Cast iron plant care guide
Aspidistra elatior
Also known as: Bar-room plant, Aspidistra
Pets and children
We haven't been able to confirm how this plant affects pets or small children. If any is eaten, consult a veterinarian or a doctor.
How often to water Cast iron plant
- Spring–Summer (Mar–Sep)
- Every 7 days
- Water thoroughly about two to three days after the topsoil dries; it copes with drought but dislikes soggy soil.
- Autumn (Oct–Nov)
- Every 10 days
- Once it cools, wait roughly four to five days after the soil dries.
- Winter (Dec–Feb)
- Every 14 days
- Water sparingly about a week after the soil dries, and even less for plants kept outdoors.
Light and placement for Cast iron plant
Generally suited to bright or even deep shade, such as a north window or an entryway out of direct sun; sunlight scorches the leaves brown, and outdoors it belongs under trees or on the north side of a building.
Overwintering Cast iron plant
Overwintering guide: −5°C (23°F) or above
Hardy enough to winter outdoors, generally taking around −5°C without leaf damage, though hard frost and cold wind mark the tips; indoors, water less and keep it out of heater drafts.
Fertilizing and repotting Cast iron plant
Fertilizer
A slow grower that needs little: slow-release fertilizer about every two to three months from April to September; variegated forms lose their pattern if overfed, so generally feed lightly.
When to repot
Spring–Summer (Mar–Sep)
Common problems with Cast iron plant
- Direct sun scorches the leaves, leaving brown patches.
- Overwatering rots the roots and the leaves turn yellow.
- In dry indoor air spider mites and scale insects settle in and the leaves look scratched.
Tips for growing Cast iron plant
- It grows slowly, adding only a few leaves a year, so be patient.
- Wipe the broad leaves with a damp cloth to clear dust and let in more light.
- When the clump gets crowded, divide the rhizomes in spring.
These are AI-generated general guidelines. They vary with the variety, the placement and the pot size. For effects on pets or children, consult a veterinarian or a doctor.
Keep your plant log going
Greenery is a free app that keeps your plant care going, with watering reminders and photo records. Available on iOS and Android.
