Best grown in organically rich, moist, sandy loams in light to moderate shade. Generally tolerates a wide range of soils as long as they are well-drained. Add sand to clay soils to improve drainage. This species tolerates heat and sun better than most other species in the genus, however. Remove flowering stems after bloom to encourage additional bloom. Keep soils uniformly moist after bloom to prolong attractive foliage appearance. When foliage depreciates, plants may be cut to the ground. Species reseeds well in optimum growing conditions as long as flowers are not deadheaded.
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