Cast Iron Plant Aspidistra elatior
At a glance
- Light
- Low light
- 200–8000 lux
- Water
- Every 10–18 days
- Top 4cm of soil
- Humidity
- 30–60%
- Tolerates dry air
- Temperature
- 7–27°C
- Ideal 16–24°C
- Soil pH
- 5.5–7.5
- well-draining
- Mature size
- 70 cm tall
- 60 cm wide
- Native to
- Japan, Taiwan
- Growth
- Slow
- Upright
Watering calculator
Estimate how often to water your Cast Iron Plant based on pot size, light, and season.
Always check the top 2 cm of soil before watering. Calculator output is an estimate, not a schedule.
Diagnose a problem
Click an issue to see causes and fixes for Cast Iron Plant.
Or use Plant Doctor — AI-powered diagnostic that picks the top 3 most likely causes with family-specific reasoning and step-by-step fixes (photo upload coming soon).
Compare with similar plants
| Trait | Cast Iron Plant Aspidistra elatior | ZZ Plant Zamioculcas zamiifolia | Snake Plant Dracaena trifasciata |
|---|---|---|---|
| Light | Low light | Adaptable | Adaptable |
| Water | 10–18 days | 14–21 days | 14–21 days |
| Pet safe | Pet-safe | Toxic to cats and dogs | Toxic to cats and dogs |
| Difficulty | Very Easy | Very Easy | Very Easy |
| Mature size | 70 cm | 90 cm | 90 cm |
Light requirements in detail
Cast Iron Plant prefers low light (200–8000 lux) . Genuinely low-light tolerant — one of the few plants that thrives in dim corners. Avoid direct sun which scorches leaves.
A spot 1–2 meters from a bright east or south-facing window usually fits this range. Direct afternoon sun through unfiltered glass can scorch leaves; sheer curtains help diffuse it.
Watering in detail
Water Cast Iron Plant every 10– 18 days during the growing season, allowing Top 4cm of soil to dry between waterings. Reduce frequency in winter when growth slows.
This plant tolerates the occasional missed watering — err on the dry side rather than overwater.
Browse plants like Cast Iron Plant
Frequently asked questions about Cast Iron Plant
How often should I water Cast Iron Plant?
Water Cast Iron Plant every 10–18 days during the growing season, allowing Top 4cm of soil to dry between waterings. Reduce frequency by 30–50% in winter.
What kind of light does Cast Iron Plant need?
Cast Iron Plant prefers low light (200–8000 lux). Genuinely low-light tolerant — one of the few plants that thrives in dim corners. Avoid direct sun which scorches leaves.
Is Cast Iron Plant toxic to cats?
Cast Iron Plant is non-toxic to cats according to the ASPCA Animal Poison Control Center. Mild stomach upset is still possible if a cat chews the leaves, but it will not cause poisoning.
Is Cast Iron Plant toxic to dogs?
Cast Iron Plant is non-toxic to dogs according to the ASPCA. Mild stomach upset is still possible if a dog chews the leaves.
How big does Cast Iron Plant grow?
Cast Iron Plant reaches about 70 cm tall and 60 cm wide at maturity. Growth rate is slow.