Quercus rubra

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Red OakQuercus rubra Height: 16-22 m Width: 15-20 m Zone: 4 Exposure: Sun Native to Ontario Large Oak with a rounded, broad-spreading, somewhat irregular form. Dark green leaves in the Summer, turning red to brown in the Fall. Inconspicuous flowers (catkins) are followed by acorns. A slow-growing, large shade tree at maturity, it needs space in which to grow. Acorns are a favourite food of wildlife. (Native) Oaks, according to Tallamy, support 534 species of lepidoptera (butterfly and moth) caterpillars– more than any other native tree or plant. Show more