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Mooncactus

Harrisia martinii

Also called Moon Cactus, Harrisia Cactus, Moonlight Cactus, Snake Cactus, Harrisia, Martin's Harrisia

Mooncactus
Photo: John Tann from Sydney, Australia, CC BY 2.0

Mooncactus (Harrisia martinii) is a night-blooming, rope-like cactus from South America with large showy flowers and edible red fruit. It is grown as a landscape or container plant in frost-free areas and needs sun and very well-drained soil.

Family
Cactaceae (Cactus family)
Grows as
Succulent
Light
Full sun
Water
Water deeply, then let the soil dry out fully before watering again; reduce watering in winter.
Soil
Fast-draining cactus or succulent mix, or sandy soil with added grit.
Temperature
18–35 °C; protect below 5 °C
How easy
Easy
Safety
Not known to be toxic
Native range
E. Paraguay to NE. Argentina
Climate
subtropical

About

Harrisia martinii, commonly called the Martin applecactus, is a species of night-blooming, rope-like cacti native to South America. With large showy flowers that attract the hawk moth, it is considered by some a useful landscape plant in areas that do not freeze.

Where it grows

Harrisia martinii is widespread in the Chaco vegetation in Paraguay and the Argentine provinces of Formosa, Chaco, Corrientes, Entre Ríos and Santa Fe at elevations of 50–100 meters. The species was first found in Brazil in 2007

Other Harrisia plants

Cereus serruliflorus · Prickly applecactus · Harrisia adscendens · Giant Red Dragon Apple Cactus · Brook's Dildo · Harrisia caymanensis · Harrisia divaricata · Harrisia earlei · Fragrant applecactus · Harrisia fernowii · Caribbean applecactus · Harrisia gracilis

Text excerpted from the Wikipedia article Harrisia martinii 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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