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Species library › Hygrophila › Hygrophila thwaitesii
Other Partly documented

Hygrophila thwaitesii

A little-known Hygrophila endemic to Sri Lanka, presumably a herb of wet ground and stream margins like its relatives. Little is published about it; grow it warm, humid and constantly moist.

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

Where it grows wild

Assumed to grow in marshy ground, ditches and stream banks in lowland Sri Lanka, as most Hygrophila do.

The only climate reference point is at about 240 m in central Sri Lanka.

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.