Spring has sprung and chances are you’re planning to spend a lot more time outdoors. If you want some shade on your patio, you might want to consider an umbrella. Umbrellas not only add shade to a patio but they help add style and polish. To make the right purchase, you'll have to think about the fabric, frame, and base of the umbrella. Keep reading for valuable tips that will help you purchase the best patio umbrella.