However, they shouldn’t really be orange, and would likely not be everywhere on the plant. I also noticed some orange and white bumps along the stems in certain places all over the plant. I have several AeroGarden set ups and have planted a variety of hot and bell peppers. Thank you for the information. One is outside, and the other is inside under grow lights. If the entire pepper plant has curled leaves, it is likely one of the other issued mentioned. Currently, the new leaves are growing well, and there are no more curling leaves occurring. Start in the shade and gradually increase the time in the shade before direct sunlight. One of the two most common reasons for yellow leaves on a pepper plant is either under watering or a lack of nutrients in the soil. Browning pepper leaves may be the result of environmental conditions such as frost damage/chilling injury. I'm new in growing bell peppers .. but I did pretty well in germination. Pests like aphids, thrips, mites and whiteflies cause leaf curl on pepper plants with their feeding activities. Is this a sign of over watering? the “cabbage” looking on still looks healthly but growth is stunted, the more healthly plant is now some 6 or 7 inchs taller now. Curled leaves, stunted plants and yellowed, spotted leaves are signs that a pepper plant is infected by the mosaic virus, according to Charlie Nardozzi of the American Gardening Association. The white bumps may just be adventitious roots. It would be different if the leaves were rolling, as linked to by Bill above, and it would also be different if the leaves were curling, altho most of the time curled leaves are perfectly normal since they curl when faced with almost any stress. Also, make sure the lights are set on a timer to be on for 12-16 hours, and off for the rest of the day. I am new to growing peppers. Hi James, the yellowing is likely caused by a nutrient deficiency. This can happen for a few reasons, and this article will discuss what you can do when your pepper leaves are curling. Curled leaves, stunted plants and yellowed, spotted leaves are signs that a pepper plant is infected by the mosaic virus, according to Charlie Nardozzi of the American Gardening Association. If your plant survives the herbicide exposure, it should produce a small crop despite the damage. 2 Answers. Curling can also be caused by too much light, as the leaves will try to protect the plant by curling up. Just because the plant doesn’t re-form to look beautiful doesn’t mean the issue hasn’t been resolved. If they are indoors, set up a small fan to circulate the air. This can be a defensive reaction by the leaves to not get so much direct sunlight. Remember, curling pepper plant leaves are usually nothing to worry too much about! Whether you’re growing in containers or in the ground, leaf curl is a possibility. When the leaves of a jalapeño pepper plant curl, the cause is most likely an aphid infestation. I love these little guys and I don’t know what to do. The curling could be due to the rain, though this would only happen from a seriously heavy soaking. Overwatering and failure to properly drain the soil around pepper plants also can cause leaf curl. Overwatering can cause pepper leaves to curl due to the roots’ inability to access enough oxygen and nutrition from the soil. Shows the progression of calcium deficiency in hot pepper plants like the chocolate habanero. Sometimes it begins at the top of the plant. 1 growing very nicely, larges leaves and looks healthy, however the other one started of just as strong, but stoped growing at about 15 inches and all the top leaves look more like a cabbage than pepper, all the lower leave appear healthly. Lv 7. Killed 2 tiny black insects. will be intresting to see if it gives any fruit now. 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