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Species library › Cryptocoryne › Cryptocoryne willisii
Aroids Partly documented

Cryptocoryne willisii

A small Sri Lankan Cryptocoryne, a natural hybrid from the Kandy area, often only about 5 cm tall. It grows both submerged and emersed and is one of the easier crypts in aquariums.

Cryptocoryne willisii
Photo: Hannob, CC0, via Wikimedia Commons
At home, aim for
Day Warm-growingTargets in Plantistry
Night Close to the dayTargets in Plantistry
Humidity Very humid airBand in Plantistry
Light ShadeDLI and PPFD in Plantistry
No rest periodAquatic

Where it grows wild

Grows in and beside shaded streams in wet forest, submerged in high water and emersed when levels drop. Habitat detail is inferred from the genus and the Kandy-area origin.

No elevations recorded; the Kandy area lies at roughly 400–600 m, higher than the climate point used.

Sri Lanka

🔒 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 CC0 licence, unmodified.