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Species library › Selaginella › Selaginella dregei
Terrarium Well documented

Selaginella dregei

Selaginella dregei is a mat-forming spikemoss of southern and eastern Africa. It grows on rock outcrops and thin soils in grassland and savanna, curling up when dry and reviving with rain. Unlike the rainforest spikemosses, it needs a bright, strongly seasonal regime: a warm wet summer and a cool, dry winter.

Selaginella dregei
Photo: Ryan Donnelly, CC BY 4.0, via Wikimedia Commons
At home, aim for
Day Cool-growingTargets in Plantistry
Night Close to the dayTargets in Plantistry
Humidity Ordinary room humidityBand in Plantistry
Light Bright, filtered lightDLI and PPFD in Plantistry
Expects a seasonal restGrows on rock (lithophyte)

Where it grows wild

Forms low mats on rocks, rock crevices and shallow soil in grassland and savanna, often under the partial shade of boulders or shrubs. The desiccation tolerance is inferred from its seasonally dry habitat and the typical behaviour of such African spikemosses.

Recorded from 28 to 1859 m, median 1100 m (57 records): mainly highveld and escarpment elevations.

South AfricaEswatiniLesothoZimbabweMozambiqueBotswanaZambiaMalawiTanzaniaKenyaUgandaDR CongoAngola

🔒 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. Photo from Wikimedia Commons, used under its CC BY 4.0 licence, unmodified.