Answer: Among the fastest growing trees for your region, Lombardy Poplar tops the list, followed by Leyland Cypress, American Sycamore and Norway Spruce. Flowering trees are deciduous so you'll have only bare branches during the winter months. If that's okay, consider planting Yoshino cherry, Empress tree, or Dogwood.
You might find even more choices when you visit your local nursery.
Best wishes with your new landscape!
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