Echinocereus papillosus

A clumping, sprawling hedgehog cactus of the South Texas brush country and northeastern Mexico, known for large yellow flowers with a red throat. It grows in sandy limestone loam, often in the partial shade of thorn shrubs, with hot wet-ish summers and a cool dry winter.

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 in the ground

Where it grows wild

Tamaulipan thornscrub on sandy limestone loam, among other cacti and commonly sheltered by shrubs.

Recorded at 33–500 m (median 254 m); literature gives about 400 m.

TexasTamaulipasNuevo LeónSan Luis Potosí

🔒 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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More Echinocereus

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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 4.0 licence, unmodified.