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What Type of Tree Makes an Acorn? Only trees in the Quercus genus produce acorns. Watch a squirrel or chipmunk forage for food and no doubt a cache of acorns will appear. Acorns provide food for various wildlife, or they would otherwise litter the forest floor and rot since they are too heavy to disperse via wind.
Oaks regenerate from acorns and stump sprouts. They do not produce many seeds compared to other tree species. Acorns decompose quickly if they become wet. White, swamp white and bur oak acorns begin to develop in the fall after they drop from the tree. Northern red, black and northern pin oak acorns begin to develop during the spring after they drop from the tree. Oaks can survive in low light when they first begin to grow, but they need more sunlight as they grow larger.