What causes lemon tree leaves to curl?

It depends on the color.

Are the leaves green and curling? If so, your lemon tree needs more water. If the color is kind of mottled green and curling, it could be aphids or mites. Watch my video for a suggestion on battling aphids. If the leaves are yellow and curling, check the soil’s pH. That’s a sign it needs potassium.

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Amy

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