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Species library › Asplenium › Asplenium heterochroum
Ferns Well documented

Asplenium heterochroum

varicolored spleenwort

Asplenium heterochroum, the varicolored spleenwort, is a small rock fern of the A. trichomanes group. It grows on limestone and coquina in the south-eastern United States, Bermuda, the Greater Antilles, Mexico and Central America to northern South America. It grows in shaded, moist crevices and sinkhole walls, so it needs a lime-rich, well-drained rock niche in bright shade.

At home, aim for
Day IntermediateTargets in Plantistry
Night Close to the dayTargets in Plantistry
Humidity Ordinary room humidityBand in Plantistry
Light Dappled lightDLI and PPFD in Plantistry
No rest periodGrows on rock (lithophyte)

Where it grows wild

Shaded, moist limestone: sinkhole walls, ledges, rock outcrops and old masonry. The Florida and Georgia records cluster around limestone sinks and bluffs.

GBIF elevations run from 11 to 3,450 m, median 1,158 m (32 records). The US and Bermuda sites are near sea level; the higher figures are from Mexico and the Andes.

United StatesBermudaMexicoBelizeGuatemalaCubaHispaniolaPuerto RicoColombiaVenezuelaEcuador

🔒 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.