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We have combined these two powerful search tools into a single Find a Plant service searching over 250,000 plant records.
Virtually all of the features of the old searches are still available and in addition we have added several new features to create a more comprehensive and user friendly search experience.
When using this search
Search by plant name, key attributes or both to find plant details and a list of
AGM plants have been through a rigorous trial and assessment programme. They are:
This plant will provide nectar and pollen for bees and the many other types of pollinating insects.
It is included in an evolving list of plants carefully researched and chosen by RHS experts. Divided into 3 groups these lists, linked below, are maintained by a team of RHS staff and are reviewed annually.
© RHS 2002
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Other common names
common evening primrose coffee plant
cure-all fever plant field primrose four o'clock German rampion large rampion night willowherb scabbish scurvish wild four o'clock
Oenothera glabra Miller Oenothera odorata Hook. & Arn.
Oenothera can be annuals, biennials or perennials, upright or spreading in habit, with simple or lobed leaves and bowl-shaped, white, yellow or pink flowers over a long period in summer
O. biennis is an erect biennial to 1.5m, with a basal rosette of oblong leaves and long, leafy racemes of bowl-shaped, fragrant, yellow flowers which open in the evening in summer and autumn
All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets
Aspect South-facing or West-facing
pHNeutral, Acid, Alkaline
Time to ultimate height
Grow in poor to moderately fertile, well-drained soil in full sun
Propagate by seed sown in early summer
Suggested planting locations and garden types
Flower borders and beds
Cottage & Informal Garden Wildflower meadow
Pruning Cut back after flowering
Pests Generally pest free
May be subject to powdery mildews and a leaf spot
RHS members can get exclusive individual advice from the RHS Gardening Advice team.
common evening primrose
Buy from £2.49 at the RHS Plants Shop
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Join the RHS today and get 12 months for the price of 9