Lobelia siphilitica - Cardinal Flower
his blue counterpart of the Cardinal Flower is a most desirable plant for woodland gardens especially since it blooms bright blue in late summer. The erect stems produce lavender-blue, tubular flowers crowded together on the upper stem. Attracts butterflies. Prefers rich, moist soil. Shade/ part shade. Available in 1 quart pots. Ht. 2-3 ft.