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A picture of a Evening primrose

Evening primrose

Oenothera 'Twilight'

Also known as

Sun drops, Sun cups

Photo by CandideUK (All rights reserved)

Full Sun
Moderate watering
Half-hardy

H3

RHS hardiness

-5°C

Minimum temperature

Expected size

Height
Spread

60cm

Max

45cm

30cm

Min

-30cm

Flowering

  • spring
  • summer
  • autumn
  • winter

Evening primrose Overview

This genus consists of about 120 species of annuals, biennials and perennials. They will produce short-lived flowers which are borne during the summer, with 4 delicate petals which can be yellow or sometimes pink, red or white.

Common problems with Evening primrose

How to propagate Evening primrose

Division

You can propagate by seed or division in autumn or spring.

Seed

Cuttings

Softwood cuttings in late spring.

Other uses of Evening primrose

Grown for their profuse but short-lived flowers in summer. Suitable for coastal conditions. Oenothera biennis is used medicinally.