Large-Flower Evening Primrose - Oenothera glazioviana Large-Flower Evening Primrose - Oenothera glazioviana

Herb: Large-Flower Evening Primrose

Latin name: Oenothera glazioviana

Synonyms: Oenothera erythrosepala, Oenothera lamarckiana

Family: Onagraceae (Evening Primrose Family)

Medicinal use of Large-Flower Evening Primrose:

The oil in the seeds is anticholesterolemic, astringent, hypotensive, sedative. Reduces cholesterol levels. Research suggests that the oil is potentially very valuable in the treatment of multiple sclerosis, pre-menstrual tension, hyperactivity etc.

Description of the plant:


150 cm
(5 feet)

July to


Habitat of the herb:

Not known in the wild.

Edible parts of Large-Flower Evening Primrose:

Root - cooked. Boiled and eaten like salsify. Fleshy and succulent. Young shoots - raw or cooked. Mild and inoffensive Seed contains 28% of a drying oil. It is edible and a very good source of gammalinolenic acid, an essential fatty acid that is not found in many plant sources and has numerous vital functions in the body. Difficult to harvest, it has to be done by hand.

Propagation of the herb:

Seed - sow in situ from late spring to early summer.

Cultivation of Large-Flower Evening Primrose:

Not known in the wild.

Known hazards of Oenothera glazioviana:

None known

Plant information taken from the Plants For A Future.