Drosera arenicola

A small highland sundew endemic to Venezuela (Amazonas and Bolívar), found above about 1,200 m including on tepui plateaus. It forms compact rosettes of linear-spathulate, semi-erect leaves that bend downward as they age, slowly building a short upright stem of old leaves up to about 6 cm tall, with white flowers on short stalks. Grow it like other Guiana Highland sundews: bright light, mild days, cool nights, very wet nutrient-poor medium and high humidity.

At home, aim for

Day IntermediateTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Humid airBand in Plantistry

Light Full sunDLI and PPFD in Plantistry

No rest periodGrows in the ground

Where it grows wild

Nutrient-poor, wet, sandy and peaty ground of the Guiana Highlands, including tepui summits, where rain is frequent and cloud is common. Tepui summits are cool and wet, with little humus on the weathered sandstone.

Recorded above about 1,200 m, including tepui plateaus; the exact upper limit was not found.

Venezuela

🔒 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.