Echinocereus triglochidiatus

The claret cup cactus of the American Southwest, forming mounds of short stems with scarlet spring flowers. It is very cold-hardy and wants full sun, a hard dry winter and sharp drainage.

At home, aim for

Day Cool-growingTargets 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

Grows on rocky slopes, desert scrub and pinyon-juniper or mountain woodland, often among boulders; seedlings establish in the shelter of shrubs.

Recorded at 442–2,654 m, median 1,920 m; the literature gives 150–3,500 m.

ArizonaCaliforniaColoradoNevadaNew MexicoUtahNorthwest Mexico

🔒 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-SA 3.0 licence, unmodified.