The Calathea albertii has large, ovate leaves, which are deep green with striking purple undersides. The upper surface often has a mix of rich green shades with intricate veining. The underside of the leaves is typically a deep purple color, adding to the contrast and beauty of the plant.
Light
Prefers bright, indirect light.
Can tolerate low light but may lose some vibrancy in its variegation.
Avoid direct sunlight, which can scorch its delicate leaves.
Water
Keep the soil consistently moist but not waterlogged.
Water when the top inch of soil feels dry.
Use lukewarm, filtered, or distilled water to avoid leaf browning from minerals.
Humidity
Thrives in high humidity (60% or more).
Increase humidity with a pebble tray, humidifier, or regular misting.
Temperature
Prefers temperatures between 18-27°C.
Avoid cold drafts or temperatures below 15°C.
Soil
Use a well-draining, peat-based potting mix.
Ensure the soil retains moisture without becoming waterlogged.
Fertilisation
Feed with a balanced, diluted liquid houseplant fertiliser every 4 weeks during the growing season (spring and summer).
Reduce feeding during fall and winter.
Repotting
Repot every 2-3 years or when the plant becomes root-bound.
Use a pot with good drainage and fresh soil.
Pruning
Remove yellowing or damaged leaves to maintain its appearance.
Regular trimming encourages bushier growth.
Propagation
Propagate through division during repotting.
Gently separate clumps of the plant, ensuring each section has roots attached, and replant in fresh soil.
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