Skip to content
PlantSage.eu
ENRO
IIIFolio · plant profile№ A525medicinal · edible
Data provenancePermapeopleTrefleWikipediaPFAFPOWOeditorially reviewedreviewed 14 Jul 2026methodology → read
Home/Plants

Large-Flower Evening Primrose

Oenothera glazioviana
Educational content — not medical, botanical, or professional advice. Always consult a qualified clinician before using any herbal preparation — especially during pregnancy, breastfeeding, while on medication, or for children. How we source & review →
Updated·Quick Q&A →
Garden journal pausedUse profile notes below
Oenothera glazioviana (Large-Flower Evening Primrose) — botanical photograph
Pl. A525 — Oenothera glazioviana
Oenothera glaziovianaOenothera glaziovianaOenothera glaziovianaOenothera glaziovianaOenothera glaziovianaOenothera glaziovianaOenothera glaziovianaOenothera glaziovianaOenothera glaziovianaOenothera glaziovianaOenothera glaziovianaOenothera glaziovianaOenothera glaziovianaOenothera glazioviana
I

Overview

The Large-Flower Evening Primrose (Oenothera glazioviana) is a biennial forb/herb that can grow up to 1.5 meters in height and is native to regions including Afghanistan, Alabama, Albania, Angola, Argentina Northeast, and Arkansas. This plant thrives in light or medium soil with a pH range of 6.5–7, making it adaptable to various growing conditions. It is known for its edible parts—leaves, roots, and shoots—which can be harvested. The Large-Flower Evening Primrose is also notable for its distinctive large flowers, which contribute to its ornamental value in gardens. Its native range extends across multiple continents, from North America to Asia and Europe, showcasing its widespread adaptability.

Quick answers

What is Large-Flower Evening Primrose?

The Large-Flower Evening Primrose (Oenothera glazioviana) is a biennial forb/herb that can grow up to 1.5 meters in height and is native to regions including Afghanistan, Alabama, Albania, Angola, Argentina Northeast, and Arkansas. This plant thrives in light or medium soil with a pH range of 6.

What is Large-Flower Evening Primrose used for?

Traditionally used for topical & skin. Each claim is evidence-rated — see Section II for full citations.

Best for
Top 1 evidence-ranked use of Large-Flower Evening Primrose
Jump to full evidence →
Clinicaluses · safety · chemistry · dosagemedicinal profile
II

Benefits & evidence

1 claim · traditional-use context
Traditional-use context
These notes are presented as ethnobotanical context. No cited clinical references are catalogued for this plant yet.
  • Traditional-use note: Large-Flower Evening Primrose appears in herbal sources around traditional skin-care routines, often as a topical preparation. PlantSage presents this as ethnobotanical context, not as medical advice.

    Traditional context only. This reviewed claim keeps the original low confidence level, but avoids treatment, disease, dosage, or guaranteed-effect language.

IV·b

Mixology suggestions

1 draft
Editorial drafts. These pairings are AI-suggested from traditional herbal lore. Always verify with a qualified herbalist before brewing.
Large-Flower Evening Primrose support blend
general
tea
AI returned a direct ingredient list; normalized into one draft blend for editorial review.
Growingconditions · propagation · uses
V

Cultivation

Large-Flower Evening Primrose thrives in light to medium soil with a pH of 6.5–7 and prefers a dry to moist environment. It is hardy in zones 3-7 and can grow up to 1.5 meters tall as a biennial. This plant requires full sun to partial shade and should be propagated by seed, which can be sown directly into the garden bed or started indoors. Harvest edible parts such as leaves, roots, and shoots for culinary use. Skip hardiness zones not listed in the data, as it is generally hardy in temperate regions.
Light
8/10
Water
Dry, Moist
Soil
Light (sandy), Medium
Hardiness
3-7
Life cycle
Biennial
Habit
Forb/herb
Mature size
1.5 m tall
Soil pH
6.5–7
For first-time growers

How to grow Large-Flower Evening Primrose for the first time

8steps

Start with Large-Flower Evening Primrose as a simple, low-maintenance addition to your garden.

  1. 1

    What you'll need

    Seeds or young plants, a trowel, and a watering can.

  2. 2

    Best time to plant

    Plant in spring after the last frost or in fall before the first freeze.

  3. 3

    Soil and container prep

    Choose a well-draining soil with a pH between 6.5 and 7, and prepare by mixing in some compost.

  4. 4

    Sowing or transplanting

    Direct sow seeds 1 cm deep and about 30 cm apart, or transplant young plants into the garden.

  5. 5

    First two weeks

    Water regularly to keep soil moist but not waterlogged. Monitor for pests and diseases.

  6. 6

    Ongoing care

    Provide light watering during dry spells and deadhead spent flowers to encourage more blooms.

  7. 7

    Harvest or pruning

    Prune back after flowering to maintain the plant's shape and prevent self-seeding.

  8. 8

    Common mistakes

    Overwatering, planting in heavy soil, neglecting to deadhead spent flowers.

VI

Edible & utility

Edible parts:LeavesRootShoots
Edible uses: Oil
Other uses:oilFragrance
Contextrange · companions · related
VII

Distribution

92 native · 92 introduced
Distribution across4 continents· 92 native· 92 introduced
Europe38 regions
native (19)AlbaniaAustriaBelgiumBulgariaDenmarkFranceGermanyGreeceHungaryItalyNetherlandsNorwayPolandPortugalRomaniaSpainSwedenSwitzerlandUnited Kingdom
introduced (19)AlbaniaAustriaBelgiumBulgariaDenmarkFranceGermanyGreeceHungaryItalyNetherlandsNorwayPolandPortugalRomaniaSpainSwedenSwitzerlandUnited Kingdom
Asia16 regions
native (8)AfghanistanChinaJapanNepalPakistanSouth KoreaTaiwanTurkey
introduced (8)AfghanistanChinaJapanNepalPakistanSouth KoreaTaiwanTurkey
Americas6 regions
native (3)ColombiaEcuadorUruguay
introduced (3)ColombiaEcuadorUruguay
Africa6 regions
native (3)AngolaEswatiniLesotho
introduced (3)AngolaEswatiniLesotho
Broader regions
native:Alabama, Argentina Northeast, Arkansas, Brazil South, Brazil Southeast, British Columbia, California, Cape Provinces, Chile Central, Chile South, Connecticut, Czechoslovakia, Free State, Illinois, Indiana, KwaZulu-Natal, Maine, Manitoba, Massachusetts, Michigan, Montana, New Hampshire, New Jersey, New South Wales, New York, North Carolina, Northern Provinces, Nova Scotia, Ontario, Oregon, Pennsylvania, Québec, Queensland, Réunion, Rhode I., South Australia, South Carolina, Tasmania, Tennessee, Tristan da Cunha, Vermont, Victoria, Virginia, Washington, West Himalaya, West Virginia, Western Australia, Wisconsin, Yugoslavia
introduced:Alabama, Argentina Northeast, Arkansas, Brazil South, Brazil Southeast, British Columbia, California, Cape Provinces, Chile Central, Chile South, Connecticut, Czechoslovakia, Free State, Illinois, Indiana, KwaZulu-Natal, Maine, Manitoba, Masachusettes, Michigan, Montana, New Hampshire, New Jersey, New South Wales, New York, North Carolina, Northern Provinces, Nova Scotia, Ontario, Oregon, Pennsylvania, Québec, Queensland, Réunion, Rhode I., South Australia, South Carolina, Tasmania, Tennessee, Tristan da Cunha, Vermont, Victoria, Virginia, Washington, West Himalaya, West Virginia, Western Australia, Wisconsin, Yugoslavia
IX

Specimen gallery

1 image
Oenothera glazioviana (Large-Flower Evening Primrose) — botanical photograph
Large-Flower Evening Primrose (Oenothera glazioviana)
X

See also

8 related
XI

Explore further

Compare with similar plants
Growing zone
Native to
XII

About this entry

Last updated
Citation
How to cite this entry · Submit a correction
Back to the cataloguePlant id · a5255cb6-11ed-4b21-ba0a-644e1cdf48fb
Decision aid
Choosing between Large-Flower Evening Primrose and something else?
Compare with another plant

Continue reading

❦❦❦❦
Endpaper · archive updates

Get archive updates

Occasional email when substantial new content lands — plant profiles, seasonal growing notes, folk-remedy additions. Free, no tracking, unsubscribe anytime.

Newsletter returning soon.
We are rebuilding the update list around a lightweight editorial workflow. New dispatches will resume after the next content review cycle.
iCare notes