Troubleshooting Tips & Solutions
Brown, dry, or crispy tips on your fern? Don’t worry—you’re not alone. Ferns are stunning indoor plants, but they can be sensitive and often show signs of stress through browning leaves. This guide will walk you through the most common reasons why your fern may be struggling and how to fix the issue naturally and effectively.
Common Causes of Fern Brown Leaves
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Low Humidity
Ferns love humidity. If the air is too dry, especially during winter or in centrally heated homes, their fronds can develop brown, crispy tips.
Solution:
Mist your fern regularly using clean water
Group your plants to create a microclimate
Use a humidity tray or a humidifier nearby
Too Much Direct Sunlight
Ferns thrive in bright, indirect light. Too much sun scorches the leaves and causes discolouration.
Solution:
Move your fern to a spot with filtered light
North or east-facing windows are ideal
Avoid placing it near radiators or hot windowsills
Overwatering or Poor Drainage
On the flip side, soggy soil leads to root rot and brown, limp leaves.
Solution:
Ensure your pot has drainage holes
Use a free-draining, peat-free fern mix like our Highland Moss Houseplant Mix
Water only when needed—don’t follow a strict schedule
Chemical Sensitivity
Ferns are sensitive to chemicals found in tap water and some fertilisers.
Solution:
Use rainwater or filtered water if possible
Choose organic, gentle liquid fertilisers
Flush the soil occasionally to remove built-up minerals
Underwatering or Inconsistent Watering
Ferns dislike drying out. If you forget to water or let the soil dry too much, the fronds will respond with browning edges and tips.
Solution:
Keep the soil evenly moist (not soggy)
Use your finger to check moisture and water when the top 1–2cm feels dry
Avoid letting the pot sit in water
Prevention Tips to Keep Your Fern Healthy
Trim damaged fronds with clean scissors to encourage new growth
Avoid moving your fern frequently—consistency is key
Feed once a month during spring and summer with a mild organic fertiliser
Choosing the Right Environment
Creating a stable environment is crucial. Bathrooms, kitchens, and shaded terrariums can be ideal places for ferns as they naturally offer higher humidity levels.
When Brown Leaves Are Natural
It’s normal for older fronds to age and brown slightly over time. If only one or two are affected and new growth looks healthy, there’s no need to worry.
Final Thoughts
Browning leaves don’t mean your fern is dying—but it is trying to tell you something. With a few adjustments to your care routine and environment, your plant can bounce back beautifully. Remember to always use natural, eco-friendly care products when buying from trusted, responsible sellers who inspect their plants and use organic methods can also reduce the chance of hidden issues. While ferns from supermarkets or large garden centres may seem cheaper, it’s worth investing in a healthy, pest-free plant.
