Add Yahoo as a preferred source to see more of our stories on Google. Getty Images There’s a reason it’s called the Mighty Oak: Oak trees are stately trees that can live for hundreds (yes, hundreds!) ...

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Blue spruce (Picea pungens f. glauca), also called Colorado blue spruce, is a beautiful tree with blue-gray needles. Being colorful and relatively drought tolerant, it’s a favorite of many homeowners ...