Meyer lemon trees (Citrus x Meyeri) typically have waxy, dark-green leaves all year round. However, there are some problems in citrus tress, specifically citrus leaves curling, yellow leaves and brown spots on the leaves. Methods like topping and skirting can help prevent bugs from climbing onto the tree. A lack of nitrogen in the soil will affect the tree's health, beginning with the leaves. Diagnose & Treat Leaf Curl / Yellowing Leaves (Inc. Magnesium is moved from old leaves to new growth and developing fruit, so if there's not enough to go around, the old leaves will show signs first. https://www.stuff.co.nz/.../82443887/why-are-my-lemon-tree-leaves-turning-yellow Citrus trees enjoy regular pruning to increase airflow, photosynthesis, and growth. Identification tip: Leaf mottling or yellowing, spotting on the underside of leaves, and premature leaf drop can occur from excess boron; severe symptoms can include twig dieback. Lemon scab . Nitrogen is a nutrient used in almost every process of life for citrus and fruit trees, from growth to the production of fruit. It's been inside since I bought it and it's set between a south and east facing window. Citrus are gluttons for food. Chlorosis: Chlorosis is iron deficiency that appears as lightening or yellowing between veins on older leaves and/or pale green or yellow new leaves. Yellowing leaves. And while it occurs at any pH, it … Foliage turns yellow on the edges first, leaving a v-shape of green at the base of the leaf. Back in January, I bought a Meyer Lemon Tree at Home Depot. While yellowing of the leaves is not always a problem, investigate the source of the yellowing if you suspect the leaves should not be yellowing at this time. Overall it's been pretty healthy, with some occasional leaf drop (about 1 each month), but within the last 3 days it's dropped upwards of 12 leaves, with others yellowing. Avoid wetting trunks and major roots with sprinklers, and keep the upper soil dry within tree driplines. Common lemon deficiencies show up as yellowing leaves. Nitrogen deficiency is one of the main causes of yellow leaves on a citrus tree. The same treatments should work for getting rid of citrus leaf curl, whether you have orange trees, mandarin tree lemon trees, lime trees or peach trees. Prune and trim. Lemon leaves reveal nutritional problems. Lemon scab, or verrucosis, is a common sight on lemons. Curled leaves disease on lemon plants like limes, lemon and orange trees are a matter of concern as it may indicate significant problems. Lemon Tree Feeding with a citrus fertiliser should fix the problem. Hail damage Identification tip: Small scars on twigs or fruit all occur on the upper or outer exposed side of branches injured by hail.