Over the Fence (Alameda County)

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Abnormally dark green grapefruit foliage from excess nitrogen (left), compared, with uniformly pale citrus leaves due to nitrogen deficiency
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Yellowing Citrus Leaves in Spring, Summer and Fall. What to Do?

April 14th, 2024
In winter it's a normal process to see yellowing leaves and leaf drop. When we see this in other seasons, it indicates a problem. When we see the yellowing leaves on our citrus, we often jump to the conclusion there is an iron or a nitrogen deficiency, but there can be a variety of causes.
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