Easily grown in average, medium moisture, well-drained soil in full sun. Tolerates filtered sunlight, but prefers full sun. Prefers moist, sandy soils, but has surprisingly good drought and heat tolerance. Wet soil in winter is the main cause of death for this plant. A well-drained soil is essential. Deadhead individual spent flowers and remove spent flowering stems to encourage additional bloom. Plants can be cut back to basal foliage after bloom.