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Kalanchoe /ˌkælənˈkoʊɪ/

Common name: Kalanchoe · Flaming Katy · Widow's-thrill

Kalanchoe is a genus of about 125 species of succulents, mostly native to Madagascar and tropical Africa. The most familiar species, Kalanchoe blossfeldiana, is sold as a flowering houseplant with clusters of long-lasting blooms. Like many succulents, they prefer bright light and infrequent watering.

Care summary

Sun Bright light with some direct sun
Water Let soil dry between waterings
Soil Fast-draining cactus or succulent mix
Hardiness Zones 10–12
Mature height Usually 30–45 cm (12–18 in)
Pet safe Toxic if ingested

Fun facts

  • It is a 'short-day' plant, blooming when nights are long.
  • Florist kalanchoe can be rebloomed with weeks of long, dark nights.
  • Some species grow tiny plantlets along the edges of their leaves.
  • The name comes from a Chinese word recorded by a French botanist in the 1700s.

The Kalanchoe Patch

1 on xylery

Peter Peat-Moss Fenestration Fanatic The variegation on the new leaf is unreal.
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Common problems

    • Let soil dry fully between waterings
    • Use a gritty free-draining mix
    • Empty saucers after watering
    • Dab colonies with alcohol on a swab
    • Isolate the plant from others
    • Move to a bright sunny windowsill
    • Pinch back stems to keep compact