🌿 Calathea Medallion – How to Grow
Calathea Medallion (Goeppertia roseopicta ‘Medallion’) is a beautiful tropical foliage plant with large, round leaves. It grows very well in pots indoors or in a shaded balcony/nursery area.
☀️ Light
- Give bright, indirect light.
- Avoid direct afternoon sunlight—it can burn the leaves.
- A little gentle morning sunlight is usually fine.
- Too little light can make growth slower and leaves less attractive.
💧 Watering
- Keep the soil slightly and consistently moist, but never waterlogged.
- Water when the top 1–2 cm of soil feels slightly dry.
- During hot weather, it may need watering more frequently.
- Reduce watering during cooler periods.
- Make sure the pot has good drainage.
Tip: Calatheas can be sensitive to hard or heavily chlorinated water. Rainwater, filtered water, or water that has been allowed to sit can be better if you notice brown leaf edges.
🌱 Best Potting Mix
Use a loose, airy mix such as:
- 40% cocopeat
- 25% coco chips or orchid bark
- 20% compost/vermicompost
- 15% perlite or coarse sand
The goal is a mix that holds some moisture while allowing excess water to drain quickly.
🌡️ Temperature & Humidity
Calathea Medallion prefers warm and humid conditions.
- Ideal temperature: roughly 18–30°C
- Keep away from cold drafts and strong AC airflow.
- Aim for 50–70%+ humidity if possible.
- Grouping plants together can naturally increase humidity.
🌿 Fertilizer
During active growth, feed about once every 3–4 weeks with a diluted, balanced liquid fertilizer.
Don’t over-fertilize—the roots are relatively sensitive.
🪴 Repotting
Repot when:
- Roots are filling the pot.
- Water runs through the pot extremely quickly.
- Growth has slowed considerably.
Move to a pot only 2–5 cm wider than the existing pot rather than using a very large pot.
✂️ Leaf Care
- Remove completely yellow or badly damaged leaves from the base.
- Wipe dusty leaves gently with a soft, damp cloth.
- Don’t use leaf-shine products.
- Brown edges usually indicate low humidity, inconsistent watering, salt buildup, or unsuitable water.
🌱 Propagation
Calathea Medallion is generally propagated by division.
When repotting:
- Remove the plant carefully.
- Separate natural clumps with their roots attached.
- Plant each division in a small pot.
- Keep them warm, humid and in bright indirect light.
- Avoid heavy fertilizer until new growth appears.










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