Calathea
Calathea is one of the most popular ornamental foliage plants for homes. Its large leaves with striking patterns and unusual coloring make it a true decoration of any interior. However, it requires attentive care and specific conditions to thrive and maintain its beauty.
Placement
Calathea prefers diffused light. Direct sunlight can cause burns and fading of leaf patterns, so the best place is near east- or northeast-facing windows. On the west side, it is better to keep the plant away from direct glass exposure. Calathea can also grow deeper inside rooms with artificial lighting. It is important to protect it from drafts and sudden air flows.
Watering
Calathea is very moisture-loving. The soil should always remain slightly moist but never waterlogged. In summer, water 2–3 times per week; in winter, 1–2 times. Use soft, filtered, or settled water at room temperature. Hard water can leave white spots on the leaves and damage the roots. High air humidity is essential — regular misting and the use of a humidifier are highly beneficial.
Feeding
From April to September, feed Calathea every two weeks with liquid fertilizers for ornamental foliage plants. In winter, fertilization is rarely required — no more than once every 1.5–2 months, since growth slows down. Regular feeding helps maintain vibrant colors and stimulates the growth of new leaves.
Repotting
Young Calathea plants should be repotted every spring, while mature ones every 2–3 years. Choose a wide but not too deep pot, as its roots spread horizontally. The soil should be loose, moisture-retentive, and slightly acidic. A mix of leaf soil, peat, and sand with added perlite is suitable. A drainage layer at the bottom of the pot is essential.
Temperature
Calathea is a warmth-loving plant and does not tolerate cold. The optimal temperature is +20…+26 °C. If it falls below +16 °C, growth slows, and leaves may curl. Calathea is not frost-resistant — even brief exposure to cold can be fatal. Avoid sudden temperature changes and cold air drafts.
Pruning
Calathea does not require formative pruning, but regular removal of old, dried, or damaged leaves is necessary. This encourages new growth and preserves the plant’s decorative appearance. Pruning should be done with clean, sharp scissors at any time of the year.
Conclusion
Calathea is a refined and striking plant that requires attentive care. It needs bright but diffused light, consistently moderate soil and air moisture, regular feeding during the growing season, repotting every few years, comfortable temperatures, and hygienic pruning of leaves.