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Species library › Asplenium › Asplenium difforme
Ferns Well documented

Asplenium difforme

A coastal spleenwort from eastern Australia and Norfolk Island that grows in crevices on rocky sea headlands, with thick, waxy, irregularly divided fronds up to 45 cm that withstand salt spray. It sits in the leathery-leaved Neottopteris clade, closest to Asplenium dimorphum. In cultivation it is a tough, bright-light fern for a sharply drained, rocky position with mild temperatures.

Asplenium difforme
Photo: Poyt448, Peter Woodard, CC BY-SA 4.0, via Wikimedia Commons
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
No rest periodGrows on rock (lithophyte)

Where it grows wild

Rock crevices on exposed coastal headlands, often within reach of sea spray, where its thick fronds resist salt and wind.

Coastal, essentially at sea level on headlands.

New South WalesQueenslandNorfolk Island

🔒 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. Photo from Wikimedia Commons, used under its CC BY-SA 4.0 licence, unmodified.