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How to keep your indoor ferns healthy

How to keep your indoor ferns healthy

Feb 16, 2026
10:55 am

What's the story

Indoor ferns are a popular choice for adding greenery to homes, but they require specific humidity levels to thrive. Maintaining the right humidity is key to keeping these plants healthy and vibrant. Here are some practical tips on how to create and maintain the ideal humidity conditions for your indoor ferns, ensuring they remain lush and green all year round.

Tip 1

Use a humidifier

A humidifier is an effective tool to increase indoor humidity levels. By adding moisture to the air, it helps create a more suitable environment for ferns. Place the humidifier near your plants but not directly on them, as excessive moisture can lead to mold growth. Adjust the settings according to your room's size and plant needs, usually between 40% and 60% humidity.

Tip 2

Group plants together

Grouping plants together can create a microclimate with higher humidity levels around them. When placed close together, they naturally release moisture through transpiration, benefiting each other by maintaining a more humid atmosphere. This method is particularly useful if you have multiple ferns or other humidity-loving plants in one area.

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Tip 3

Use pebble trays

Pebble trays are an inexpensive way to increase humidity around your ferns. Fill a shallow tray with pebbles and add water until it reaches just below the top of the pebbles. Place your fern pots on top of this tray, ensuring that their bottoms don't sit directly in water. As water evaporates from the tray, it will raise local humidity levels around the plants.

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Tip 4

Mist your ferns regularly

Misting is another simple way to boost humidity for indoor ferns. Use a spray bottle filled with room-temperature water and lightly mist the leaves once or twice a day, depending on how dry your environment is. However, avoid over-misting as it can lead to leaf spots or rot; focus on keeping leaves evenly moist without saturation.

Tip 5

Monitor indoor conditions

Regularly checking indoor conditions is key to keeping humidity levels right for ferns. Use a hygrometer to measure indoor humidity accurately, and adjust it as needed. If natural methods like pebble trays or plant grouping don't work, consider using a humidifier. This way, you can maintain the ideal humidity range of 40%-60% for your indoor ferns.

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