Primula Cowichan hybrids
primrose Cowichan hybrids
A selection of rosette-forming evergreen perennials with dark green to bronze foliage and upright stems of flowers in either yellow, purple, red or blue appearing in late winter to spring. Some of the selection have no eye at all whilst others have an unusually small eye
Size
Ultimate height
0.1–0.5 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Yellow Purple Red Blue | Green Bronze | ||
|---|---|---|---|---|
| Summer | Green Bronze | |||
| Autumn | Green Bronze | |||
| Winter | Yellow Purple Red Blue | Green Bronze |
Position
- Full sun
- Partial shade
Aspect
East–facing or North–facing or South–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H5Botanical details
- Family
- Primulaceae
- Native to GB / Ireland
- No
- Foliage
- Evergreen
- Habit
- Clump forming
- Genus
Primula are herbaceous or semi-evergreen perennials, forming a basal rosette of simple leaves, with salver-shaped or bell-shaped flowers which may be solitary or carried in an umbel or in whorls on an erect stem
- Name status
Unresolved
How to grow
Cultivation
Grow in full sun or partial shade in moderately fertile, moist but well-drained, humus-rich soil
Propagation
Propagate by division in autumn or after flowering
Suggested planting locations and garden types
- Cottage and informal garden
- Patio and container plants
- Flower borders and beds
- Garden edging
- Underplanting of roses and shrubs
Pruning
No pruning required
Pests
May be susceptible to aphids, vine weevil, slugs, leaf and bud eelworms, leaf-mining flies and glasshouse red spider mite
Diseases
May be susceptible to primula leaf spot, primula brown core and grey moulds
Get involved
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.