How to Care for Boston Fern Houseplants?

The Boston Fern is an air purifier. Its simple and hassle-free maintenance has made it a very suitable choice for the interior of homes and offices. Originally native to the tropics of South America, this plant, with its green leaves, gives an indescribable calm to the environment that we rarely see in plants. Continue reading this article in TooPlant in order to learn more about Boston Fern houseplants and the basic care of them.

Introduction of Boston Fern Houseplants

Name: Boston Fern

Family: Nephrolepidaceae

Native: South America, Tropical regions throughout the world

Common name(s): Nephrolepis exaltata, Sword Fern

Nephrolepis exaltata (Boston Fern)

The Boston Fern loves heat and humidity. Does not like to be exposed to heating/cooling devices. In winter, because the plant is not growing, you can reduce the amount of watering, but never let it tolerate drought.

Try to meet all the needs of the plant, in the same way, then you can be sure that the beautiful fern will compensate all your efforts with its excellent growth. The main secret of caring for all plants is not to focus solely on one factor (for example, receiving a lot of light) and to pursue all the factors involved in plant growth in a harmonious and uniform way.

In this article, we want to provide you with information about how to care for Boston Fern houseplants, so stay tuned with Tooplant.

Care for Boston Fern Houseplants

After the introduction, we will address the method of caring for a Boston Fern:


If you keep Boston Fern at home, they need bright but indirect sunlight. A fern that is outside the house prefers to have some shade. Of course, some types of ferns can also tolerate direct sunlight. But in general, filtered light is suitable for them. The best condition for this plant is near a shade in a bright environment. But this plant is stronger than these words and lasts in more or less light.

Care for Boston Fern Houseplants


In the rest, concerning the tips of caring for a Boston Fern houseplant, it is better to know that It is very important to always keep the roots of this fern moist. If the fern is in a dry climate, water it about twice a week and allow the soil surface to dry slightly between waterings. Never spray water on the leaves and stems of this plant as it will destroy the leaves.

How to water the Boston Fern in spring and early fall on a daily basis, water the plant to the point where excess water comes out of the pot. On cold winter days, reduce watering to twice a week, as cold weather prevents potting soil moisture from evaporating and the plant needs less water.

In general, to water a Boston Fern flower, keep in mind that as soon as the soil surface of the pot dries, water it. When watering, care must be taken not to spill water on the leaves of the plant, and to pour it directly on the soil of the pot.

Sword Fern


The ideal soil for Boston is light, rich soil with organic compounds. As a result, the potting soil will be suitable for it. Make sure the soil is well drained. If drainage is not suitable, the roots will rot. The first signs of this unfortunate event are the fall of the leaves or the appearance of sticky and watery spots on them. Choosing soil that contains large amounts of organic fiber is very beneficial for the plant.

So it can be said that soil is another basic and important issue in caring for Boston Fern houseplants.

Introduction of Boston Fern


In the reminder, concerning the tips of caring for a Boston Fern houseplant, it is better to know that Boston ferns can withstand temperatures below ten degrees Celsius in critical situations. Temperature tolerance below this limit can be achieved for several hours. The best temperature range for it is between 15 and 24 °C.


When we talk about caring for Boston Fern houseplants, we inevitably think of humidity. Boston ferns that are kept at home need a humidity above 80%. If you feel the air in the house is dry, you should moisturize it regularly.

The air around the plant should always be moist. So keep it away from radiators. The best place for a Boston fern is the bathroom or kitchen.

Caring for Boston Fern houseplants


In what follows, concerning the methods of caring for a Boston Fern, we will address how to fertilize this plant:Care for Boston Fern Houseplants

During the growing season, fertilize the plant with liquid fertilizer or smart fertilizer. If you are not satisfied with the growth and appearance of your ferns, you can increase the fertilizer to an acceptable level. Do not forget to moisten the soil well before fertilizing.

To increase the freshness and greenness of the Boston Fern, you can add a tablespoon of salt to three liters of water and add one to the plant soil once during the growing season.


Boston Ferns are completely safe for pets and children.

How to Repot Boston Fern houseplants? (Essential tips for repotting Sword fern)

In the spring, you should change the soil in Boston Fern house plant, even if it is not out of the size of the pot and you do not need to change the soil. Plant it again in clean, fresh, compost-rich soil.

One of the most common signs of a plant need to change pots is overgrowth or wilting of leaves. So always monitor it and follow its signs. Failure to replace the Boston Fern pot may result in the death of the fern.

Soil replacement is the best opportunity to divide this plant. You can easily have more plants or give them as gifts to your loved ones!

How to Repot Nephrolepis exaltata houseplants?

How to Propagate Nephrolepis exaltata (Boston Fern)?

Boston ferns are very easy to propagate. When changing the soil in the spring, divide the plant roots. Even small parts will take root, as long as you take good care of them. (That is, provide enough heat and moisture for it.) Make sure each section contains healthy parts of the root.

Another way to propagate Boston ferns is to use their spores; Well, this is a specialized and difficult method.

Caring for Boston Fern houseplants: Common Diseases

After a description of care for Boston Fern houseplants, we will explain the problems and their solutions:

Why Are Boston Fern Leaves Turning Yellow?

Leaf age: Older leaves eventually dry out and die.

Improper watering: Boston Ferns need a lot of water. Although they can tolerate drier conditions than other ferns, they should be watered every time fresh surface soil begins to dry out. Wet the plant soil thoroughly so that water does not fall from below. If you are doing this, but it still acts like it is dry, your fern may be large and you will need to put it in a larger pot or in several pieces.

Improper humidity: Indoor humidity is often extremely low. Finally, Boston Ferns are native forest dwellers that need a lot of moisture to survive. Maintaining an ideal 40 to 50 percent humidity for ferns throughout the year can be difficult.

If there is a problem, this method will help you to keep the plant moist by placing the Boston fern in a large pot covered with peat or vermiculite and watering it, which will cause a lot of moisture keep around your plant.

Soluble salts: Chemical fertilizers are only needed in very small amounts, even in doses of 10-5-10 per month, even during heavy growth. When you fertilize normally, unused nutrients are created in the soil. You may notice white crusts on the surface of the soil, or your ferns may turn brown and yellow in isolated areas. Either way, the solution is simple. Wash the soil again and again to dissolve all the excess salt and fertilize the Boston Fern in the future.

Infographic of Care for Boston Fern Houseplants

In this article, we tried to explain to you in an infographic the essential tips in the care of Boston Fern houseplants, so that you can briefly and usefully learn the methods of caring for this plant.

Infographic of Care for Boston Fern Houseplants

In this article, we tried to provide you with the necessary information about the methods of caring for a Boston Fern houseplant. However, if you have any questions regarding this indoor plant or you need to get advice from our houseplant experts, please share your questions with us through the comments section below.

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