Best New State Tree (2007)

Ailanthus

The Ailanthus is also known as the Chinese sumac (because it looks like a sumac) and Tree of Heaven -- but there's nothing heavenly about this rapidly growing, unbearably stinky tree that's springing up from sidewalk cracks and patches of dust all over town. Still, it has one decided advantage over the Colorado blue spruce, our official state tree since 1939: No bugs can kill it. In fact, it's impossible to kill.

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