garden. This plant has a clumping habit with lance-shaped, dark green leaves. It grows up to 3-4 feet tall and spreads about 1-2 feet wide.