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Species library › Cryptocoryne › Cryptocoryne undulata
Aroids Well documented

Cryptocoryne undulata

A Sri Lankan Cryptocoryne grown widely in aquariums, with long, wavy dark-green leaves. It grows submersed or emersed in warm, slow streams and is one of the easier species to keep and flower.

At home, aim for
Day Warm-growingTargets in Plantistry
Night Close to the dayTargets in Plantistry
Humidity Very humid airBand in Plantistry
Light Dappled lightDLI and PPFD in Plantistry
No rest periodAquatic

Where it grows wild

Amphibious plant of streams and stream banks in lowland Sri Lanka, submerged at high water and emersed when levels fall. In cultivation it grows partly or fully submersed.

Single record at about 160 m in the central lowlands.

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.