Causes with treatment of Yellow Spots on Calathea Leaves
Yellow Spots on Calathea Leaves: Causes and Treatments
Yellow spots on Calathea leaves can be caused by various factors. Here are some common causes and their solutions:
- Overwatering:
- Symptoms: Yellowing leaves, especially the lower ones.
- Solution: Allow the top inch of soil to dry out before watering again. Ensure the pot has adequate drainage.
- Underwatering:
- Symptoms: Brown, crispy leaf tips and yellowing leaves.
- Solution: Water the plant regularly, but avoid overwatering. Check the soil moisture regularly and water when the top inch of soil feels dry.
- Low Humidity:
- Symptoms: Brown, crispy leaf edges and yellowing leaves.
- Solution: Increase humidity around the plant by misting it regularly or using a humidifier.
- Nutrient Deficiency:
- Symptoms: Yellowing leaves, especially between the veins.
- Solution: Fertilize the plant with a balanced liquid fertilizer diluted to half strength during the growing season.
- Pests and Diseases:
- Symptoms: Yellowing leaves, discolored spots, or visible pests like mealybugs or spider mites.
- Solution: Inspect the plant regularly for pests and diseases. Treat infestations with appropriate insecticides or fungicides.
- Sunburn:
- Symptoms: Large, brown, leathery spots on the leaves.
- Solution: Move the plant to a location with bright, indirect light. Avoid direct sunlight.
Additional Tips:
- Water Quality: Use filtered or distilled water to avoid mineral buildup on the leaves.
- Pot Size: Ensure the pot is not too large or too small for the plant.
- Temperature: Maintain a consistent temperature between 65-85°F (18-30°C).
- Avoid Drafts: Avoid placing the plant near drafts or air conditioning vents.
By addressing the underlying cause, you can help your Calathea recover and thrive.
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