Growing Coral bells 'Caramel' in a pot

Heuchera 'Caramel' has a moderate water need and dislikes both drought and waterlogging. In spring and summer, water during dry spells to keep the soil lightly moist, especially if planted in full sun or sandy soil. In autumn and winter, natural rainfall is usually sufficient; reduce watering and ensure the crown isn't sitting in wet soil, which can cause rot. Mulch helps regulate moisture year-round, but keep it clear of the crown itself. Feed in April and May with a balanced granular fertiliser (such as blood, fish and bone) or a general-purpose liquid feed. A light application is enough—over-feeding produces lush but weak growth and can dull the foliage colour. Avoid high-nitrogen feeds, which encourage leaves at the expense of the plant's compact habit and vibrant hues. Heuchera 'Caramel' is hardy to zone 4 and needs no special winter protection in temperate Europe. The evergreen leaves may look tired after hard frost, but the plant will recover in spring. In exposed gardens, a loose layer of straw or bracken over the crown in December can prevent frost heave, but remove it by late February to avoid encouraging slugs. Vine weevil is the main pest: adults notch leaf edges, while larvae eat roots and can kill the plant. Check for signs in late summer and apply a biological control (nematodes) if needed. Rust and powdery mildew occasionally occur in humid, crowded conditions; improve air circulation and remove affected leaves promptly. Otherwise, maintenance is minimal—an annual tidy, occasional watering, and light feeding will keep this heuchera healthy and colourful for years.