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Aspidistra elatior

Common name: Cast iron plant · Bar-room plant

Aspidistra elatior is an evergreen perennial native to Japan and Taiwan, with glossy, dark green, lance-shaped leaves rising directly from underground rhizomes. It is legendary for tolerating deep shade, neglect, drafts, and irregular watering.

Care summary

Sun Low light to shade; avoid direct sun
Water Sparse; let soil dry between waterings
Soil Any well-draining potting mix
Hardiness Zones 7–11
Mature height Up to 60–90 cm (2–3 ft)
Pet safe Non-toxic to cats and dogs
Difficulty Easy
Propagation Propagate by rhizome division. At repotting, cut or pull the rhizome into sections each with a few leaves and healthy roots, then pot them in ordinary potting mix and keep just moist while they settle.

Fun facts

  • Its 'cast iron' nickname comes from its near-indestructibility as a houseplant.
  • Its small, fleshy, purple-brown flowers bloom at soil level and are pollinated by ground-dwelling creatures.
  • It was immensely popular in Victorian homes because it survived gas fumes and dim rooms.
  • Variegated cultivars with white-striped leaves are highly prized in Japan.

Common problems

    • Let soil surface dry between waterings
    • Trim brown tips with clean scissors
    • Keep out of hot dry drafts
    • Wipe scales off with damp cloth
    • Treat with insecticidal soap
    • Repeat treatment every week
    • Rinse foliage under the shower
    • Raise humidity around the plant
    • Move plant away from windows
    • Provide shade or filtered light