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Cast Iron Plant

Aspidistra elatiorAlso known as: Bar Room Plant, Iron Plant
The Cast Iron Plant is an incredibly tough, resilient houseplant with dark green, arching leaves that can withstand nearly any condition. Native to Japan and Taiwan, it earned its name from its ability to survive neglect, low light, temperature fluctuations, and irregular watering. Grows 2-3 feet (60-90 cm) tall.
Easy Care
Low Light
Perennial

Quick Care Summary

Light
Low Light
Temperature Range
45-85°F (7-29°C)
Ideal Temp
65°F (18°C)

Seasonal Care Schedule

Adjust your care routine based on the season for optimal plant health.

Watering Schedule

SeasonSchedule
SpringEvery 10-14 days, when top 2 inches (5 cm) of soil are dry
SummerEvery 7-10 days
FallEvery 14-21 days
WinterEvery 21-28 days

Fertilizing Schedule

SeasonSchedule
SpringMonthly with diluted balanced fertilizer
SummerMonthly at half-strength
FallNo fertilizing
WinterNo fertilizing

Pruning

Frequency: Rarely needed
Best Season: Any time
Remove yellowed or damaged leaves at the base. Cut leaves at soil level.

Repotting

Frequency: Every 3-5 years
Best Season: Spring
Prefers being slightly rootbound. Use standard potting mix. Very slow-growing.

Flowering

Season
Rarely indoors, spring in natural habitat
Color
Purple-brown flowers at soil level
Unusual flowers appear at soil surface and are often hidden by leaves. Pollinated by slugs in nature.

Propagation Methods

  • Division of rhizomes in spring
  • Each division should have at least 2-3 leaves

Common Problems

  • Brown leaf tips: Too much direct sun or over-fertilizing
  • Yellow leaves: Overwatering or natural aging
  • Slow growth: Normal - this is a naturally slow grower
  • Bleached leaves: Too much light - move to shadier spot

Pro Tips

  • Perfect for dark corners and north-facing rooms
  • Nearly indestructible - great for beginners or offices
  • Wipe leaves occasionally to remove dust
  • Very slow growing but extremely long-lived

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Cast Iron Plant Care Guide - Watering, Light & Tips | AssistPlant