Description
Arp Rosemary (Salvia rosmarinus 'Arp') is a highly cold-hardy, fragrant evergreen shrub, famous for surviving USDA Zone 6 winters. It grows 3–4 feet tall with upright, woody stems, grey-green foliage, and pale blue flowers. Ideal for culinary use, it thrives in full sun and well-drained soil, making it a reliable choice for cold-climate gardens.