Drosera linearis

The slender-leaved sundew is a small temperate North American sundew of open, calcium-rich fens around the Great Lakes and across boreal Canada. It needs full sun, constantly wet peat or marl, cool summers and a cold winter dormancy as a hibernaculum. It is rare over much of its range and is regarded as one of the harder temperate sundews to keep long-term.

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

Open minerotrophic fens: marl fens, rich fens, patterned fens, fen pools and wet lakeshores fed by calcium-rich groundwater. Specimen labels describe marly sand, wet brown mosses such as Scorpidium, floating Sphagnum mats and pool margins, with Menyanthes, Carex livida, Triantha, Drosera anglica and Sarracenia purpurea.

Mostly lowland: recorded elevations run from 25 to 1799 m with a median of 210 m (14 records); the high records come from Rocky Mountain fens in Alberta, British Columbia and Montana.

Canada: Ontario, Québec, Manitoba, Saskatchewan, Alberta, British Columbia, Northwest Territories, New Brunswick, NewfoundlandUSA: Michigan, Wisconsin, Minnesota, Maine, Montana

🔒 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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More Drosera

Drosera capensis Drosera binata Drosera regia Drosera anglica Drosera falconeri Drosera rotundifolia Drosera capillaris Drosera peltata Drosera glanduligera Drosera peruensis Drosera adelae Drosera finlaysoniana All 242 →

Profiles are drafts built from measured range and climate and from published sources; each section carries its own confidence in the app. Photo from Wikimedia Commons, used under its CC BY-SA 3.0 licence, unmodified.