Rainbow Moss
Rainbow Moss, Selaginella willdenowii, is an aquatic plant that is native to tropical and subtropical parts of Africa, the Americas, and Asia. This unique plant is distinguished by its unusual leaves, which are bright green on top, but a deep burgundy color on the underside. It also produces a fine growth of threadlike leaves that form a carpet-like appearance. It has the ability to survive in constantly wet or dry conditions; however, the plant will contain more vibrant colors if it is kept somewhat wet. Rainbow Moss is often found in ponds, streams, and other moist areas, where it has the ability to make shallow roots and form impressive displays of carpet-like foliage.
Rainbow Moss prefers slightly moist to wet soil and needs to be watered frequently. During the summer months, water the soil regularly and mist the leaves with a spray bottle. During cooler, winter months, the plant should not be over-watered as this can cause rot. Allow the top two inches of soil to dry between waterings to ensure the proper conditions for this plant.
Rainbow Moss thrives in bright, indirect light, and full or part shade conditions. While this plant can survive in full sun or even bright settings indoors, the colors of the leaves may become less vivid over time due to atmospheric conditions. Purple or pink hues, along with the green and silver shades, are the typical colors of this moss. To bring out the intense color, it needs a sufficient amount of light or slightly moist conditions.
Rainbow Moss is best kept in temperatures between 55 to 75 degrees Fahrenheit (13 to 24 degrees Celsius). In higher temperatures, the foliage can become discolored and die, while in lower temperatures the growth of the plant will be stunted.
Rainbow Moss is best kept in higher humidity levels ranging between 50 to 70 percent. Dry climates may prove too harsh for this plant, so adding a humidifier can help maintain the perfect conditions for this aquatic species. Mist the leaves regularly and provide a shallow saucer of water near the plant to help increase the humidity levels.
Rainbow Moss requires soil that is light, evenly moist, and well-drained. A mixture of peat moss, perlite, and log-fiber is great, as well as a combination of two parts peat moss, one part potting soil, and one part sand. Respectively these mixes will provide the proper nutrients, air circulation, and drainage for this aquatic plant.
Rainbow Moss does not require fertilization during its growth period. This plant will thrive best with regular misting and periodic light fertilization. During the spring and summer months, use a diluted liquid fertilizer every two weeks and stop fertilizing in late summer. Avoid over-fertilizing the plant, as this can damage the delicate foliage.
Rainbow Moss can be susceptible to aphids, mealybugs, spider mites, and fungus gnats. To get rid of these pests, start by spraying the leaves with a warm, soapy water mixture. This will kill the pests and discourage them from returning. If it doesn't work, rinse the plant and spray it with an insecticidal soap or neem oil and monitor the plant for a few weeks for re-infestation. In extreme cases, drenching the soil with an insecticide can help combat the pests.
Rainbow Moss doesn't necessarily require repotting, but if you want to propagate the plant, repotting will help. In spring or summer, carefully seperate the plant clumps and replant them in moist soil with a shallow pot. To prevent root rot, use a shallow pot and make sure the roots are not submerged in water or too dry.
The foliage of the Rainbow Moss will almost not require any pruning, as the leaves tend to remain small. If the plant grows too tall and parts become visible, pruning can be done in the spring or summer. Cut away leggy portions and yellow/ browning leaves to keep the plant looking neat and healthy.
Mulching is not necessary for this plant as it prefers a lightly moist to slightly dry environment. Mulching can protect the soil and help retain moisture when dealing with plants that require moist soil.
Rainbow Moss is fairly easy to propagate. Using scissors or a knife, cut the plant into two inch pieces and replant the pieces into moist soil. Plant the pieces around two inches apart and cover them with a thin layer of soil. Keep the soil moist and in about four to six weeks the Moss will have rooted and formed new plants.
Rainbow Moss does not need any sort of additional support, as the thin, long leaves will remain close to the ground. However, in cases of vigorous growth, an elevated platform to keep the plant spread out may be beneficial.
Rainbow Moss does not require a rest period. This aquatic plant tends to experience slowed growth during the winter months, but will return when temperatures rise and light increases.
This plant is not toxic to pets, so it is safe to have around cats and dogs.
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