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Ficus subpuberula

Rock Breaker Fig

A rock-splitting fig from the monsoon tropics of northern Australia that roots into crevices of sandstone cliffs and gorges and grows into a much-branched tree up to 13 m tall. It has sparse, pendulous, dull grey-green foliage and small yellow to red figs. It is closely related to Ficus platypoda. Grow it like a sun-loving lithophytic fig: full sun, a lean gritty mix, heavy watering in the wet season and a much drier winter.

At home, aim for
Day Warm-growingTargets in Plantistry
Night Close to the dayTargets in Plantistry
Humidity Dry airBand in Plantistry
Light Full sunDLI and PPFD in Plantistry
Expects a seasonal restGrows on rock (lithophyte)

Where it grows wild

The Flora of Australia describes it as often lithophytic, growing in crevices of sandstone rocks and cliffs and over rocks, on rocky soil in deciduous scrub, monsoon forest edges and rocky open woodland. Herbarium labels in GBIF mention sandstone escarpments and gorge bases in the Top End. Roots follow cracks deep into the rock, which gives it the name rock breaker.

Mostly lowland. The few GBIF records with an elevation give about 80–250 m, on sandstone plateaux and escarpments of the Top End, the Kimberley and the Gulf country.

Northern TerritoryWestern AustraliaQueensland

🔒 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.