Calycanthus floridus is a shrub that grows to be around 1 to 3 m tall. Its leaves are a dark green with a pale underside. They are ovate or elliptical in shape. The leaves are simple, entire, and arranged oppositely along the stem. The flowers are solitary, featuring a reddish brown to reddish purple color. They are aromatic and so are the leaves when bruised. Elegant reddish-brown flowers appear up in june. They are 5 cm in diameter. It blooms until the beginning of autumn.
Frost-hardy. It absolutely painlessly tolerates frosts down to -32°C. It grows well on fertile, moderately moist soils. Full sun lover. Humidity tolerant.