How to Get Rid of Brown Leaf Spots on Indoor Plants: The Complete Guide
Nothing dampens the joy of being a plant parent quite like discovering brown spots on your beloved houseplants. Whether you're nurturing a magnificent Monstera or tending to delicate ferns, brown spots can be concerning. But don't worry - we're here to help you identify and solve these common issues.
Understanding Brown Spots on Houseplants
Brown spots are your plants' way of communicating that something isn't quite right. While they rarely indicate severe problems, addressing them promptly can help maintain your plant's health and appearance. It's important to note that once leaves develop brown spots, those particular areas won't turn green again, but you can prevent further spotting and maintain healthy new growth.
Common Types of Brown Spots and Their Solutions
1. Dry Spots on Leaf Edges (Crispy Tips)
These are perhaps the most common type of brown spots, particularly on moisture-loving plants like Calatheas.
Causes:- Underwatering
- Overwatering
- Low humidity
- Excessive fertilisation
Solutions:
- Check soil moisture by inserting your finger about 2 inches deep
- If bone dry: Increase watering frequency
- If soggy: Reduce watering and ensure proper drainage
- Increase humidity through:
- Using a humidifier
- Placing a pebble tray with water beneath the plant
- Grouping plants together
- Using LECA balls for top dressing
- Consider relocating to naturally humid spaces like kitchens or bathrooms
2. Sunburn Spots
These appear as dark brown, dry patches that look scorched. Even easy-care plants can suffer from sunburn.
Causes:- Direct sunlight exposure
- Water droplets magnifying sunlight
- Sudden changes in light exposure
Solutions:
- Relocate plant to a spot with bright, indirect light
- Use sheer curtains to filter strong sunlight
- Avoid misting plants during sunny periods
- Gradually acclimate plants to increased light exposure