â Brown, dry spots on some of the leaves â Leaf tips turning brown â Small brown spots trimmed in yellow. Septoria leaf spot disease is visible on tomato plants as small gray and brown spots that occur on the tips and surfaces of the leaves. Thanks too for sending photos. The older leaves on the bottom are developing small circular brown spots. But when they do get sick, the most common disorder is the brown spots on the leaves. Can not tell if it's just a deficiency or something worse like rust rot. Thanks for asking about the brown spots on the leaves of your house and office plants. They are 7 weeks old so still in veg. What causes the brown spots? Be the first to share what you think! 100% Upvoted. A few on my plants are starting to have these brown spots on them. report. Similarly, there some species of fungi and bacteria that can cause small brown spots on the leaves, which can spread until the whole leaf dies. 0 comments. If this is the case, moving your pothos a bit farther back from the light source may help prevent future brown spots. share. Stop the spreading of the disease by simply cutting out the brown spots on the fronds. Late blight causes leaves and fruit to develop wet brown spots that can kill the plant within two weeks. Small, yellow-brown spots with a yellow or green halo which first appear on the oldest leaves; as the disease progresses, lesions expand and becone large necrotic patches, often with concentric patternation; lesions coalesce, leaves begin to curl and eventually die hide. small brown shiny spots on top of leaves, spreading to other plants. I transplanted plant when it was a foot or so tall. If you notice brown tips and spots on your dracaena, the problem is probably due to inconsistent watering. Small brown raised spots or larger patches on the leaves indicate a fungal problem. 1/2. Leaf upper surface has brown spots, 1/16 to 1/8 inch diameter, encircled by yellow halo Growths the size of BBs or small seeds on leaf undersides Foliage can be discolored or turn brown when leaves ⦠A palm can contract some diseases and infections that cause its leaves to turn brown or to have brown spots on them. The brown circles can be irregular and will have a faint light brown/ cream colored halo around them. Orchids are plants that hardly get sick. Advanced leaf spot can kill a pothos, but with early treatment, you can prevent the disease from taking a firm hold. Sometimes, these brown spots are ⦠no comments yet. WHAT CAUSES ⦠Continue reading "What are these brown spots on my Red Oak leaves⦠Potential Cause 1: Inconsistent Watering. Unfortunately, any brown spots that had formed will not heal. Log in or sign up to leave a comment Log In Sign Up. Sort by. This is my first plant LOL so i ⦠I used pro mix hp +, fox farm nutrients. I planted outside in the soil didnt use a pot. The newer leaves look real good so im thinking its not a major problem. small, dark brown, shiny & translucent. save. During rainy seasons and towards the end of the Summer we get several calls and emails from customers asking about small brown circles and brown spots that have started appearing on their Red Oak leaves. best. The spots could also be the result of the care they were given such as too much ⦠Too Much Light: Intense light --- natural or artificial --- can cause unsightly burning and brown patches in the leaves, especially on the white variegation. Leaf spot disease is one such disease, caused by cold or overwatering the palm. Most commonly, the brown spots occur after pathogenic mold infection (fungi). Fungi, such as the fusarium, can cause brown spots. The spots could be caused by a fungus or bacteria. I've had some heating issues the last 7-10 days. Moving your pothos a bit farther back from the light source may help prevent future brown spots and... 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