![]() ![]() Boron (B) Younger leaves may become twisted, wrinkled, and brittle, and may eventually die. Use a balanced fertilizer that includes potassium. Apply potassium-rich fertilizer, such as potassium sulfate or potassium chloride, to the soil. Potassium (K) Margins of the leaves may curl upward or inward, and the leaves may appear wilted or scorched. Use a balanced fertilizer that includes magnesium. Apply magnesium sulfate (Epsom salt) to the soil or foliage. Magnesium (Mg) Interveinal chlorosis (yellowing) between the veins of the leaves, which may curl upwards. Avoid over-fertilizing with nitrogen, as it can interfere with calcium absorption. Apply calcium-rich fertilizer, such as bone meal or gypsum, to the soil. Brown spots or necrosis may also appear at the tip or edges of the leaves. Treatment Nutrient Deficiency Symptoms on Peppers Treatment Calcium (Ca) Leaves curl downwards and appear thickened or distorted. A lack of potassium can also make plants more susceptible to diseases. Potassium boosts the growth of roots and flowers.Ī potassium deficiency can cause pepper plant leaves to wrinkle and turn yellow or brown. Potassium is another essential nutrient for the growth of pepper plants. Nitrogen is also compulsory for the production of proteins. So, a lack of nitrogen can cause plants to become yellow or brown. It helps to grow the leaves and stems of the plant and produce chlorophyll.Ĭhlorophyll gives plants their green color. Nitrogen is responsible for many different changes in pepper plants. These two nutrients are nitrogen and potassium. The deficiency of two primary nutrients in the pepper plant can cause leaves to wrinkle. Like humans and animals, plants need various nutrients to stay healthy and thrive. It’s no secret that plants need nutrients to survive. ![]() A fertilizer with a high percentage of these nutrients can help to perk up your plant. The leaves will look healthy if the plant gets enough nitrogen, phosphorus, or potassium. The first potential cause of wrinkled pepper leaves is a need for more nutrients. Causes Of Wrinkled Leaves Of A Pepper Plant 1. ![]() Pepper plant leaves can become wrinkled due to a variety of reasons, including nutrient deficiencies, improper watering, diseases such as tobacco mosaic virus or bacterial leaf spot, environmental stressors such as high temperatures or exposure to direct sunlight. Curling leaves are a plant’s way of telling you something is wrong, so it’s important to figure out the cause and fix the problem. One day I noticed that wrinkled leaves appeared on some of my pepper bushes. After some research, I found out that wrinkled or curled leaves are one of the most common problems pepper plant growers face. ![]()
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