Species library › Lepidozamia › Lepidozamia hopei
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Lepidozamia hopei

The tallest cycad in the world, a rainforest understory species from a small stretch of the wet tropics of north-east Queensland. It wants constant warmth, high humidity, filtered light and steady moisture. It is slow-growing and cannot be grown cold or in full sun.

Lepidozamia hopei
Photo: Steve Fitzgerald, CC BY-SA 4.0, via Wikimedia Commons
At home, aim for
Day Warm-growingTargets in Plantistry
Night Close to the dayTargets in Plantistry
Humidity Ordinary room humidityBand in Plantistry
Light Dappled lightDLI and PPFD in Plantistry
No rest periodGrows in the ground

Where it grows wild

Grows in lowland and foothill tropical rainforest and the adjoining wet forest. It rises above the other understory plants but rarely reaches the canopy.

Grows from near sea level to about 600 m, and GBIF records reach 800 m, with a median of 100 m.

North-east Queensland (Bloomfield River to Tully)

🔒 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. Photo from Wikimedia Commons, used under its CC BY-SA 4.0 licence, unmodified.