Cardinal Flower (Lobelia cardinalis). Hardy, North American perennial Description: Brilliant scarlet-red flowers in summer to early autumn Habit: Flower spikes grow to 2-4 feet high from evergreen, 12-inch wide basal clumps of dark, glossy green foliage Culture: This species prefers moist soil and full sun to part shade Hardiness: Cold hardy to USDA Zone 3 Origin: North America Attributes: Rain garden, Deer resistant, Attracts butterflies and hummingbirds Jefferson Documented The brilliant scarlet-colored... - Cardinal Flower (Lobelia cardinalis). |