Kalanchoe rotundifolia (Haw.) Haw.
Crassula rotundifolia, Kalanchoe luebbertiana, Verea rotundifolia, Vereia rotundifolia
Kalanchoe rotundifolia is a brittle, succulent plant up to 3.3 feet (1 m) tall. It is a common, orange-flowering species with a slender stem. It has fleshy, rounded or lobed leaves up to 1 inch (2.5 cm) wide, clustered at the base of erect stems. Although the species name "rotundifolia" means "with round leaves", it may have leaves that vary from entire to deeply lobed also from one season to the next and now includes many forms (previously considered independent species). Flowers are borne in an inflorescence with a long erect stalk. The flat-topped inflorescence consists of yellow or orange flowers and often become red and conspicuously twisted when old. The flowering period occurs through autumn and early winter.
USDA hardiness zone 10b to 11b: from 35 °F (+1.7 °C) to 50 °F (+10 °C).
How to Grow and Care
Kalanchoe care is minimal but be cautious about light levels. Strong southern light can burn the tips of the leaves. Place pots in partial sun to light shade areas when growing Kalachoe plants.
The flowering varieties are highly rewarding for their colorful and long-lasting flowers. They prefer bright, sunny locations, especially in the summer growing season. During the winter, consider a south-facing window. Water moderately throughout the summer and reduce watering in the winter. Let the soil surface dry out between waterings, and in the winter, the plant can almost dry out. Watch the fleshy leaves for signs of water distress. They prefer warmth. Do not let fall below 55ºF (12.7ºC). An ordinary potting soil mix is fine. Feed bi-weekly in the summer with a liquid fertilizer, or use slow-release pellets.
These small plants require repotting every few years. When re-potting, take additional care in handling as the leaves are somewhat brittle and can snap easily. Clay pots work exceptionally well for planting Kalanchoes. Ensure pots can drain well, and saucers can empty easily… – See more at: How to Grow and Care for Kalanchoe
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