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Species library › Echinocereus › Echinocereus grandis
Succulents Partly documented

Echinocereus grandis

A large, mostly solitary hedgehog cactus endemic to islands in the Gulf of California (San Esteban, San Lorenzo and Las Animas). It grows in dry creek beds, on beaches and on low hills of one of the driest deserts in North America. Stems reach about 50 × 12 cm, and the pink to white flowers are 5–8 cm across.

Echinocereus grandis
Photo: steve b, CC0, via Wikimedia Commons
At home, aim for
Day IntermediateTargets 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 in the ground

Where it grows wild

Dry washes, beaches and low rocky hills on desert islands, in open Sonoran Desert scrub with full exposure.

Recorded at 8–352 m.

Gulf of California islandsMexico

🔒 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 CC0 licence, unmodified.