Overview
Oenothera tetragona 'Glaber' is a suckering herbaceous perennial in the genus Oenothera, part of the Onagraceae family, with deciduous foliage. Oenothera tetragona 'Glaber' grows best in full sun, and tolerates loam soils and neutral pH. Its UK hardiness is rated H5. Suggested uses include city and courtyard gardens, coastal, cottage and informal garden, gravel garden, prairie planting, low maintenance, banks and slopes and flower borders and beds.
About
Oenothera tetragona, the glaucous evening primrose, is a species of flowering plant in the family Onagraceae, native to eastern North America, and introduced to Germany, the Czech Republic, and Myanmar. The Royal Horticultural Society considers it a good plant to attract pollinators.
Wikipedia contributors, CC BY-SA 4.0 — Oenothera tetragona
About the genus
Oenothera is a genus of about 160 species of herbaceous flowering plants native to the Americas. The genus includes common evening primrose, sundrops and gaura. It is the type genus of the family Onagraceae.
Wikipedia contributors, "Oenothera", CC BY-SA 4.0 — Oenothera
Growing conditions
Best soil and position for Oenothera
- Sunlight
- Full sun
- Soil type
- Loam
- Soil pH
- Neutral
- Soil moisture
- Well-drained
- Aspect
- South-facing
- Exposure
- Sheltered
- UK hardiness
- H5
Plant details
Oenothera tetragona 'Glaber' size, habit and characteristics
- Plant type
- Herbaceous Perennial
- Habit
- Suckering
- Foliage
- Deciduous
- Suggested uses
- City and courtyard gardens, Coastal, Cottage and informal garden, Gravel garden, Prairie planting, Low Maintenance, Banks and slopes, Flower borders and beds
Care notes
Pruning and caring for Oenothera tetragona 'Glaber'
- Propagation
- Seed sown in containers in a cold frame in early spring, Division in early spring, Softwood cuttings of unflowered shoots from late spring to midsummer
- Pest resistance
- Slugs, Aphids
- Disease resistance
- Leaf spot, Powdery mildews, Downy mildews, Root rot in rich, wet, heavy soil
Frequently asked questions
Where is the best place to plant Oenothera tetragona 'Glaber'?
Oenothera tetragona 'Glaber' prefers full sun. It suits sheltered positions.
What soil does Oenothera tetragona 'Glaber' need?
Oenothera tetragona 'Glaber' grows best in loam soil. It prefers neutral soil. Aim for soil that stays well-drained.
Is Oenothera tetragona 'Glaber' hardy in the UK?
Oenothera tetragona 'Glaber' has an RHS hardiness rating of H5, meaning it is hardy in most of the UK, tolerating -15 to -10°C.
How do I propagate Oenothera tetragona 'Glaber'?
Seed sown in containers in a cold frame in early spring, Division in early spring, Softwood cuttings of unflowered shoots from late spring to midsummer.
More in the Oenothera genus
- Oenothera fruticosa 'Michelle Ploeger'Narrowleaf Evening Primrose
- Gaura lindheirmeri 'Cool Breeze'
- Oenothera lindheimeri Baby Butterfly Dark Pink ('Uriblbp'PBR) (G)