Staghorn Ferns (Platycerium) naturally grow on trees, so they need a loose potting mix based on bark and relatively little mineral or rock. They don’t need high fertility, but aged compost or manure ...

It's worth noting that it is possible to grow staghorn ferns in pots, too. The best potting soil for this houseplant is sphagnum moss and orchid bark. Provide your staghorn fern divisions with ...