Primula reidii var. williamsii (So)
P. reidii var. williamsii is a robust, rosette-forming, deciduous perennial with scalloped or lobed leaves up to 20cm long. In summer produces compact clusters of hanging, bell-shaped, pale blue and white, fragrant flowers on 15cm stems
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
AcidColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Blue White | Green | ||
| Autumn | Green | |||
| Winter |
Position
- Full shade
- Partial shade
Aspect
North–facing or East–facing
Exposure
Sheltered Hardiness
H7Botanical details
- Family
- Primulaceae
- Native to the UK
- No
- Foliage
- Deciduous
- 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
How to grow
Cultivation
Grow in deep or partial shade in peaty, gritty, moist but very well-drained soil, protected from excessive winter wet, or grow in an alpine house or cold frame in a mix of equal parts loam-based potting compost, leaf mould, peat or peat substitute and grit
Propagation
Propagate by division in spring or by seed sown from autumn to spring
Suggested planting locations and garden types
- Cottage and informal garden
- Rock garden
- Flower borders and beds
Pruning
Cut back after flowering
Pests
May be susceptible to aphids, vine weevil, leafhoppers, slugs and glasshouse red spider mite
Diseases
May be affected by viruses, grey mould and primula leaf spot
Get involved
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