Spots are irregular and measure between 3/16 and ½ inch (0.5 to 1.5 cm.) If continued with this temperature, the plant will be surrounded by a black, brown leaf section. Brown Spots on My Pothos Plants I live in Sequim, WA and have 3 indoor variegated Pothos plants. Leaves of established plants yellow and die. I noticed brown spots on two of the leaves before I repotted the plant in September and thought it was due to the plant being too close to the window so I didn't really think it was a problem. 1. As with all other fungal and bacterial diseases, better air circulation, well-drained soil, dry leaves, and less water help control Leaf Spot disease. Pythium Water-soaked spots with yellow halos spread rapidly on leaves. Discard infected plants. Like, a little bit every 2-4 months is plenty, if at all. Then repot the plant to a new pot using fresh soil mix. Stems have a mushy black rot. To save pothos from root rot trim off the infected roots. Centers of the spots fall out under wet conditions. All these bugs feed by sucking the sap from the leaves and stems of your houseplants, damaging a small area around where they feed, causing brown or yellow spots … Pseudomonas cichorii: Avoid overhead watering. In the case of extreme root rot, propagate pothos to get a new plant. However, the spots can also indicate a more serious disease such as late blight disease, which causes some plants to shrivel up and die. I do not overwater. These seem to be the most common: 1 - Too much fertilizer. My Pothos Marble Queen develops brown spots that very slowly envelop the entire leaf until it dies off. Mealybugs, aphids, thrips, and scale are the other common culprits. The brown area just feels like the leaf has gone limp, it's not stiff or hard or anything. It seems to be picking them off one or two at a time. Not all the leaves turn brown and wilt like this. Pothos, also known as Devil’s ivy, is a vining indoor plant with heart-shaped leaves. When soil becomes waterlogged, oxygen cannot reach the roots, which stresses the plant and prevents it from taking up water and nutrients. Several types of diseases and infestations can cause brown spots on plants. Sometimes, the room temperature goes beneath 50-degrees Fahrenheit. The spots may do nothing but affect the appearance of the plant. We should cut off the diseased leaves as soon as possible and burn them together. It is very hardy and easy to care for. Bacterial leaf spot on plants may manifest in several different ways. II. Daily maintenance . As a result, brown spots may appear on the foliage. I love this plant, I'm worried! They will stick to you from thick to thin, in almost all conditions but sometimes avoiding their needs may lead to browning of their leaves, brown tips in leaves, and spots on leaves. Other sap-sucking pests can cause brown spots on houseplant leaves. We should also cooperate with the appropriate drugs for prevention and treatment. Once you've identified the problem, it's important to treat the spots. It leads the pothos leaves to get brown or spotted with black spots. Brown spots (generally with some yellow/whitening surrounding them) on a Golden Pothos can be caused by a few things. Golden Pothos doesn't like much fertilizer. 2. wide. Pythium Root Rot: Cuttings have poor root systems and yellow leaves. Clean the remaining root system and then treat it with a fungicide to disinfect. If the pothos is infected with leaf spot disease, it will appear small spots at the beginning, and become small holes with the development of the disease. When a plant gets Leaf Spot disease, the attacking fungus or bacteria leaves small brown spots trimmed in yellow where it is feeding on the leaves. Hi Everyone, I have a pothos that started as cuttings in a vase and eventually rooted over about 5 months. 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