Drosera marchantii

An upright tuberous sundew endemic to south-western Western Australia. Each winter it grows from an underground tuber into a stem 10–40 cm tall with small, round, shield-shaped sticky leaves, then dies back in summer. The key to growing it is following that cycle: grow it cool and wet in winter, and keep the tuber dry through the hot summer.

At home, aim for

Day Cool-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

Swampy areas and hilltops on laterite and silica-sand soils in the Mediterranean-climate south-west of Western Australia. Like other tuberous sundews, it grows in open heath and woodland, where it gets plenty of sun during the wet winter and survives the dry summer as a dormant tuber buried deep in the sand.

No elevations are recorded. South-western Western Australia is low-lying, so most sites are probably below about 400 m.

South-western Western Australia

🔒 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.