Alocasia ridleyi

A Bornean Alocasia described by Alistair Hay in 1998 and named for H.N. Ridley. It is recorded from western and northern Sarawak at low to moderate elevations, and specific habitat notes are scarce. Grow it warm, shaded and very humid.

At home, aim for

Day Warm-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Humid airBand in Plantistry

Light ShadeDLI and PPFD in Plantistry

No rest periodGrows in the ground

Where it grows wild

A terrestrial herb of lowland and hill rainforest in Sarawak. Specific microhabitat notes were not available to us; we assume the shaded forest floor used by its relatives.

No elevations on the records. The measured sites are at about 100–460 m.

Borneo: Sarawak

🔒 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.