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Species library › Cycas › Cycas ferruginea
Other Well documented

Cycas ferruginea

A cycad of the limestone bluffs of western Guangxi and northern Vietnam, named for the rusty hairs on its leaves. It grows from rock crevices in forested karst and is listed as Near Threatened. It suits a bright, warm summer and a cool, drier winter.

At home, aim for
Day IntermediateTargets in Plantistry
Night Close to the dayTargets in Plantistry
Humidity Ordinary room humidityBand in Plantistry
Light Bright, filtered lightDLI and PPFD in Plantistry
Expects a seasonal restGrows on rock (lithophyte)

Where it grows wild

It grows in rocky crevices on forested limestone bluffs, rooting into pockets of calcareous soil in karst.

It grows at about 200 to 500 m, and the measured sites (120 to 400 m) agree.

GuangxiLang SonThai NguyenVietnam

🔒 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.