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Disocactus ackermannii

Disocactus ackermannii
Photo: Curtis Botanical Register, Public domain

Red orchid cactus, an epiphytic cactus from Mexican cloud and tropical forests, grown for its large scarlet, funnel-shaped flowers. It needs bright light, well-drained airy soil, and cool winter rest to bloom well.

Family
Cactaceae (Cactus family)
Grows as
Succulent, Epiphyte, Orchid
Light
Bright indirect, Part shade
Water
Water when the top few centimetres of mix are dry during growth, reduce in winter, and avoid soggy roots.
Soil
Loose, well-drained epiphyte mix with bark or perlite, or a cactus mix with added organic matter.
Temperature
15–27 °C; protect below 7 °C
How easy
Easy
Native range
S. Mexico
Climate
seasonally dry tropical

About

Disocactus ackermannii commonly called red orchid cactus is an epiphytic cactus from tropical forests in the states of Veracruz and Oaxaca, Mexico. In cultivation, it has been confused with Disocactus × jenkinsonii, a hybrid between D. phyllanthoides and D. speciosus.

How to grow it

In cultivation, Disocactus × jenkinsonii, a hybrid between D. phyllanthoides and D. speciosus, has been confused with D. ackermannii and is often distributed under the name "Phyllocactus ackermannii".

Disocactus ackermannii has gained the Royal Horticultural Society's Award of Garden Merit.

Where it grows

Disocactus ackermannii is native to the states of Chiapas, Oaxaca, Puebla, and Veracruz in southern Mexico. It inhabits cloud forests in the Sierra Madre de Oaxaca and Chiapas Highlands between 1,800 and 2,500 meters elevation.

Other Disocactus plants

Fishbone Cactus · Disocactus crenatus · Cactus · Sun Cereus

Text excerpted from the Wikipedia article Disocactus ackermannii by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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