Drosera barrettiorum

An annual sundew from the Kimberley region of northern Western Australia, described in 2014 and named after the Barrett brothers who found it. It belongs to section Arachnopus, the group of tall, erect annual sundews once all called Drosera indica. Like its relatives, it grows fast through the hot wet season and dies back as the ground dries, so in cultivation it is grown from seed each year in heat, strong light and wet sand.

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

Habitat details for this species were not found in the sources consulted. The Kimberley annual sundews of section Arachnopus typically grow in seasonally wet, sandy ground along creeks, seepages and swampy flats in full sun, and this profile assumes the same.

Lowland. The six GBIF records with elevations span about 15–310 m.

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.