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Tangerines on a Lime Tree? Grafting Explains the Switch

Three possibilities: (1) The lime tree was grafted onto tangerine rootstock, which eventually sprouted and took over. (2) The tree is a cold-hardy satsuma or citrangequat, which can resemble both. (3) It's a trifoliate orange (Poncirus trifoliata), whose fruit ranges from green to yellow. Check the tree's characteristics to solve the mystery.

About Gardening: Troubleshooting Key Lime Trees: Fruit Splitting, Brown Marks, and Leaf Miners; Ants on Grapefruit Tree: Sign of Pests or Dry Soil?; Identifying and Controlling Worms on an Indoor Dracaena Tree; Linden Tree Aphids and June Beetles: No Connection, Honeydew Stunts Grass; Ants at the Base of Citrus Trees: Organic Control with Sticky Barriers; Ants on Grapefruit Tree: Identify Before Treating; Pruning a Large Tangerine Tree in Jacksonville, FL; Giant Dogwood Discovery: Why This Woodland Tree Reached Champion Size; Identifying Young Persimmon Trees: Male vs. Female Flowers; Mistletoe Control: Understanding Ethephon Treatment and Limitations

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