This herb' is a cultivar of the common rosemary (Rosmarinus officinalis), known for its aromatic leaves and ornamental value. 
Physical Description:
Leaves: 'McConnell's Blue' rosemary has narrow, needle-like leaves that are aromatic and carry the classic rosemary fragrance. The leaves are green in color.
Stems: The plant has woody stems and a generally upright and compact growth habit.
Flowers: In spring and early summer, 'McConnell's Blue' produces small, two-lipped blue flowers. The flowers are attractive and add to the overall ornamental appeal.
Uses:
Culinary: Like other rosemary varieties, 'McConnell's Blue' can be used in culinary applications to flavor a variety of dishes, including roasted meats, vegetables, and bread.
Aromatic: The fragrant leaves make it suitable for use in potpourris, sachets, or simply as an aromatic addition to gardens.
Growing Conditions:
Soil: Well-drained soil is essential. Rosemary prefers slightly alkaline to neutral soil.
Watering: Allow the soil to dry out between waterings. Rosemary is drought-tolerant once established and prefers moderate watering.
Sunlight: 'McConnell's Blue' rosemary thrives in full sun. It should receive at least six hours of direct sunlight daily.
Hardiness: This cultivar is known for its hardiness and is often grown as a perennial in . 7 to 10. It can withstand a range of temperatures and is generally more cold-tolerant compared to some other rosemary varieties.
Harvesting:
Harvest rosemary leaves as needed for culinary purposes. Regular pruning can help maintain the plant's shape and encourage new growth.