Aporocactus flagelliformis

The rat-tail cactus, with long, trailing pencil-thin stems and magenta flowers, from the highlands of Hidalgo, Querétaro, Puebla and Veracruz. It hangs from rocks and trees in seasonally dry oak and pine-oak country at 1,000–2,600 m, so it likes bright filtered light, a summer rainy season and a cool, drier winter that triggers flowering.

At home, aim for

Day Cool-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Dry airBand in Plantistry

Light Bright, filtered lightDLI and PPFD in Plantistry

Expects a seasonal restGrows on rock (lithophyte)

Where it grows wild

Hangs from cliffs, rock outcrops and tree branches in canyons and oak or pine-oak woodland, often in light shade.

Recorded at about 1,025–2,615 m, median 2,050 m.

Mexico CentralMexico GulfMexico Northeast

🔒 Growing it like that

The wild conditions above, turned into targets for a shelf, a tent or a greenhouse. The full profile has:

✓ Day and night temperature targets, and the limits it tolerates

✓ Humidity band, and how to hold it

✓ Light as DLI and PPFD for a grow light

✓ Wet and dry seasons, and whether to rest it

✓ Substrate and airflow

✓ A step-by-step setup to grow it like the wild

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Profiles are drafts built from measured range and climate and from published sources; each section carries its own confidence in the app. Photo from Wikimedia Commons, used under its CC BY-SA 3.0 licence, unmodified.