Asplenium barclayanum

A spleenwort endemic to Cocos Island, the Costa Rican island in the Pacific. The island is covered in very wet, evergreen rainforest with no real dry season. It needs constant warmth, high humidity and shade.

At home, aim for

Day Warm-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Humid airBand in Plantistry

Light ShadeDLI and PPFD in Plantistry

No rest periodGrows in the ground

Where it grows wild

Probably grows in the shaded understorey of Cocos Island's wet evergreen forest, on the ground, on rocks or low on trunks. This is inferred from the island's habitat and the genus; no species-level habitat notes were reachable.

Recorded from sea level to 350 m, with a median of about 25 m (9 records).

Costa Rica

🔒 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.