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Common Name: Large-Flower Evening Primrose
Oenothera glazioviana is a Biennial up to 1.50 metres tall.
It has edible and medicinal uses.
A hybrid of garden origin, probably O. grandiflora x O. elata.
Not known in the wild[
|Pollinators||Lepidoptera, bees, Self
Prefers a dryish well-drained sandy loam and full sun[
]. Heavy clay soils may induce winter rots[
]. Succeeds on poor soils[
The flowers open in the evening, they are richly scented and are very attractive to moths[
]. The seeds are a good food source for birds, especially finches[
The plants of this species are of hybrid origin and usually mutate freely[
Usually self-sows freely if in a suitable position[
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[
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[
Seed - sow in situ from late spring to early summer.