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Species library › Cycas › Cycas chamaoensis
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Cycas chamaoensis

A critically endangered cycad restricted to bare granite outcrops on Khao Chamao in southeastern Thailand. It grows in full sun on thin, fast-draining soil, under a monsoon climate with a short dry season from December to February.

At home, aim for
Day Warm-growingTargets in Plantistry
Night Close to the dayTargets in Plantistry
Humidity Ordinary room humidityBand in Plantistry
Light Full sunDLI and PPFD in Plantistry
Expects a seasonal restGrows on rock (lithophyte)

Where it grows wild

It grows only on exposed granite outcrops and slabs in full sun on one mountain.

The climate site is in the lowlands at the foot of the range (about 70 m); the outcrops may be somewhat higher and slightly cooler.

Thailand

🔒 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.