Arp Rosemary (Rosmarinus officinalis Arp) is a bushy growing cultivar with stiff upright stems and soft blue flowers. Arp Rosemary has proven itself to be a cold hardy selection, extending the use of Rosemary beyond the mild winter areas of coastal CA and the Southwest. A great choice for hot walls and corners and other areas that get intense reflected heat. Plant in combination with other heat-loving plants like Zauschneria arizonica, Lavandula, and Calylophus and Yarrow. Released by the National Arboretum. Cutting propagated. 36″ tall x 36″ wide.