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Species library › Blechnum › Blechnum lyonii
Ferns Little published: much of this is inferred from related species

Blechnum lyonii

A Hawaiian endemic fern, long treated as Doodia lyonii, with coarse, upright, finely toothed fronds. It grows in dry to mesic forest and on fairly open rocky or lava ground. It tolerates brighter, drier conditions than most ferns but needs steady mild temperatures.

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 in the ground

Where it grows wild

Recorded on Maui, O'ahu, Kaua'i and Hawai'i, mostly at 300–1200 m. Its Doodia relatives grow terrestrially in dry to mesic forest, on banks and on rocky ground.

Records at 300–1200 m, median about 850 m.

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.