The cooler temperatures at night will help to prevent fungus from developing.

If you don’t want to invest in a humidifier, there are other options. You can place your fern in a saucer filled with small stones and water. The water will create humidity as it evaporates.

In the wintertime, the fern is not in “growing season. ” You can be less vigilant about watering it, and it’s actually good to let the soil become dry to the touch before watering again. As new growth appears, start watering the fern more often so that the soil is continuously damp.

During the winter months, you can skip these feedings.

The best time to prune your Boston fern is in the spring or summer, during growing season.