The Best Outdoor Herbs to Grow in Reno, Nevada. Reno, Nevada, is in a high mountain desert. The climate is dry, with cool nighttime temperatures. Summers are sunny and hot, and winters often see several feet of snow. Reno is in USDA Plant Hardiness zones 5 to 7, which gives you a large variety of annual and perennial herbs to choose from. But local watering restrictions mean drought-resistant plants will work the best in your garden.