Species library › Drosera › Drosera grantsaui
Carnivorous Well documented

Drosera grantsaui

Drosera grantsaui is a delicate sundew that forms stems up to 28 cm long, often leaning on the grasses around it, with oblong-spatulate leaves and white to pale pink flowers. It grows in permanently moist to wet grasslands, spring margins and Sphagnum carpets across the Brazilian Cerrado and Atlantic Forest regions, and it is also found in Paraguay. It does not go dormant and it flowers all year, so it is an easy warm-growing sundew for a wet tray.

At home, aim for
Day IntermediateTargets in Plantistry
Night A clear drop at nightTargets in Plantistry
Humidity Ordinary room humidityBand in Plantistry
Light Full sunDLI and PPFD in Plantistry
No rest periodGrows in the ground

Where it grows wild

It grows in perennially moist to wet grasslands, in sandy to peaty soils, and is sometimes briefly submerged. It occurs at the edges of veredas (palm swamps) and along rivers, usually among tall, fairly dense grasses and sedges, and in the campos rupestres and campos gerais it grows around permanent springs, at times in Sphagnum.

The literature gives 600–1,600 m. GBIF records span 0–1,560 m (median 730 m), and the lowest ones probably come from southern coastal or lowland sites.

Brazil: TocantinsBrazil: BahiaBrazil: Distrito FederalBrazil: GoiásBrazil: Mato GrossoBrazil: Mato Grosso do SulBrazil: Minas GeraisBrazil: São PauloBrazil: ParanáBrazil: Santa CatarinaParaguay

🔒 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.