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Kalanchoe daigremontiana (Mexican Hat Plant)


Scientific Name

Kalanchoe daigremontiana Raym.-Hamet & H. Perrier

Common Names

Mexican Hat Plant, Mother of Thousands, Alligator Plant, Devil’s Backbone


Bryophyllum daigremontianum, Kalanchoe daigremontianum

Scientific Classification

Family: Crassulaceae
Subfamily: Sedoideae
Tribe: Kalanchoeae
Genus: Kalanchoe


Kalanchoe daigremontiana is an upright succulent perennial up to 3 feet (1 m) tall, with opposite, fleshy oblong-lanceolate, grey-green leaves, often spotted with brown-red and with a row of plantlets on each edge. The plantlets form roots while on the plant. The leaves reach up to 8 inches (20 cm) long and up to 1.2 inches (3 cm) wide. The flowers are tubular, grayish pink in color, up to 1 inch (2.5 cm) long.


USDA hardiness zone 9b to 11b: from 25 °F (−3.9 °C) to 50 °F (+10 °C).

How to Grow and Care

Kalanchoes are not particularly hard to grow, and 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.

Many kinds of Kalanchoe will produce tiny plantlets along the leaf margins that can be individually potted up… – See more at: How to Grow and Care for Kalanchoe


Native to the Fiherenana River valley and Androhibolava mountains in southwest Madagascar.

Subspecies, Varieties, Forms, Cultivars and Hybrids


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