Pachycereus grandis

A tall, branching columnar cactus from central and southern Mexico that can reach well over 5 m in the wild. In a pot it is a fast, light-green column that wants full sun, warmth, summer water and a dry, frost-free winter.

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 tropical deciduous forest and thorn scrub on hillsides and valleys of the Balsas basin and surrounding uplands. Vegetation detail is inferred from the genus and range.

Typically 900–1,500 m; GBIF records span 277–2,153 m with a median of 1,292 m.

Mexico CentralMexico Southwest

🔒 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 Pachycereus

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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.