It usually happens to lower leaves on the plant but may occur through the middle or at the top, depending on the cause. Leaves may fall prematurely without any yellowing before hand and often when you gently brush past. Remove the infected parts of the plant. These spots may vary in shape, color, and size. … Brown leaf tips can also indicate a buildup of salts from fertilizers over time … Brown leaves may also appear naturally and this isn’t a cause for concern. Use your index finger to check soil moisture levels, and only water once the soil has dried out an appropriate amount for the plant you are growing. It likely is a fungus (there are several that create brown spots) and should be treatable with fungicide. Start by giving your plant a long, thorough drink of water. Sometimes the lesions run together and the entire leaf dies. Small black dots (fruiting bodies of the fungi) may be visible in dead tissue. Scorch damage cannot be undone, but hopefully, with quick action, the plant will grow new, healthy leaves and the old leaves can then be removed to make your plant look healthy again. I’m here to share my experience and help you have more success and enjoyment growing plants. This occurs in random spots across the leaves, sometimes forming in circles that appear to grow over time or undefined shapes. One of the most gorgeous indoor plants and our Editor’s Pick–Polka dot begonia deserves to be on this list.This fancy houseplant has silver spots on leaves and red undersides. Dry plant brown spots are somewhat easier to diagnose, as they will have dry tan or lighter brown areas that start at the edge of the leaf and cause the leaf to curl. Neem oil can also help. Read my guide to identifying, treating and preventing common houseplant pests for more information. Try to mimic the natural shape of the plant’s leaves when doing so. You can identify it by looking for multiple small, irregular yellow or brown spots on the leaves that slowly enlarge over time. Excess Light/Scorching. The stems of the leaves have a purple tinge. Fungal Leaf Spots: Several fungi can cause leaf spots. Some symptoms include waterlogged soil, yellow spots on plant, growth slows, and stunts that leads to different type of diseases. Scorching can also occur when light intensity changes with the seasons. First, brown or yellow blotches appear on damaged leaves, which eventually lose their color. Symptom: Leaves tips turning brown. (And 7 Solutions), How To Propagate Houseplants: Complete Guide With Pictures, Why Is My Ficus Dropping Leaves? 5 Reasons for Houseplants Leaves Turning Brown. Brown spots on Calathea can be due to several reasons, including low humidity, excess sun, or insufficient water. Often times, if you let your houseplant’s soil get bone dry, especially for extended periods, the lower leaves will typically turn brown and crispy. You can safely prune these off if only a few leaves are affected. Our guide looks at common pests on indoor plants, and helps to identify Aphids, Mealybug, Red Spider Mites, Scale Insects, Sciarid flies, Fungus gnats, Slugs, Snails and Springtails Leaf spots – Fungal leaf spots may include small brown spots with yellow margins or black spotting. Thankfully, it’s not hard to work out why this is happening and take steps to reduce and prevent it. Ideally, water is taken into the roots from the soil and is moved upwards through the plant until it reaches the leaves, where it is then used in photosynthesis or lost due to transpiration or evaporation. Why? Sharp blades minimize damage to healthy plant cells in the leaves, reducing the energy the plant must expend to heal the open wound. When your indoor plant leaves turn brown, it can be a little disheartening. Anything below 55 degrees will be detrimental to the health of the plant. This … There are several species of bacteria that attack indoor plants. Check to see if the soil is completely dry. read my article about getting rid of spider mites, for other solutions. If it makes you feel any better, wild Calathea also et brown spots. The bright yellow flowers on a Zebra plant emerge from bracts at the end of a long stem. However, too much light – whether it is natural or artificial light – can cause your plants to burn or scorch. This is caused by bacteria and fungus that are introduced to your plant from the outside world. Read my guide to fertilizing indoor plants for more information. If this looks familiar, you may well be under-watering your plant. Why? Check the soil often and do not oversaturate. The brown soft scale (Coccus hesperidum L.) shown here is a common houseplant and greenhouse pest. Entirely brown leaves are usually a natural part of the plant’s growth and aging process, unrelated to the care of the plant. Spots may have a concentric ring or target pattern. The most common ones are webbing, tiny flies, unusual spots on leaves, or brown bumps on stems. Even the best house plant owner will come across pests. Is the plant receiving direct sunlight through a window or direct light from an artificial light source? Not enough water (or too much!) Where? Bacterial disease symptoms range from black to brown, often watery leaf spots or lesions to total collapse of the tissue. The most common ones are webbing, tiny flies, unusual spots on leaves, or brown bumps on stems. Why Do Indoor Plant Leaves Turn Brown? The spots could also be the result of the care they were given such as too much water, not enough water, poor air circulation, or poor nutrition. Often, a lack of water results in brown spots on house plants. Why? 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