Over watering can lead to ugly dark brown spots on your leaves, and underwatering can cause light brown spots and dry, crispy leaves. Scale insects will mainly attack your monstera’s stem and leaf joints over its foliage. The plant is not right in front of the window, either. Mini monstera leaves turning gray with black speckles? However, if you catch the signs of over watering early enough, you can save your plant. The scale insect will appear flat and round in shape and are very small in stature. 100% Upvoted. share. Yellow leaves, weeping edges, slimy patches - these are signs of overwatering and potential root rot. One of the most common ways it does this is black spots on the leaves, which could have various causes. My Monstera Deliciosa has developed these black spots over the last 2-3 weeks. This disease appears on leaves as spots in varying sizes. Soon the entire leaf turns yellow and falls. If you suspect your Monstera is over watered, remove the plant from it’s pot … As a soil-borne fungus, it's present at all times, even deep winter. The worst part is, those leaves will not heal from those spots. 1/2. Brown spots, papery edges, black patches - signs of too much light, being too cold, or too dry. The monstera plant is proficient at providing signs when it’s unhappy. You asked about washing the leaves. I observed some shiny oily spots and white pesticide residue on the leaves. I bottom watered the plant recently and left the planter in water for an hour, which was probably a bit too long since the bottom of the soil was really wet. The biggest thing that can wreck your monstera’s leaves is over or underwatering. If left untreated, black spot spreads rapidly and weakens plants severely. Feel deep into the soil every few days and allow the roots to dry completely before your next watering. When spores are carried off and have settled on the leaves, they start reproducing. hide. Over watering will lead to rot and even death. report. save. 0 comments. The black spots don't wipe off, and they're on the front sides of the leaves, not the backs. Too much water is a common cause of black spots on Monstera leaves. Cut out dead roots without disturbing the root ball too much. I got a mini monstera for my room but I noticed that some of the leaves have been turning gray with black speckles, and some of them getting spots on the leaves. As the fungus develops, those black spots on leaves are ringed with yellow. It's been growing well, but recently most of the leaves started developing spots -- some worse than others (see pictures). As this has only started the plant should be able to out grow the problem. Plants normally get them from air or water splashed on the leaves during watering. Black and soft or mushy are dead roots and indicate the problem is root rot. Monsteras *love* misting. The soil is … Getting to the root cause of these spots will allow you to take the necessary steps to restore the health of your monstera. Black spot leaf disease shows itself first with black spots appearing on the leaf, then with rings of yellow as the spots grow, until the leaf turns entirely yellow and then falls off. Treating Black Leaf Spot Fungus. It starts with tiny black spots on leaves, no bigger than a pinhead. Once spots develop, the leaves are damaged forever. It's in a well drained pot, standing on top of a rock bottom wetted to give the plant moisture. Hi, I brought a newly purchased monstera to my office about a year ago. Fungi, bacteria, or other pathogens can be the possible reason for the leaf spot disease of a monstera. Getting rid of black leaf spot must be a two-pronged attack. My office gets direct sunlight, albeit through four panes of glass. 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