Plant Description Red Cardinal Flower (Lobelia Cardinalis) is a beautiful plant with red flowers and handsome green foliage. Crimson flowers appear on tall, green, spikes in mid to late summer and into fall. Plants grow 1.5 - 3 feet tall, with showy red blooms above the attractive, green foliage. The blooms of the Red Cardinal Flower attract hummingbirds & butterflies. Red Cardinal Flower plants have a clump-like habitat and are not invasive. Red Cardinal Flowers provide a lovely 'pop' of color in mid summer to fall when other flowers are fading! Red Cardinal Flowers add texture and vertical interest to your water garden setting. Hardy to zone 4 Height Grows to 36 inches tall Width 12 - 18 inch spread Sunlight Requirements Part sun to part shade Moisture Requirements Prefers Moist soil Fertilize Fertilize throughout the summer months, June through August Bloom Blooms July through September Zone Hardy to zone 4 Planting Instructions Cardinal Flower grows well in moist, loam soil and part sun/part shade in northern climates, moist soil and part shade in the southern states. Keep soil moist. Mulch soil to help keep plants consistently moist if above the waterline. Mulching in the fall will help keep plants from heaving in the winter, north of zone 5. The plants can grow 1 - 2 inches below the waterline, but grow best slightly above the water line.
