Trilliums (Trillium spp. and cvs.) are among the native woodland plants I treasure most. I cannot imagine late winter and spring without their symmetry of threes: three leaves, three sepals, and three petals—hence, the common name “trinity flower.” With more than 40 species to drool over, these jewels of the forest floor are a collector’s dream. Some big, some small, some white, some deep red—trilliums have a lot to offer.
Trilliums are fairly easygoing and will flourish and blend beautifully with other woodland plants. Light: Trillium grow best in a partly-shaded, deciduous woodland habitat and along wet areas in the forest. The further South they grow, the more shade they will require. Soil: Trillium grow well in fertile, moist, but well-drained soil that's high in organic matter.