Known Hazards Products containing rosemary oil may cause erythema (redness) of the skin. Caution needed if allergies. Reportedly used as an abortifacient in large quantities but can lead to deep coma, spasm and vomiting and even death . Physical Characteristics Rosmarinus officinalis is an evergreen Shrub growing to 1.5 m by 1.5 m at a medium rate. It is hardy to zone 6 and is not frost tender. It is in leaf 12-Jan It is in flower from Mar to October, and the seeds ripen from Aug to October. The flowers are hermaphrodite (have both male and female organs) and are pollinated by Bees.It is noted for attracting wildlife. Suitable for: light (sandy) and medium (loamy) soils and prefers well-drained soil. Suitable pH: acid, neutral and basic (alkaline) soils and can grow in very alkaline soils. It cannot grow in the shade. It prefers dry or moist soil and can tolerate drought. The plant can tolerate maritime exposure Habitats Woodland Garden Sunny Edge; Dappled Shade; Ground Cover; Hedge; Cultivated Beds; Edible Uses Edible Parts: Leaves. Edible Uses: Condiment; Tea. Young shoots, leaves and flowers - raw or cooked. The leaves have a very strong flavour that is bitter and somewhat resinous, the flowers are somewhat milder. They are used in small quantities as a flavouring in soups and stews, with