Take any three greens and combine them. Go ahead, give it a try, we'll wait. Okay, did you try it? Looks awesome, doesn't it? This trick works with any hue, really, but it's especially good for green. And with green already being found outdoors in abundance, using green decor outside can look fabulous.
Are you sold on these green-on-green combos in the great outdoors? Here's one more helpful hint: Up the wow factor a notch by introducing just a touch of something red, orange, or bright yellow — or you can just wait for the flowers to bloom and they'll do it for you.