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Species library › Pilosocereus › Pilosocereus arrabidae
Succulents Well documented

Pilosocereus arrabidae

A shrubby, blue-green columnar cactus of Brazil's coastal sand plains and seaside rocks, listed as Near Threatened because of coastal development. It lives in hot, humid, sunny lowland conditions and never sees frost, so it wants warmth and strong light all year.

Pilosocereus arrabidae
Photo: The_Cactaceae_Vol_II,_plate_VI_filtered.jpg: Mary Emily Eaton (1873-1961)Daniel Schweich for the filtred image. derivative work: Succu (talk), CC BY-SA 3.0, via Wikimedia Commons
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
No rest periodGrows in the ground

Where it grows wild

Grows on rocky and sandy shores in coastal restinga vegetation, among open scrub on sand and on coastal granite outcrops.

Recorded at 3–190 m, median 9 m (47 records): a true sea-level plant.

Brazil (Rio de Janeiro, Espírito Santo, southern Bahia)

🔒 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 3.0 licence, unmodified.