Rosemary is the fragrant kitchen herb whose narrow leaves stay green through winter in warm areas. In the United States, it is grown in herb gardens and containers, especially where winters are mild.
Both have fragrant, narrow leaves. Rosemary's leaves are dark green above and pale beneath, with small flowers along the stems; English lavender has gray-green leaves and flower spikes at the stem tips.
Why they get mixed upBoth are aromatic shrubs sold as garden herbs.