How Boston Ferns Can Survive Winter Coldness

Boston ferns can tolerate temperatures as low as 60°f. Boston ferns are a popular houseplant due to their delicate foliage and stunning appearance.

They are native to the subtropical and tropical regions of the americas. These ferns are known to be relatively hardy, but they do have specific temperature requirements. Boston ferns can tolerate temperatures as low as 60°f, but they prefer warmer conditions, around 70°f to 80°f. When temperatures drop below 60°f, the plant begins to shut down, leading to yellowing leaves and a lack of new growth. On the other hand, high temperatures can cause the plant to wilt and dry out quickly. Therefore, maintaining the proper temperature is crucial for the survival and growth of boston ferns.

How Boston Ferns Can Survive Winter Coldness



Boston ferns are a popular house plant due to their lush greenery and ability to air purify. They are native to tropical regions but can adapt to a variety of climates. When it comes to cold tolerance, boston ferns can survive in temperatures as low as 60°f.

But, they prefer temperatures above 70°f and high humidity levels. Moreover, if exposed to freezing temperatures, boston ferns may suffer from frost damage. Despite this, these ferns can still thrive if placed in the right conditions, making them a great addition to any indoor space.

Temperature Conditions For Boston Ferns

Boston ferns are native to tropical regions and require warm temperature conditions of 60°f to 75°f to grow optimally. Deviations from this range can cause yellowing, leaf loss, or even death. These plants can survive minimum temperatures of 50°f, but prolonged exposure to cold temperatures below 40°f can damage them.

Protect them from draughts and ensure they are in a room that receives bright but indirect sunlight. Keep the soil consistently moist, but avoid overwatering as this can cause root rot. Humidity is essential for boston ferns, so misting the plants or placing a humidifier nearby can maintain optimal conditions.

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Regular fertilization with a balanced fertilizer can keep the plant healthy and promote new growth, but be mindful not to overfeed the plant. With proper care, boston ferns can thrive in your indoor space.

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Steps To Increase Cold Tolerance Of Boston Ferns

Boston ferns are hardy plants, but they still need protection during cold months. Before exposing them, check the weather forecast and avoid freezing temperatures. Soil moisture is essential in protecting ferns from the cold. Water the soil regularly to ensure it is adequately hydrated.

Mulching is another way to protect ferns from frost. Use organic mulch like straw or leaves and apply it thickly around the plant. This will help maintain the soil’s warmth and prevent any freezing damage. By taking the necessary precautions and following these steps, you can increase the cold tolerance of your boston ferns and enjoy their beauty year-round.

Ways To Overcome Damage Caused By Cold Weather

Boston ferns are well-known for their delicate fronds and emerald hue. However, this beauty is often threatened by cold weather. Signs of cold damage include browned or wilted leaves, slowed growth, and mold. If your fern is suffering from the cold, there are some steps you can take to nurse it back to health.

One of the best ways is to move it to a more temperate location, like a warmer room, or to provide it with a heat source. Additionally, you can keep the fern well-watered to keep it hydrated. By taking these actions and monitoring your fern, you can enjoy the verdant beauty of boston ferns for years to come.


Boston ferns are known to tolerate cold temperatures, but how cold can they exactly withstand? Based on our research, boston ferns can tolerate temperatures as low as 60°f, making them perfect houseplants in temperate climates. However, it’s essential to note that temperatures below 55°f can adversely affect the plant and eventually lead to its death.

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Proper placement is crucial in making sure the fern is not exposed to drafts or cold spots. Remember to water it when the soil is dry, and avoid overwatering. Boston ferns are great additions to a home’s aesthetics, and understanding their cold tolerance is vital to ensure their long-term health.

Boston ferns are tolerant to cold but not extremely low temperatures, and proper care is necessary to boost their survival and growth.


After considering all the factors, we can say that boston ferns are hardy plants that can withstand cold weather conditions, but it’s essential to protect them from frostbite and severe cold. It’s recommended to place them in a sheltered spot indoors or outdoors, depending on the severity of cold in your area.

We have discussed various tips and tricks to protect your ferns from the harsh winter, including temperature range, humidity level, watering schedule, fertilization, and pruning. By following these guidelines, you can ensure that your boston ferns stay healthy and vibrant throughout the year.

We hope this article has been informative and helpful in learning about the cold tolerance of boston ferns. With careful planning and attention, you can enjoy the beauty and benefits of these incredible plants for years to come.