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If you notice white or grayish patches on your nerve plant (Fittonia), it may be affected by mildew. Mildew is a fungal disease that can harm your plant if not treated promptly. Understanding how to identify and manage mildew is essential for maintaining a healthy nerve plant.
Identifying Mildew on Your Nerve Plant
Mildew typically appears as a powdery or fuzzy coating on the leaves, stems, or sometimes the soil surface. It is most common in humid and poorly ventilated environments. The affected areas may turn yellow or brown over time, and the plant’s growth can become stunted.
Steps to Treat Mildew
- Isolate the affected plant. To prevent the spread of mildew, move the nerve plant away from other houseplants.
- Remove infected leaves. Carefully prune and discard the heavily affected foliage.
- Improve air circulation. Ensure your plant is in a well-ventilated area to reduce humidity levels.
- Adjust watering habits. Water your nerve plant only when the top inch of soil feels dry, avoiding excess moisture.
- Apply a fungicide. Use a gentle, organic fungicide such as neem oil or a baking soda solution, following the product instructions.
- Maintain proper humidity. Keep humidity levels moderate; avoid misting the plant excessively.
Preventing Future Mildew Issues
- Ensure good airflow. Space plants adequately and use fans if necessary.
- Monitor humidity levels. Use a dehumidifier or air conditioner to keep humidity below 60%.
- Maintain cleanliness. Remove fallen leaves and debris regularly from the potting area.
- Inspect plants regularly. Check for early signs of mildew or other pests to address problems quickly.
When to Seek Professional Help
If mildew persists despite your efforts, or if the plant shows signs of severe damage, consult a local nursery or plant specialist. They can recommend stronger treatments or diagnose other underlying issues.