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Species library › Cycas › Cycas schumanniana
Other Partly documented

Cycas schumanniana

A cycad of eastern Papua New Guinea, mainly the Markham and Ramu valleys and nearby hills from near sea level to about 1,000 m. Grow it warm and bright with steady water and a slightly drier spell from July to September.

At home, aim for
Day Warm-growingTargets in Plantistry
Night Close to the dayTargets in Plantistry
Humidity Ordinary room humidityBand in Plantistry
Light Bright, filtered lightDLI and PPFD in Plantistry
No rest periodGrows in the ground

Where it grows wild

The records lie in lowland valleys and foothills; New Guinea Cycas mostly grow in grassland, savanna or open forest margins in bright light.

Recorded at 10–1,080 m, median 150 m.

Papua New Guinea

🔒 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.