Astrophytum capricorne

The goat's-horn cactus of the Chihuahuan Desert, a ribbed globular to short-columnar cactus wrapped in long, twisted, papery spines and bearing yellow flowers with red throats. It needs full sun, very sharp alkaline drainage and a dry winter rest.

At home, aim for

Day IntermediateTargets in Plantistry

Night A clear drop at nightTargets in Plantistry

Humidity Dry airBand in Plantistry

Light Full sunDLI and PPFD in Plantistry

Expects a seasonal restGrows in the ground

Where it grows wild

Open desert scrub on limestone hills and gravelly slopes in the Chihuahuan Desert, often among rocks with little shade.

Recorded at 769–1600 m, median about 1250 m.

CoahuilaDurangoNuevo LeónSan Luis PotosíMexico 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.