Nephrolepis is an evergreen fern of medium-small size, native to eastern Asia and Oceania, widespread in areas with a tropical climate. It produces large tufts, consisting of long, rounded, triangular-shaped fronds; each frond is composed of small parallel, ribbon-like leaves, which decrease in size from the base of the frond to the apex, light green in color, with jagged and slightly curled margins. The young fronds develop first rolled up and unroll as they grow. Depending on the species the fronds of Sword they can be from 25 to 80-90 cm long; they are arched and give rise to round bushes, very suitable to be grown in hanging baskets. Easy to grow fern, it is widely used as a houseplant, also because it seems to be very useful as it seems to absorb the harmful substances released by solvents, paints and household appliances.
The Nephrolepis can't stand the cold weather, and cannot bear minimum temperatures below 10-12 ° C, therefore they can be placed outside only during the mild spring and summer days. Like most ferns, they love shade, so they are grown in a medium bright place, but away from direct sunlight which could irreversibly damage the leaves of our Boston fern.