Selaginella gracillima

A tiny annual spikemoss of southern Australia that appears in winter-wet sandy ground and dies as it dries in spring. It is an ephemeral of Mediterranean-type climates, so in cultivation it is a short-lived winter crop grown from spores, not a permanent terrarium plant.

At home, aim for

Day Cool-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Humid airBand in Plantistry

Light Bright, filtered lightDLI and PPFD in Plantistry

Expects a seasonal restGrows in the ground

Where it grows wild

Grows on seasonally wet, often sandy or peaty soils in heath, open woodland and swamp margins, on moist mossy ground and around rock outcrops, among small ephemeral herbs.

Mostly lowland: recorded from 1 to 609 m, median 10 m.

South AustraliaTasmaniaVictoriaWestern 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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More Selaginella

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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 2.0 licence, unmodified.