Pachypodium decaryi

A small bottle-shaped Pachypodium from limestone outcrops in far northern Madagascar, with a swollen grey caudex, a tuft of leaves and large white flowers. It wants full sun, warmth and a long dry, leafless rest in the austral winter.

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 on rock (lithophyte)

Where it grows wild

Grows in cracks and pockets of limestone karst and dry deciduous scrub around Antsiranana (Diego Suarez), rooting in very little soil on exposed rock.

Recorded at 82-308 m, median 180 m.

Madagascar

🔒 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 Pachypodium

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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 2.0 licence, unmodified.