Its low-maintenance nature makes it a great choice for naturalized gardens. Common Name: Evening Primrose Botanical Name: Oenothera biennis Plant Type: Biennial Zones: USDA Zones 4-9 Height ...

fluctuating levels of the hormones oestrogen and progesterone. Evening primrose oil is perhaps the best-known treatment for pre-menstrual syndrome (PMS), a blanket term for over 150 symptoms which ...