A dense, bushy variety with stunning spikes of long lasting sky blue flowers; somewhat drought tolerant; excellent for the sunny border or containers. Color Spires® Crystal Blue Sage has masses of beautiful spikes of sky blue flowers rising above the foliage from mid spring to mid fall, which are most effective when planted in groupings. The flowers are excellent for cutting. Its fragrant narrow leaves remain grayish green in color throughout the season. The fruit is not ornamentally significant.