Primula acaulis
primrose
A rosette-forming evergreen or semi-evergreen perennial about 20cm tall, with tongue-shaped, deeply veined, bright green leaves, with scented, usually primrose-yellow flowers 2.5-3.5cm across, in early spring
Other common names
blue primroseculver keys
Size
Ultimate height
Up to 10cmTime to ultimate height
2–5 yearsUltimate spread
0–0.1 metreGrowing conditions
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Yellow | Green | ||
|---|---|---|---|---|
| Summer | Green | |||
| Autumn | Green | |||
| Winter | Green |
Position
- Full sun
- Partial shade
Aspect
South–facing or North–facing or West–facing or East–facing
Exposure
Sheltered Hardiness
H7Botanical details
- Family
- Primulaceae
- Native to GB / Ireland
- Yes
- Foliage
- Semi 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
Correct
- Horticultural Group
- Primrose group primulas are mainly grown as herbaceous perennials, and produce clusters of flowers on individual stems from the basal rosettes, although a few may also have umbel-like flowers. They are either spring-flowering, if grown without protection, or winter- to spring-flowering, if grown as biennial container plants in greenhouses or indoors.
- Plant range
- Europe, W Asia
How to grow
Cultivation
Grow as biennials for bedding, in a container, in a woodland garden, rock garden or naturalised in grass. Favours a sheltered position in sun or partial shade. See primula cultivation for further advice
Propagation
Propagate by seed or root basal cuttings
Suggested planting locations and garden types
- City and courtyard gardens
- Wildflower meadow
- Wildlife gardens
- Coastal
- Cottage and informal garden
- hanging basket
- Patio and container plants
- Rock garden
- Flower borders and beds
- Garden edging
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 subject to a leaf spot 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.