aka Blue cardinal flower
A gorgeous perennial Lobelia which forms neat upright spikes of vibrant green foliage topped with spears of bright, blue blooms. Lovely used as borders, wild gardens, cottage gardens or near ponds and streams. Butterflies and bees will come. Deciduous.
Deadhead after flowering to encourage more flowers and to keep compact. Divide clumps in Spring if desired.
Flower Colour: Blue
Habit: Clump Forming
Leaves: Deciduous, Green
Mature Size (HxW): 70cm x 60cm
Lobelia siphilitica Blue
New stock expected Middle of August, 2025. Waitlist now. Estimated price $29.99. Payment on order.