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Coast Rosemary Care
Easy-to-grow in average, sandy, or well-drained soil, coast rosemary thrives in bright sun, though it will tolerate part shade. Once established, it is highly drought tolerant. Plant coast rosemary in early spring and water it regularly during the first growing season to encourage a strong root system. Discontinue watering after the first growing season and count on the plant to handle extreme drought. A layer of coarse mulch over the root zone helps conserve soil moisture. Coast rosemary can be fertilized in spring to promote fast growth, although fertilization is not necessary. Avoid fertilizer combinations that have a high phosphorus formula. Coast rosemary requires little pruning, especially the groundcover types. Prune upright varieties as needed to shape the plants after spring flowering. Check out our list of the best plants to add interest to rock gardens.
New Types of Coast Rosemary
Plant breeders have introduced several new varieties of coast rosemary to the market, including small, ground-hugging varieties and kinds that sport striking blue-purple flowers. They are all rugged, easy to grow, and tolerate dry soil and high temperatures.