Salvia rosmarinus, commonly known as rosemary, is a woody, perennial herb with fragrant, evergreen, needle-like leaves and white, pink, purple, or blue flowers, native to the Mediterranean region. Different varieties of salvia smell differently, however, & smell is one way of identifying them. We earlier mentioned that rats and mice have a sensitive sense of smell and can pick up different scents from a distance. I do not know about others, but the smell of my sage & rosemary does not change in the fall. When I opened the bottle, this familiar feeling came over me and I realized that it smelled like Vicks vapor rub. It is incredibly fragrant, with needle-like leaves (much like an evergreen) … I just bought some rosemary oil for the first time, and while I know it's supposed to have a stong scent, I have no idea what it is supposed to smell like. Until 2017, it was known by the scientific name Rosmarinus officinalis, now a synonym.. It is a member of the mint family Lamiaceae, which includes many other herbs. The differences become easier to notice when the plants bloom in the summer. Rosemary is a perennial herb and a member of the mint family. If you start singing, “parsley, sage, rosemary, and thyme” whenever we mention rosemary, you should spend more time with Rosemary essential oil.Steam-distilled from the needle-like leaves of the Rosmarinus officinalis plant, Rosemary oil brings a fresh, woodsy aroma to everything it touches. But this hardworking herb is more than an earthy scent. Origin of Rosemary. Rosemary tends to grow a little taller compared to lavender, reaching several feet tall and spreading two or three feet.Lavender often reaches one to two feet with an equal spread.. The flowers are probably the most distinguishable feature among the two. The scent emitted by a rosemary plant serves to keep rodents at bay. Having rosemary planted near an infested area makes rodents very uncomfortable. Some are pungent, whereas others are weak, some have a sweet smell, & some have a cucumber smell. How to Use