Soil should consist of 2 parts peat moss to 1 part loam to 1 part sand or perlite. Water evenly throughout the year, less frequently in winter. Never allow the soil to dry out. Fertilize every other week in the growth period with a balanced fertilizer. Repot every other year or as needed.
Humidity is essential for growing ferns.
If your surroundings are not humid, mist the plant several times per day. Polypodium aureum is relatively easy to grow from spores. The ripe spores can be collected on a piece of paper placed under spore bearing fronds. Sow spores on damp peat moss in late winter. They germinate best at a temperature of 68-70 degrees.