Selaginella arbuscula

A Polynesian spikemoss native to Hawaii, the Society Islands, the Marquesas and the Caroline Islands, forming small, upright, tree-like fronds. It grows on wet shaded banks, streamsides and wet cliffs in forest, and is well represented in Hawaii (201 records) and French Polynesia (42).

At home, aim for

Day Warm-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Very humid airBand in Plantistry

Light ShadeDLI and PPFD in Plantistry

No rest periodGrows in the ground

Where it grows wild

Terrestrial on moist, shaded soil banks, stream margins, wet rock faces and waterfall spray zones in mesic to wet forest.

Recorded at 76–5,240 m, median 795 m (68 records); the upper value is certainly an error, and most records sit between about 200 and 1,500 m.

Caroline Is.HawaiiMarquesasSociety Is.

🔒 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 3.0 us licence, unmodified.