Rosemary, Rosmarinus officinalis, is a bush with fragrant, evergreen, needle-like leaves and white, pink, purple, or blue flowers. ... The shrub then became known as the "Rose of Mary". As a medicinal herb, it has long been recommended for strengthening the brain and memory.

How can you tell rosemary from thyme?

Rosemary and Thyme Appearance

Thyme has small, rounded green leaves that feel soft between the fingers while rosemary has stiff needlelike leaves. Rosemary grows on straight stalks that change from green to woody as the stalk matures. Tender young thyme stalks are thin especially early in the growing season.

What is rosemary good for?

Rosemary is a rich source of antioxidants and anti-inflammatory compounds, which are thought to help boost the immune system and improve blood circulation. Rosemary is considered a cognitive stimulant and can help improve memory performance and quality. It is also known to boost alertness, intelligence, and focus.