These plants are common in the subarctic regions and high mountains of the northern hemisphere.
In North America it reaches the southern limit of its range in the mountains of Maine, New Hampshire, New York, and Washington.
[citation needed] Kalmia procumbens prefers alpine or subalpine, rocky exposed habitat.
[citation needed] It is a known host to the microfungus Delphinella polyspora, which grows on its pedicels and fruit.
Edges are rolled under green on the top and white with dense short hairs underneath.