Potted Lemon Tree
My lemon tree has yellowing leaves. I think it needs repotting but I don't know the best soil to use in the repotting and what special feed.
Certified GKH Gardening Expert
If the leaves are green veined, but yellow else where, the plant has a iron deficiency. This article will help fix that: https://www.gardeningknowhow.com/plant-problems/environmental/leaf-chlorosis-and-iron.htm These articles will help you with fertilizing: https://www.gardeningknowhow.com/edible/fruits/citrus/fertilizing-citrus-trees-best-practices-for-citrus-fertilizing.htm, https://www.gardeningknowhow.com/edible/fruits/lemons/learn-about-fertilizer-for-a-lemon-tree.htm They also prefer well-draining, slightly acidic soil. Here is some help for its care: https://www.gardeningknowhow.com/edible/fruits/lemons/growing-lemon-trees-containers.htm