Drosera myriantha

Star rainbow

A tuberous sundew from the far south-west of Western Australia, with erect to scrambling stems 15–35 cm tall carrying small peltate trap leaves and white to pink flowers from October to December. It grows in winter-wet swampy flats and sedgeland on peaty sand, and spends the hot, dry summer dormant as an underground tuber. Success depends on copying that cycle: cool, bright, wet winter growth and a dry summer rest.

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, winter-damp flats and heath or sedgeland on peaty sand, grey sand over clay or black swampy soil. Specimen notes record it among sedges, Agonis and Melaleuca and often in recently burnt vegetation.

A lowland plant of the coastal plain and the southern jarrah forest, mostly below about 300 m.

South-west Western Australia (Swan Coastal Plain, Jarrah Forest, Warren)

🔒 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.