The Q&A Archives: Sour Tangerines

Question: My tangerine tree has produced extremely sour fruit for the<br>second year in a row. After the last crop I fertilized with citrus fertilizer (granules, and followed directions exactly). Neighbors have told me the tree used to have sweet fruit in previousyears before my arrival. Any advice would be appreciated.

Answer: Citrus trees are generally grafted onto a compatible root stock. It's possible, over the years, that buds from below the graft grew into new branches and what you're harvesting isn't from the original cultivar. Check the trunk of the tree andtry to find the graft. Then make sure that any branches below that graft are removed. The remaining branches should be from above the graft, and should produce sweet fruit.

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