Boston ferns (Nephrolepis exaltata “Bostoniensis”) are a popular indoor plant. They are known for their lush, green foliage and ability to tolerate low light conditions.
Boston ferns can also be used outdoors in shady areas, but how cold can they tolerate? In this comprehensive guide, we will explore the hardiness of Boston ferns and provide tips on how to keep your plants healthy during winter.
How Much Cold Can a Boston Fern Tolerate?
Boston ferns are hardy plants and can tolerate temperatures as low as 20 degrees Fahrenheit (-29 degrees Celsius). However, for optimal growth, it is recommended to keep Boston ferns between 50-70 degrees Fahrenheit (15-21 degrees Celsius). If the temperature drops below freezing, your plants may experience leaf damage or death.
How to Protect a Boston Fern From Cold?
If you live in a cold climate, there are a few things you can do to protect your Boston ferns during winter. One option is to move your plants indoors. Another option is to cover your plants with a frost blanket or bubble wrap. If you choose to cover your plants, be sure to remove the covering when the temperature rises above freezing.
Bring Them Inside
If you are unable to protect your plants from the cold, don’t worry! Boston ferns can be successfully grown in a pot and brought indoors during winter. Just make sure to water your plants regularly and keep them in a sunny location.
What temperature should you bring a Boston fern inside? Boston
Boston ferns can tolerate a wide range of temperatures, but it is best to keep them between 50-70 degrees Fahrenheit. Anything less than that, and it’s best to bring it inside.
Fertilize Your Plants
Boston ferns need fertilizer to stay healthy during winter. You can either use a liquid or solid plant food. Be sure to follow the instructions on the package and feed your plants once a month.
When Can I put my Boston Fern Outside?
You can put your Boston ferns outside when the temperature reaches 50 degrees Fahrenheit (15 degrees Celsius). This will be in late spring or early summer. Be sure to water your plants regularly and keep them in a shady area, as they do not like direct sunlight. You may also want to fertilize them every month during this time of year.
What are Some Other Cold Tolerant Ferns?
There are a number of cold tolerant ferns that can be grown in colder climates. Some popular options include:
– Asparagus Fern (Asparagus densiflorus)
– Maidenhair Fern (Adiantum pedatum)
– Boston Sword Fern (Nephrolepis exaltata “Bostoniensis”)
– Japanese Holly Fern (Cyrtomium falcatum)
How Cold Can Boston Ferns Tolerate?: Conclusion
In conclusion, Boston ferns can tolerate cold temperatures as low as 20 degrees Fahrenheit (-29 degrees Celsius). However, for optimal growth, it is recommended to keep them between 50-70 degrees Fahrenheit (15-21 degrees Celsius).
If the temperature drops below freezing, your plants may experience leaf damage or death. You can protect your plants from the cold by covering them with a frost blanket or bringing them inside.
Do you have any questions about how cold can Boston ferns tolerate? Let us know in the comments below!