Grow Evening Primrose for Late-Day Beauty

Oenothera spp.

Once cultivated for its delectable roots, evening primrose (Oenothera) is now often grown for its omega-6-containing seeds.

It’s also grown for its beauty. Oenothera displays large, goblet-like flowers in yellow, white, or pink — each bloom with four petals.

Evening primrose is so named for its habit of only showing its attractive flowers late in the day, similar to four o’clock, though it does leave them open until around mid-morning the following day.

Close up of a planting of light pink and white evening primroses.

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An American Original

Oenothera is native to North America but was taken to Europe in the 1600s, scientists surmise, where it has now naturalized. The plant has also traveled to many other parts of the world.

Depending on the variety, this plant – also known as coffee plant, golden candlestick, and a host of other nicknames – can be biennial, annual, or perennial.

Evening primrose is beautiful and medicinal |

Some varieties have an upright growth habit, reaching heights of 6 feet and a width of 24 inches, where others are used as ground cover or for container plantings, growing no higher than 6 inches.

Various varieties, some of which are quite fragrant, do well in zones 3-11.

Skin and Bones

Native Americans used the whole plant for treating bruises and used its roots for treating hemorrhoids. The leaves were traditionally used for tending to minor wounds, gastrointestinal issues, and sore throats.

Today, oil pressed from the plant’s seeds is marketed in capsule form to help a number of conditions including eczema, rheumatoid arthritis, premenstrual syndrome, and osteoporosis.

The gamma linolenic acid — a type of omega-6 fatty acid — contained within the oil is used by the body to regulate blood pressure and to keep the immune system functioning well.

The root, which is said to have a light peppery taste similar to salsify, can be eaten raw or prepared as you would any root vegetable.

Birds, perhaps seeking a little omega-6 of their own, enjoy eating the plant’s seeds, as do some humans who use them as one might use poppy seeds.

You Just Have to Decide Which One

There are dozens of varieties of oenothera.

Many evening primrose varieties are drought tolerant |

Common evening primrose, Oenothera biennis L., can grow as tall as 6 feet. This biennial produces produces leafy stalks the first year, which are adorned by large, lemon-yellow flowers in the plant’s second year of life.

Common Evening Primrose

Find seeds for the common variety from Everwilde Farms via Amazon.

O. Berlandieri, or Mexican evening primrose, on the other hand, is a spreading perennial. It only grows to a height of about 18 inches. Native to Missouri, Nebraska, Kansas, Oklahoma, Texas, and Mexico, this plant will grow in infertile soil, with minimum water and full sun.

Evening primrose ‘showy’ (O. speciosa) also thrives in heat and is drought-tolerant. It grows 18 to 24 inches tall and displays pink, pale lavender, or white and pink flowers.

Evening primrose is easy to grow |

Evening Primrose ‘Showy’ Seeds

You can find this variety at True Leaf Market.

O. pallida, or pale evening primrose, is a low-growing biennial native to the western United States.

Pale Evening Primrose Seeds

Find seeds for this plant at Seedville, available via Amazon.

Basic Soil and a Little H2O

Primrose is widely adapted and, depending on variety, will do well in full sun to light shade. These plants are attractive in groupings, and the spreading forms make a lovely groundcover.

Oenothera prefers well-drained soil and can tolerate high pH levels. It will do fairly well in poor soil, but it will really thrive in soil that has been amended with some organic matter.

Evening primrose was once cultivated for its edible roots |

Most varieties are quite drought tolerant, requiring little supplemental watering.

You can propagate from seed or by division. You may be able to find seedlings at a garden center. Plant in spring when all danger of frost has passed.

I Think Not

Interestingly, some gardeners plant Oenothera as a trap plant to attract Japanese beetles away from other, “more desirable” plants, such as roses.


A close up vertical image of yellow evening primrose flowers pictured on a dark soft focus background.

Unfortunately, the plant is a tasty treat for lygus bugs and leafhoppers, as well as Japanese beetles.

Try diatomaceous earth or insecticidal soap to banish these beasts.

Food, Medicine, Beauty

With dozens of varieties to choose from, we’re hard-pressed to come up with a reason why you wouldn’t add easy-care Oenothera to your garden.

Pretty evening primrose is widely adapted |

Give this native American beauty a try — in the garden, in the kitchen, and maybe even in the medicine cabinet. We’d love to hear about your experiences with this plant in the comments section below.

Product photos via Everwilde Farms, True Leaf Market, and Seedville. Uncredited photos: Shutterstock.

The staff at Gardener’s Path are not medical professionals and this article should not be construed as medical advice intended to assess, diagnose, prescribe, or promise cure. Gardener’s Path and Ask the Experts, LLC assume no liability for the use or misuse of the material presented above. Always consult with a medical professional before changing your diet or using plant-based remedies or supplements for health and wellness.

Photo of author
A former garden editor for a daily newspaper in Austin, Texas, Gretchen Heber goes through entirely too many pruners and garden gloves in a year’s time. She’s never met a succulent she didn’t like and gets really irritated every 3-4 years when Austin actually has a freeze cold enough to kill them. To Gretchen, nothing is more rewarding than a quick dash to the garden to pluck herbs to season the evening meal. And it’s definitely time for a happy dance when she’s able to beat the squirrels to the peaches, figs, or loquats.

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