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How to grow healthy indoor ferns 
Follow these tips

How to grow healthy indoor ferns 

Aug 05, 2025
02:30 pm

What's the story

Popular for their lush, green foliage, ferns are commonly used as indoor plants. They can thrive in a number of environments, but keeping them healthy can be tricky. It is important to understand their specific care needs. Here, we look at the essentials of light, humidity, and watering, which are critical to keeping ferns vibrant indoors. Here's how you can keep them healthy.

Light needs

Understanding light requirements

Ferns ideally prefer indirect light, as direct sunlight can scorch their delicate fronds. Ideally, place them near a north or east-facing window. If natural light is sparse, you can use fluorescent lights to make up for it. Do keep an eye on the plant's response; if the leaves start yellowing or browning at the edges, it may be getting too much light.

Humidity essentials

Maintaining proper humidity levels

Ferns flourish in humid conditions, just like they would in nature. The air indoors can be pretty dry, particularly in winters when heating systems are operational. To ensure proper humidity around your ferns, consider using a humidifier or keeping a tray of water near the plants. Keeping plants in close proximity could also create a microclimate with higher humidity.

Watering tips

Watering techniques for healthy growth

As ferns need consistently moist soil without being waterlogged, proper watering is critical for their health. Ideally, you should water them when the top inch of soil feels dry to touch, but avoid letting them sit in standing water, which can cause root rot. Room temperature water prevents shocking the plant's roots.

Soil and pots

Choosing suitable soil and containers

Choosing the right soil and containers is essential when it comes to fern care. A potting mix rich in organic matter, such as peat moss or perlite, ensures moisture retention and proper drainage. This prevents the roots from turning soggy, avoiding root rot and ensuring your plant's health and appearance. Use pots with drainage holes to support these conditions, vital for ferns' longevity indoors.