Moonlight Fern
The Moonlight Fern, or Selaginella spp., is one of the most beloved houseplants. This delicate perennial herb is known for its soft, evergreen foliage and easy-to-care-for nature. It falls into the spikemoss family, though it is much more delicate and enjoys slightly different conditions than other Selaginella varieties. Moonlight Fern is perfect for a bright corner of any room and requires little effort to excel. To keep the plant healthy, regular irrigation and an occasional misting are necessary
Moonlight Ferns need to be kept consistently moist, rarely allowing the roots to dry out completely. Misting frequently will help keep the plant happy, especially during the hotter summer months. It is best to water from the bottom and allow the plant to absorb the necessary moisture. Moisture should drain quickly from the container, otherwise waterlogging can occur.
Moonlight Ferns thrive in bright indirect light, but avoid direct sunlight as it can scorch its foliage. The plant can survive in lower light levels, but will not be as full or as vibrant as when it is exposed to brighter lighting. Avoid dark corners as Moonlight Ferns require the right amount of light to thrive.
Moonlight Ferns are tough plants and can handle temperatures up to 75°F (24°C). In cooler temperatures keep Moonlight Fern above 48°F (9°C) for optimal growth and health. Move plants away from heat sources and drafts to ensure it does not become too hot or too cold.
Moonlight Ferns enjoy high humidity. They are often found growing in humid, tropical climates. To mimic the environment, use a humidifier or place the plant on a moistened pebble tray. Keep the soil moist to increase the humidity and misting often will help keep the humidity levels high.
Moonlight Ferns prefer soil that is loamy and slightly acidic with pH levels between 6.0 and 6.5. Use a light potting mix with some added sand or perlite to help with drainage. Avoid soil mixes with too much peatmoss, as it can be very compact and cause root rot.
Fertilizing Moonlight Ferns should be done in the spring each year, using a well-balanced fertilizer with an N-P-K value of 10-10-10, or something slightly lower. Make sure the fertilizer is diluted to half strength and only feed the plant every four weeks. Over fertilizing can cause salt buildup and damage the roots.
Moonlight Ferns may be prone to pests, specifically mealybugs, spider mites, and scale. Mealybugs can be identified by their cottony appearance and can easily spread throughout a large plant. Spider mites have a web-like appearance and can become a major issue quickly. Scale can be difficult to identify; they crawl around and don't move like most other insects. All pests can be treated with diluted neem oil or insecticidal soap that is sprayed directly onto the affected foliage. Make sure to give the plant a good wash with warm water and let the foliage dry before applying any oil or soap.
Moonlight Ferns should be repotted every 1-2 years, either in the spring or in the fall. First, loosen the soil around the plant, then gently remove from the container. Place in the new pot and fill the extra space with fresh potting soil. Make sure the soil is kept damp while repotting.
It is not necessary to prune Moonlight Ferns, but if they need to be trimmed or shaped, it can be done with sharp pruning shears. Remove any damaged, discolored, or dead foliage to keep the plant aesthetically pleasing, and to reduce any disease that may be present.
Using a high quality mulch is recommended for Moonlight Ferns, as it helps to keep in moisture, and helps to keep the soil temperature consistent. Make sure to use an organic mulch, such as pine bark chips or chopped leaves.
Propagation of Moonlight Ferns can be done by taking stem tip cuttings and placing them in a moist potting mix. Be careful not to damage the foliage while taking the cuttings. Keep them in an area with bright indirect light and high humidity. The cuttings should begin to show new growth in 3-4 weeks. Rooting hormone can be used for quicker results.
Because of its thin, delicate foliage Moonlight Ferns do require some kind of support, though they are not heavy plants. A wooden or bamboo stake can be used and covered with moss to keep it stable. Alternatively, you can use an adjustable trellis.
Moonlight Ferns are sensitive to changes, specifically the amount of light and water they receive, so it's important to provide them with a rest period in the winter. The plant can go into hibernation, where their watering should be reduced and their lighting should be dimmed. They also may drop some of their leaves during this time, but this is normal and expected.
Moonlight Ferns are not poisonous and are generally safe for cats, dogs and humans. However, it is advisable to keep all houseplants out of reach of companion animals as they may tear and chew on them, resulting in oral irritation.
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