Cast Iron Plant
Aspidistra elatior
An exceptionally tough foliage plant that tolerates deep shade, neglect and poor conditions, hence its name. It forms clumps of broad, glossy, dark green lance-shaped leaves.
- Light
- Low to medium indirect light
- Water
- Water when topsoil dries
- Difficulty
- Easy
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Overview
The Cast Iron Plant is renowned for surviving where almost nothing else will: dim corners, irregular watering, drafts and temperature swings. This durability made it a Victorian parlor staple and earned it the nickname "bar room plant."
It is a slow-growing, clump-forming perennial that sends up long, leathery, dark green leaves directly from underground rhizomes. While it will never grow fast, it is one of the most reliable, long-lived and forgiving houseplants you can own.
How to identify it
Look for upright clumps of large, glossy, strap-shaped dark green leaves rising from soil level.
- Leaves: broad, lance-shaped, leathery, deep green, 30 to 60 cm long, each on its own stalk
- Habit: clumping, spreading slowly by rhizomes; 60 to 90 cm tall
- Flowers: small, dull purple, cream-flecked blooms borne at soil level, rarely seen indoors
- Variegated forms: some cultivars have white stripes or spots
Care & growing
Tolerates low to medium indirect light, including dim corners; avoid direct sun, which scorches the leaves.
- Water: let the top of the soil dry between waterings; it tolerates occasional neglect better than overwatering
- Soil: any well-draining potting mix
- Temperature: very adaptable, roughly 7 to 27 C
- Feeding: light feeding once or twice in spring and summer; it grows slowly
- Propagation: divide the rhizome clump at repotting
- Note: wipe dust from leaves to keep them glossy
Habitat & origin
Native to the shaded forest floors of Japan and Taiwan, where it grows in deep shade under dense canopy, an origin that explains its remarkable tolerance for low light. It is grown worldwide as a houseplant and, in mild climates, as a hardy evergreen groundcover for difficult shady spots.
Frequently asked questions
Can it really survive in a dark corner?
Yes, it tolerates low light better than almost any houseplant, though it grows faster in brighter indirect light.
Why is my cast iron plant growing so slowly?
Slow growth is normal for this species. Patience, steady warmth, and modest feeding in spring and summer help.
How often should I water it?
Only when the top inch or two of soil has dried out. It tolerates dryness far better than soggy roots.
Cast Iron Plant guides
In-depth guides for identifying, growing, and caring for Cast Iron Plant.
How to Care for Cast Iron Plant
Grow the near-indestructible Cast Iron Plant for glossy upright foliage in low light; it forgives neglect and shade.
Cast Iron Plant Identification Guide
Identify the Cast Iron Plant (Aspidistra elatior) by its tall, leathery dark-green blades rising straight from the soil and its famously tough, shade-loving nature.
