If it is curling and turning yellow, your plant is showing primary signs of distress. I bought a new Monstera about a week ago and it seemed to be adapting well. Just a little bit moist. Low humidity and dry soil cause leaves to brown on … If there are a few leaves with just a teeny bit of browning, you can leave those. Sign #2: Yellow leaves or stems . If the lower leaves of your monsteras are the first ones to turn yellow, overwatering is the cause. If they’re looking ok (i.e. The most common cause of a Monstera having brown spots on its leaves is leaf spot disease caused by overwatering or poorly draining soil. Bacterial and fungal infections on Monstera tend to take the form of brown to black spots with a yellow halo around them. Treatment. Your plant may be in recovery, so it may take a few weeks for new growth to come. Not wet. Treatment of brown spots depends on the cause. https://housefur.com/my-solutions-to-6-common-monstera-houseplant-problems Some information: But some of the leaves have started drooping a bit and I've noticed some brown spots on some of the leaves. Keep an eye on your monstera to make sure the spotting doesn’t spread. Improper fertilization, underwatering, inadequate light, pests, transplant stress, and low humidity levels can also cause Monstera leaves to turn yellow. It could be watering issues, overwatering, or under-watering. not mushy and brown) just wait. Ask a Question forum: Brown spots on monstera leaves. Monstera foliage is radiant and green when healthy. Providing proper and consistent soil moisture is important in caring for a Monstera. It is not that you give your plant too much water, but how often you do so. The most common cause of yellow leaves is overwatering. If you have one yellow leaf, it’s probably just old. It's been growing well, but recently most of the leaves started developing spots -- some worse than others (see pictures). Most of the time it is overwatering. Yes, the Monstera adansonii likes its soil to remain slightly moist, but that’s it. Monstera leaves turning yellow is a common sign that one of these elements is out of balance – be it overwatering, underwatering, prolonged or insufficient exposure to light sources, lack of nutritional supplements in the soil base, or shock caused from repotting or propagation. Hi, I brought a newly purchased monstera to my office about a year ago. A root rot treatment is also a good idea at this point. A plant that's not getting enough water will often have yellow lower leaves with some brown spotting. Alternating between bone dry and wet soil from ill-timed waterings can create stress and cause your Monstera to yellow. Other problems such as excess direct sunlight, pests, over-fertilizing, underwatering, or sudden temperature changes can also cause brown spots. Leaves turning yellow, brown, or black. New leaves were unfurling, it seemed strong. EileenPal Dec 6, 2017 6:49 AM CST. Most commonly, inadequate watering causes yellow leaves in monsteras. Age. Brown spots on the underside of leaves indicate red spider mites. Again a sign of over or under-watering. Older leaves tend to be near the bottom of the plant, and they go HELLA YELLOW. Leaves turn yellow. After extensive research, I found that there are several reasons why the leaves of your Monstera are turning yellow. They curl mostly due to watering inadequately and turn yellow due to … If you see yellow or brown leaves on your Monstera, you may be overwatering. Yellowing is a milder sign that your monstera might be over-watered. I've gone through some of the previous posts for Monstera's but couldn't quite find anything like this. 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