Primarily, there can be four reasons why the stalks or the stems of the lucky bamboo might start to turn yellow. The leaves are going yellow. If you notice your indoor or outdoor fern turning yellow, checking for other symptoms can guide you to the best treatment.Yellowing leaves are not uncommon on indoor ferns, and can indicate a number of issues. Apr 28, 2014 - Ferns are attractive when used in the shady home garden. Very attractive in growth with both upright and arching fronds. Repeat the fertilizer application if the fronds appear dull or yellow one month later. The symptoms accompanying the yellowing will help you narrow down the problem. Likewise, excessive water can cause root and crown rots. Other possible causes are pest infestation, diseases, direct sunlight, lack of light, temperature, humidity, nutrient deficiency. Sunlight is a required ingredient for the healthy growth of a plant. Mostly, Foxtail ferns are turning yellow due to moisture stress and low water quality. Not only is it a good idea to grow evergreen trees and perennial plants for year-round interest and color, consider adding ferns to the landscape to create an eye-catching array of feathery fronds.. Fertilize staghorn fern plants with a balanced liquid fertilizer each month during the growing season. The Boston fern plant requires plenty of humidity and low light to prevent the fern from turning brown. © Copyright 2020 Hearst Communications, Inc. Asparagus ferns are among the most-drought tolerant plants we use in containers partly because they have special root structures that store water for the dry periods. Contrary to popular opinion, ferns are not typically deep shade plants. I have regular spots on the underside of my fern fronds. Ellen Douglas has written on food, gardening, education and the arts since 1992. If other symptoms indicate that lighting may be a problem, move the pot out from a dark corner, or into a room with better exposure to the sun. Make sure that the temperature in your home (or at least the room in which the fern is kept) is near 70 °F (21 °C) during the day and below 60 °F (16 °C) at night. These rots kill ⦠This is my first time having one and I've only just got into plants so any advice it welcomed. Suitable for any moist soil, in sun or part shade, where they are sure to glisten like jewels. This fern works brilliantly with other ferns, hostas and bergenias. What Are the Causes of Yellowing Fronds on Indoor Ferns? Correct these conditions, and spray the ferns with insecticidal soap. Use a soil test kit to measure the soil's nitrogen level. Yellowed fronds may dry and die, but new fronds will grow if the plants are watered properly with fertilizer applications. If fern foliage turns yellow but also has a speckled look, spider mites are the most likely culprits. Why is My Asparagus Fern Turning Yellow? Be sure they do not dry out. Jennifer Loucks has been writing since 1998. Apart from these, the fern is sturdy enough to grow well. Boston ferns thrive in temperatures in the 60s and 70s but can tolerate an occasional blast of cold air of 40 to 50 degrees for a few hours. Overwatering ferns is a common problem that causes their leaves to turn yellow. These rots kill the… Other causes of yellowing are similar to those encountered by indoor houseplants. They last about a month, then I have to throw them out and vacuum the trail of dead leaves that it leaves. Sun-bleaching can cause the leaves of outdoor ferns to turn yellow. Overwatering is one of the common problems causing yellow leaves and stems. If it takes a long time for water … Ferns are hardy, versatile plants that grow well in shaded areas, and often they require little maintenance in home landscapes. Do not panic about the long list of the useful tips you have read to care of your maidenhair fern. By . What Are the Causes of Yellowing Fronds on Indoor Ferns? 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