These sky blue blooms will add a touch of elegance to your garden. Salvia is known for its tolerance to heat and drought, so it is a wonderful perennial for areas with hot summer months. These prolific flower spikes will skyrocket out of your garden, adding a vertical element to the landscape. Perfect for adding to a cut flower arrangement. This is a great perennial choice for novice gardeners due to its low-maintenance tendencies. Zones 3-8. Full Sun to Partial Sun.