Bright green leaves sheltering colorful hanging fruit distinguish healthy citrus trees. Yellow leaves, on the other hand, spell trouble. Causes are numerous, but often relate to improper ...

Lemon trees require lots of nutrients. So, when the tree runs out of nutrients, its older leaves may become yellow. Applying a complete citrus food twice a year, aiming for mid-summer and late ...

Citrus leaves on a tree infected with the bacterial disease Huanglongbing, also known as HLB. Symptoms include blotchy yellow spots on leaves and an asymmetrical shape. Courtesy of the Citrus Pest ...

Why are my citrus leaves yellow? ... citrus trees. The thing is in southern parts of Australia, in winter, they do go yellow. Don't worry too much because you're going to feed them, ...

Why are my citrus leaves yellow? JANE: According to Jane, this is the top of the pops when it comes to gardeners’ questions, and the answer is simple. If your citrus has yellowing leaves, it’s ...

Question for Dan Gill: We have a few citrus trees, and all but one are turning yellow and partially dying. Two are navel with a calamondin in the center. One navel orange and a key lime seem to be ...