Drosera zonaria

Painted sundew

A tuberous sundew from southwest Western Australia that forms a flat rosette 5–7 cm across of kidney-shaped leaves with crimson margins. It grows in deep white silica sand in open woodland and coastal heath, is active through the cool wet winter, and retreats to a tuber 10–30 cm deep for the hot dry summer. It rarely flowers, and flowering is closely linked to fire.

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

Deep white silica sand in open woodland and coastal heathland. The rosette lies flat on the sand surface, often in open, sunny patches between shrubs. The tuber sits deep in the sand, protected from summer heat and fire.

Mostly low country; the few records with elevation span 224–356 m (median 256 m).

Australia: 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.