Evening primrose is the common name for many different species of primrose plants, but the problematic one is Oenothera speciosa. “This plant spreads by both rhizome, or underground stems ...

Medically reviewed by Melissa Nieves, LND Evening primrose has been studied for conditions related to menstruation and ...

Caption A caterpillar of the evening primrose moth (Schinia florida) devouring a flower bud of common evening primrose (Oenothera biennis).These moths exclusively feed on the flowers and fruits of ...

Some research suggests evening primrose oil may have a positive effect on menopause-related hot flashes, but other studies suggest no effect. Speak with your doctor before trying it for their advice.

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 ...