Lavender Tea Benefits have been known for a long time as being particularly beneficial to disorders involving the nervous system. Lavender is an aromatic, shrubby, multi-branched herbal plant with a stem reaching a height of about 6 to 24 inches. Purple-colored flowers typically grow on the woody stems, although there are varieties that have pink and white flowers. Lavender bears very narrow, gray green leaves. Lavender has been valued as a scented herb throughout the centuries. The fragrance of lavender is known to relax and soothe the mind and the body. Many perfumeries include the essential oil of lavender in formulating their products.