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Species library › Asplenium › Asplenium flagrum
Ferns Little published: much of this is inferred from related species

Asplenium flagrum

Asplenium ×flagrum is a rare natural hybrid spleenwort described from Hawaii by W.H. Wagner and D.D. Palmer. It is known from very few collections, and its only measured site is on high, cool East Maui near 1900 m.

At home, aim for
Day Cool-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

Montane Hawaiian forest; as a hybrid it grows with its parent species, but its exact microhabitat is not documented in the sources reached.

The one measured site is at about 1900 m on Maui.

Hawaii

🔒 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.