Echinocereus longisetus

A clumping Coahuila hedgehog cactus whose stems are wrapped in long, fine white spines, with pinkish-purple flowers near the stem base. It comes from hot-summer, cold-winter Chihuahuan Desert mountains; a bright, dry, cold winter is the key to flowering.

At home, aim for

Day Cool-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Dry airBand in Plantistry

Light Full sunDLI and PPFD in Plantistry

Expects a seasonal restGrows on rock (lithophyte)

Where it grows wild

Rocky slopes and cliff faces in Chihuahuan Desert mountains, where clumps often grow on limestone ledges in full sun.

Recorded at 861–2,088 m, median 1,329 m.

CoahuilaNuevo LeónMexico

🔒 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 4.0 licence, unmodified.