Asplenium fissum

Asplenium fissum is a small, finely divided spleenwort of limestone and dolomite scree and rock crevices in the mountains of southern and central Europe, mostly between 800 and 1400 m and up to 2400 m. It is a cold-hardy rock fern that needs a real winter rest; it is best grown outdoors in an alpine trough or cold frame rather than indoors.

At home, aim for

Day Cool-growingTargets in Plantistry

Night Close to the dayTargets in Plantistry

Humidity Ordinary room humidityBand in Plantistry

Light Bright, filtered lightDLI and PPFD in Plantistry

Expects a seasonal restGrows on rock (lithophyte)

Where it grows wild

Crevices in limestone and dolomite rock and on calcareous scree, on poor, fairly dry, alkaline soil in bright montane to subalpine rock communities.

Mostly 800–1400 m, occasionally to 2400 m; records span 413–2400 m, median 1180 m.

AustriaGermanyFranceItalySloveniaCroatiaBosnia and HerzegovinaSerbiaMontenegroAlbaniaNorth MacedoniaGreeceBulgaria

🔒 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 Asplenium

Asplenium platyneuron Asplenium bradleyi Asplenium pinnatifidum Asplenium resiliens Asplenium rhizophyllum Asplenium montanum Asplenium scolopendrium Asplenium tutwilerae Asplenium ceterach Asplenium monanthes Asplenium nidus Asplenium septentrionale All 1023 →

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 CC0 licence, unmodified.