Drosera caduca

A tropical sundew from the Kimberley in far northern Western Australia, related to the D. petiolaris group. It is unusual in the genus because only its juvenile leaves have sticky trapping glands, and the mature leaves lack them. It grows in wet white sand beside creeks and on peaty flats that flood in the monsoon, so it wants heat, strong light and a wet summer.

At home, aim for

Day Warm-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Ordinary room humidityBand in Plantistry

Light Full sunDLI and PPFD in Plantistry

Expects a seasonal restGrows in the ground

Where it grows wild

It grows in white or grey sand on creek margins, in wet, sandy, black peaty soil on flats in open grassland with scattered Pandanus, and around Livistona palm swamps and falls in the Prince Regent area. Its sites are open and waterlogged in the wet season.

It is a lowland plant. The only recorded elevation is 344 m, and the Kimberley plateau sites are low.

Western Australia (Kimberley: Edkins Range to southern Prince Regent National Park, Augustus Island)

🔒 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.