Kalanchoe humilis
Kalanchoe humilis has a regular succulent shape but then there are these heart-like spots on the leaves. Kalanchoe humilis grows to a foot at best and slowly spreads 2 to 3 feet wide. Calico Hearts grows in full sun up to moderate shade and is quite drought tolerant. Pampered as a house plant the foliage will be even more interesting than in this photo. The stems will start to root if they touch the ground. Even broken off bits will often root. Kalanchoe humilis is Winter hardy into the mid 20°'s F.
Plants from the Kalanchoe Genus featured on this site:
Kalanchoe beharensis
Kalanchoe humilis
Kalanchoe luciae
Kalanchoe pumila
Kalanchoe tomentosa