heuchera

Heuchera, commonly known as coral bells or alumroot, is a genus of herbaceous perennials in the family Saxifragaceae. Native to temperate regions of North America, especially western areas, it is grown primarily for its foliage and flowers rather than height. The genus includes about 50 to 60 species and many cultivars, widely used in ornamental gardens.

Plants form basal rosettes of rounded, lobed leaves on short petioles. Leaves can be green, bronze, purple, silver, or variegated and may persist through winter in milder climates. In late spring to summer, slender flowering stalks rise above the foliage, bearing small bell-shaped flowers in shades of pink, red, white, or green. The overall habit is clump-forming and relatively low-growing, making it suitable for borders, woodland gardens, and container plantings.

Cultivation and care: Heuchera prefers partial shade to full shade and well-drained, humus-rich soil. It tolerates a range of moisture levels but does not thrive in drought or waterlogged conditions. Regular moisture helps, but established plants can be somewhat drought-tolerant depending on cultivar. Mulching protects shallow roots, and air circulation supports disease resistance. The plants are generally slow-growing and maintain a compact clump.

Propagation and cultivars: Propagation is usually by division in spring or fall; seed can be used for some species but is less reliable. The genus has many cultivars with diverse leaf colors and forms, including popular selections such as Palace Purple, Lime Marmalade, Caramel, and Georgia Peach.

Uses and pests: Widely used in shade borders, woodland gardens, rock gardens, and containers for foliage interest and year-round color. Pests can include slugs and snails, and in humid regions powdery mildew or leaf spots may occur. Proper spacing, watering, and air circulation help reduce problems.