Updated: August 29, 2022

The cast iron plant, scientifically known as Aspidistra elatior, is a hardy and low-maintenance plant that is native to China and Japan. It gets its common name from its ability to survive in conditions that would kill most plants. This makes it a popular choice for indoor and outdoor landscaping.

If you’re planning on growing a cast iron plant, it’s important to understand the different stages of growth it goes through. Here’s what you can expect:

Stage 1: Germination

The first stage of a cast iron plant’s growth is germination. This is when the seed starts to sprout and grow into a small plant. Cast iron plant seeds are typically small and black, and they can take anywhere from two weeks to several months to germinate.

During this stage, it’s important to keep the soil moist but not waterlogged. The ideal temperature for germination is around 70-75°F (21-24°C).

Stage 2: Seedling

Once the seed has sprouted, it enters the seedling stage. This is when the plant starts to develop its leaves and stem. Cast iron plants have long, upright leaves that grow from the base of the plant. The leaves are typically dark green and glossy.

During this stage, it’s important to make sure the plant gets enough light. Cast iron plants prefer bright, indirect light but can also tolerate low light conditions. Keep the soil moist but not waterlogged and avoid over-fertilizing.

Stage 3: Juvenile

The juvenile stage is when the plant starts to mature and develop more leaves. Cast iron plants grow slowly, so this stage can last for several years. During this time, it’s important to keep the soil moist and fertilize the plant regularly.

Stage 4: Mature

The mature stage is when the plant reaches its full size and starts to produce flowers. Cast iron plants are known for their unusual flowers, which grow at the base of the plant and are typically brown or maroon in color.

During this stage, it’s important to continue to fertilize the plant and keep the soil moist. Cast iron plants can live for several decades with proper care.

FAQ

How often should I water my cast iron plant?

Cast iron plants prefer moist soil but can tolerate periods of drought. Water the plant when the top inch of soil feels dry to the touch.

Can I grow a cast iron plant in low light conditions?

Yes, cast iron plants can tolerate low light conditions but prefer bright, indirect light.

How often should I fertilize my cast iron plant?

Fertilize your cast iron plant once a month during the growing season (spring and summer). Use a balanced fertilizer diluted to half strength.

Why is my cast iron plant turning yellow?

Yellowing leaves can be a sign of overwatering or underwatering. Make sure you’re watering your plant correctly and adjust as needed. Yellowing leaves can also be a sign of too much direct sunlight or too little light.

Can I propagate my cast iron plant?

Yes, cast iron plants can be propagated by division. Divide the plant when it becomes too large for its pot or if you want to create new plants.