Insects can often be removed by hand picking or by a brisk water spray outside. Ferns may develop brown leaves or leaflets at low humidity. This is especially common on ferns with thin, delicate fronds, such as maidenhairs. Day temperatures of 60 to 70 F and night temperatures of 50 to 60 F. High humidity of about 50 percent is needed. Keep the soil moist at all times.
Maidenhairs are difficult to grow in most homes.
Maidenhair ferns are graceful and delicate in appearance, with tiny leaflets cascading along black wirelike stems. The fan maidenhair has fan-shaped leaflets, which sometimes overlap. The southern maidenhair fern has exceedingly delicate fronds. Grows to 18 inches tall Prefers the light of a north window. Keep the soil moist.