Pilosocereus collinsii

A branching columnar cactus of the hot Pacific lowlands around the Isthmus of Tehuantepec in Oaxaca, with bluish-green ribbed stems and woolly flowering areoles. It needs full sun, constant warmth and a pronounced dry winter, and it is frost-tender.

At home, aim for

Day Warm-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 in the ground

Where it grows wild

Lowland tropical deciduous forest and thorn scrub on coastal plains and low hills, growing in open, sun-baked spots on well-drained soil and rock. Built from the measured sites and what is typical for the genus.

Recorded from about 18 to 950 m, median around 66 m; mainly a coastal-plain species.

Mexico 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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Profiles are drafts built from measured range and climate and from published sources; each section carries its own confidence in the app.