Yellowing of lemon tree leaves can be a sign of various issues, including chlorosis (see the leaf in image 20230608). That leaf shows all the typical symptoms of chlorosis: yellow background and green leaf veins.
Since you mention specifically that the leaves are dropping off of both the Meyer Lemon and the Key Lime trees, I will address that issue primarily: First of all, it is easy to overwater Meyer lemons: Overwatering saturates the tree and the soil around it causing nutrient deficiencies and diseases. The main sign of overwatering is yellowing and leaves falling off the tree. Overwatering the ...
MIKE, HIGHETT VIC: I've got this lemon tree. It's got a few problems. It's gone all yellow on these leaves and it's got these lumpy things. I'm wondering if you could give us a bit of info on it.
Q: I have a lemon tree, now about 2 years old, which has been healthy, but now it has developed some yellow leaves. I have fed it iron and provided acidic soil. It has been transplanted into a bigger ...
Q: Our lemon tree has curled leaves. Upon closer inspection, we noticed little squiggly lines all over the affected leaves. What is happening, and will this hurt the tree? A: Citrus leafminer ...
MSN: The Simple Answer To Why Your Lemon Tree Leaves Are Turning Yellow
You might initially be excited to see a glimpse of yellow amongst your lemon tree's leaves, thinking that the tree is finally bearing fruit. But that excitement can quickly turn to dread when a closer ...
The Simple Answer To Why Your Lemon Tree Leaves Are Turning Yellow