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Nephrolepis

Common name: Boston fern · Sword fern

Nephrolepis A genus of roughly 30 ferns in the family Nephrolepidaceae, native to tropical and subtropical regions around the world. Their arching, feathery fronds made them one of the classic Victorian houseplants, and the Boston fern remains a staple of hanging baskets today. They like bright indirect light, high humidity, and soil that stays lightly moist.

Care summary

Sun Indirect light to partial shade
Water Keep consistently moist; high humidity
Soil Rich, well-draining, slightly acidic
Hardiness
Mature height
Pet safe

Fun facts

  • The Boston fern cultivar was discovered in 1894 among a shipment of sword ferns sent to Boston — hence the name.
  • Like all ferns, it reproduces by spores produced in rows on the undersides of its fronds.
  • Boston ferns were a fixture of Victorian parlors and remain classic hanging-basket plants.
  • Dropping leaflets are usually a cry for more humidity or water, making it a good indoor humidity indicator.

Common problems

    • Mist fronds or use a humidifier
    • Keep plant away from heating vents
    • Stand pot on a pebble tray
    • Let top inch of soil dry
    • Use a pot with drainage holes
    • Repot into fresh airy mix
    • Wipe pests off with soapy water
    • Treat with neem oil spray
    • Isolate plant until pests gone
    • Move to bright indirect light
    • Avoid harsh direct midday sun