Imagine stretching out on a chaise lounge chair under a big blue sky, to soak in the sun’s warmth or relax with a good book. No, you’re not at an all-inclusive resort, but your own backyard. For Astrid Gaiser, a San Francisco Peninsula Landscape Designer, the beach and swaying palm trees denote vacation, so she created a tropical oasis in her backyard. For many of her clients, the tamer Mediterranean and California native landscapes bring on vacation getaway vibes. To achieve sustainable and vibrant outdoor living spaces fit for an all-year staycation garden retreat, Gaiser loves to incorporate the following elements into her designs.