Sword Fern
Nephrolepis spp.
Also known as
Boston Fern, Boss Fern, Ladder Fern, Boston Sword Fern
Boston Fern (Nephrolepis exaltata) by Mokkie (CC BY-SA 3.0)
Partial Shade
Easy care
Moderate watering
Tender
H1b
RHS hardiness
10°C
Minimum temperature
Expected size
Height | Spread | |
|---|---|---|
1m | Max | 1.5m |
30cm | Min | 30cm |
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Sword Fern Overview
Nephrolepis is a genus containing 22 accepted species of stoloniferous or rhizomatous evergreen ferns in the Nephrolepidaceae family, native to tropical zones worldwide. Commonly know as Sword or Boston Ferns, they have clumps of arching, usually light green, narrow pinnately-divided fronds. In cool climates, they are usually grown under glass or indoors as houseplants and they are said to be effective at cleaning indoor air. Most cultivars are derived from Nephrolepis exaltata, making them very popular as an indoor plant or planted in hanging baskets.
Common problems with Sword Fern
Susceptible to rot in wet conditions.
Sword Fern Companion Plants
Plant in damp shade, with ferns and sub-tropical plants.
How to harvest Sword Fern
Pick the green leaves to use in flower arrangements as needed.
How to propagate Sword Fern
Division
Divide the stolon with leaves attached to form new plants.
Spores
Sow spores as soon as ripe.
Special features of Sword Fern
Attractive leaves
Drought resistant
Can tolerate dry spells.
Indoor plant
Place in bright filtered light and mist when the humidity is low.
Pot plant
Plant in a moisture retaining potting mix, and keep the mix moist.
Wet sites
Will tolerate wet sites, as long as they are not permanently wet.
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