Bring year-round structure and late-spring color to your landscape with Kalmia latifolia 'Carol'. This broadleaf evergreen shrub forms a dense, multi-stemmed framework with glossy, leathery leaves and clusters of intricate, cup-shaped blooms that open in spring to early summer. At maturity it can reach 72-120 inches tall and, with time, can spread broadly (about 96-120 inches), making it a strong choice for foundation plantings, woodland edges, and shrub borders where you want an evergreen presence.
Give your plant the conditions it naturally prefers: cool, moist, acidic, humus-rich soil with excellent drainage. Mulch the root zone to conserve moisture and keep roots cool, and water during dry spells, especially while the plant is establishing. Avoid heavy clay or persistently wet sites; raised planting beds or amended soils can improve drainage where needed.
Light is flexible, from full sun to full shade, but you will typically get the best overall performance in partial shade (for example, morning sun with afternoon shade). In deeper shade, growth may become more open and flowering may be reduced; in hotter, brighter exposures, consistent moisture and protection from harsh afternoon sun help prevent stress.
Prune only as needed, and do it right after flowering if you want to shape the plant, since next season's buds form on older wood. Remove spent flower clusters to keep the plant tidy. Like other mountain laurels, all parts are considered toxic if ingested, so place thoughtfully where pets or children may chew on plants.