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Boston Fern (Nephrolepis Exaltata)

Nephrolepis Exaltata is a tropical species of sword fern in the Lomariopsidaceae family. It is most commonly known as Boston Fern and makes for a great indoor plant. For this particular reason, many hobbyists use it as an ornamental plant inside of their vivarium.

Quick Stats:

Scientific Name: Nephrolepis Exaltata

Family: Lomariopsidaceae

Common Names: Boston Fern, Boston Sword Fern, Wild Boston Fern, Boston Blue Bell Fern, Tuber Ladder Fern, Fishbone Fern

Habitat: Tropical Rain Forest

Height: 4 Feet Tall

PH Range: 5.0 to 5.5

Temperature: 60°F to 75°F

What Is Boston Fern?

Boston fern is a plant that belongs to the Nephrolepis genus under the order or Polypodiales. As the name suggests, this plant is part of a group of plants called ferns. Ferns are vascular plants that reproduce through spores and don’t have seeds or flowers. Ferns are different from mosses due to them being vascular. This means that unlike mosses, ferns have particular tissues that carry nutrients and water as well as have a dominant sporophyte life cycle phase. Boston fern is a terrestrial plant that can be grown outdoors in temperate climates. However, it is also able to easily adapt itself as a vivarium plant.

Boston Fern (Nephrolepis Exaltata) care guide

Boston Fern Facts

Besides Boston fern, Nephrolepis Exaltata is also commonly known as Boston sword fern, Wild Boston fern, Boston Blue Bell Fern, Tuber ladder fern, or Fishbone fern. Due to its creeping nature, it is usually used as a hanging plant or in similar conditions. This fern is relatively simple to take care of and does not require a whole lot of maintenance. For this reason, Boston Fern is a great plant for beginners to use. Unlike most other ferns, it is a rather tough plant with a higher tolerance for light and water conditions. Nephrolepis is also one of the top-rated plants for removing air pollutants from the air and helping increase humidity.

Description

Nephrolepis Exaltata has wide fronds with alternate pinnae on both sides of the plant’s “stem” also known as the midrib. Fronds are basically the leaf part of a fern and in this plant, they tend to be pale to medium green in color. There are two rows of clumps of spore having organs called sori. The fronds on the Boston fern curve over and can grow up to about 4 ft long. In laymen’s terms, this is a plant with a long stem and lots of small leaves attached on each side. Some people even describe it as having a large feather-like appearance. If Boston fern begins to dry out or die it will develop a brownish/golden color.

Habitat

Nephrolepis Exaltata is a species of plant native to tropical regions all over the world. It is extremely common in Mexico, Northern South America, Central America, Florida, the West Indies, Africa, and Polynesia. Boston fern loves the shady and moist location, which is why it is usually found in swamps and forests. This plant is also known to be seen naturally growing epiphytically on Sabal Palmetto trees. The Boston fern will attach itself to the surface of the palm and survive by absorbing its nutrients and moisture from the air and rain around it. Nephrolepis Exaltata thrives best in 60 to 75 degrees Fahrenheit. However, it can survive temperatures as low as 50 degrees Fahrenheit for short periods of time.

PH Preference

Ferns, in general, prefer shady locations that have an acidic substrate. Soil with a PH of 7 is considered neutral. A PH below 7 is acidic and a PH above 7 is alkaline. Boston fern, in particular, prefers a low PH level of 5.0 to 5.5.

Vivarium Type

This type of fern will do great in a variety of vivarium types. When deciding if rather or not to use this moss in a particular type of enclosure, be sure to go with setups that have tropical/moist terrain areas. Here are recommended vivarium this fern will do well in:

  • Paludariums – Half aquatic/ half terrain-based enclosure.
  • Terrariums – Fully terrain-based enclosure with little to no aquatic features.

Vivarium Placement

Boston Fern is a terrestrial-based plant. Therefore, it should not be placed fully or partially submerged in water. This plant tends to cascade down and make the perfect accentuating tool for decorating a tank. With that in mind, any location higher up in a vivarium is typically preferred. The Boston fern can be placed in a bucket like structure towards the top of an enclosure and allowed to freely hang down. Some hobbyists enjoy using this plant to cover up backgrounds and walls of a tank. The plant can be attached to the surface/ substrate with some kind of thread until it holds on by itself. For optimal growth and health, it will be best to place it somewhere high in humidity.

Substrate

When it comes to the substrate, Boston fern does best in rich, moist, and slightly acidic soil. The proper substrate can make a world of a difference in this plant’s growth and overall appearance. Combining equal parts of garden soil, sand, and peat moss has proven to be an almost perfect mix for Boston ferns. The peat moss will help maintain the soil damp, while the sand provides that much-needed drainage. A lack of appropriate drainage can lead to rotting roots and eventually the plant’s death. Another important thing to keep in mind is to avoid burying the fern’s crown. Doing so will lead to crown rot and the eventual death of the plant as well.

Lighting

Nephrolepis Exaltata prefers bright, indirect sunlight. Although it can still grow with the partial sun in shaded areas, it is not necessarily recommended. Exposing this plant to direct sun for too long will dry or burn it out The perfect lighting scenario would be a bright spot that is not in direct sunlight. This will make for a happy and healthy-looking Boston fern.

Buy Boston Fern

When shopping for possible Boston fern, expect a few key indicators you are buying the best quality plant. The fern should be terrestrial pest-free along with any other type of pest. The source of fern will usually be sold in small or large garden pots, ready for you to propagate. The batch should arrive fairly green and in good shape. Click the image below to find out more about the current price and other relative info of Nephrolepis Exaltata:

Boston Fern Care and Propagation

Nephrolepis Exaltata is a plant that does not require much care and maintenance to see positive progress. As long as the roots have enough room and the plant has adequate care, rapid growth should be expected. Removing dead fronds and periodically trimming a Boston fern will also be extremely beneficial to the plant.

How to grow

The easiest way to propagate Boston Fern will be through the process of division. Divide an existing parent plant into smaller individual chunks. Simply repot the new pieces somewhere else and allow reformation to colonize. The new Boston fern should begin growing in no time. Make sure that each division has a section of healthy roots, which will make the process quicker and easier. Ferns can also be propagated by spore, but this is a harder process that does not always work.

Watering

Most ferns tend to be a little sensitive to watering routines and the Nephrolepis is no exception. The soil this fern is planted in should remain moist pretty much all of the time, except for when the temperature is cooler. In colder temperatures, the plant should only be watered once the soil has dried at the surface. Even though Boston ferns typically require lots of moisture, be sure not to over-water the plant. If the soil becomes, sodden, and completely saturated for long periods of time the fern could die.

Plants Similar To Boston Fern

Adding diversity to an enclosure is key to an aesthetically pleasing enclosure. Try mixing up the look of your vivarium with different flora that can easily co-exist in the same types of environment. Furthermore, if for some reason you find this fern hard to acquire or would like to consider something similar to this plant… Here are some other plants you might find may do well with or in the place of:

African Water Fern (Bolbitis Heudelotii)
Silver Lace Fern (Pteris Ensiformis)
Crocodile Fern (Microsorum musifolium 'Crocodyllus')

Conclusion

There it is. A short and sweet beginner’s guide to owning and caring for a Nephrolepis Exaltata. Whether you are setting up a brand new vivarium or simply revamping an old one, Boston fern is a great choice to go with. Not only is it easy to take care of, but it is also an excellent way to take any enclosure to the next level. This plant’s quick growth and vivid color will help bring life and attention to otherwise neglected areas.