Plant library · Conifers & Evergreens
Kalmia latifolia
Mountain laurel is an evergreen native shrub that brings pink-and-white, cup-shaped flowers to the garden from late spring into early summer. At about 8 feet tall and wide, it reads as a substantial, year-round mass rather than a small filler shrub. Use Kalmia latifolia where its broad, leafy outline can hold a shaded bed together after nearby perennials have faded.
Set mountain laurel into the middle or back of a woodland-style border, beneath open tree canopy, or along the quieter edge of a path. Its eventual bulk needs a location that will not narrow circulation as the shrub matures; keep it back from tight turns, gates, and narrow foundation beds. A single plant can anchor a shaded bed, while repeated plants can make a broad evergreen screen or informal mass.[1][2]
Space plants 6 feet apart, center to center, for a connected planting that can grow into a unified evergreen mass. Each shrub may reach roughly 8 feet across, so allow the outer canopy to overlap only where a continuous screen is wanted. For a more individually defined specimen, leave additional open ground around the plant and protect a clear route for pruning and mulch renewal.
Partial shade suits this shrub well, especially a site with morning sun and shade through the warmer part of the day. Give it regular moisture in acidic, well-drained soil, and use mulch across the root zone to help conserve moisture and keep roots cool. Avoid low pockets that stay wet and dense clay sites; a raised planting area can improve drainage where soil is heavy.[1][2][3]
The flowering display arrives in late spring to early summer, so place it where the blooms can be seen from a window, seating area, or regularly used path. Its evergreen foliage keeps the planting occupied through winter. If shaping is needed, prune lightly just after flowering; later cutting can remove growth that carries the following season’s blossoms.[1][2]
Mountain laurel develops slowly and can become more open and characterful with age, rather than staying uniformly compact. Reserve its full footprint from the start instead of relying on temporary sun-loving fillers that will need removal as shade and branch spread increase. Choose the final planting position carefully, since the shrub is intended to remain a long-term woody element in the bed.[1][2]
Editorial content updated 2026-07-20.