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Hi there, I noticed some yellow and brown spots on my monstera and I… | Pests, diseases and problems | Planta-community

Kaila

Hi there, I noticed some yellow and brown spots on my monstera and I just want to double check it isn’t pests or a fungal infection. Dr Planta seems to think it is from under-watering - I often let the leaves begin to curl a bit and the soil dry out before I water, though I’ve recently added planta so hopefully my care improves. I cant see any pests, and I haven’t noticed any on any of my other plants. We did move recently as well, and the monstera went from being up against an east facing window, to almost a meter away from a south-west facing window. It does seem fairly happy otherwise and just put out a new leaf a couple weeks ago. The newer leaves are completely free of spots. Thanks for your help!

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  1. Karen

    Your monstera's curling leaves could be from under-watering, the stress of being moved, or increased light exposure from the new south-west window. To remedy this, ensure consistent, appropriate watering by checking the soil moisture and watering when the top 1-2 inches are dry, rather than waiting for signs of wilting. Also, check for pests, monitor the plant's new lighting conditions, and provide high humidity if possible, as low humidity can also cause leaves to curl.

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  2. Karen

    Watering Adjustments • Adjust your watering habit: Waiting for leaves to curl before watering is a sign of stress; instead, water your Monstera when the top 1.5 to 2 inches of soil feel dry. o • Water thoroughly: When you water, ensure the entire soil mass is moistened to avoid dry pockets that can lead to root issues. o Lighting and Environmental Factors • Monitor new light: Your Monstera has moved from an east-facing window to a more intense south-west window. This change in light may be too strong, causing stress. o • High humidity is key: Monsteras thrive in high humidity environments (60-80%). Low humidity can also contribute to leaf curling. o Other Potential Causes • Pest check: While you don't see any, thoroughly inspect the undersides of the leaves for common pests like spider mites or mealybugs. o • Stress from the move: Moving can cause a temporary shock. Give your plant time to adjust to its new environment while making these care adjustments.

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  3. Karen

    Actionable Steps 1. Assess watering: Check the soil and adjust your watering frequency so the plant isn't dehydrated. o 2. Monitor light and humidity: Observe how the leaves react to the new window. o 3. Apply a foliar spray (optional): Consider using a liquid kelp spray to help the plant recover from stress, following dilution instructions. o 4. Check for pests: Do another thorough check for pests, even if you haven't seen them before.

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  4. jlsKenzy

    From my experience with plants. Watering issues usually result with brown edges on leaves. These spots on the center part of the leaf with a yellow halo indicate maybe something bacteria or fungal is happening.

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