Primula 'Crescendo Blue Shades' (Crescendo Series) (Pr/Poly)
polyanthus 'Crescendo Blue Shades'
A short-lived perennial to 25cm, usually grown as an annual, forming a rosette of oblong leaves, with erect stems bearing an umbel of large blue flowers with conspicuous yellow eyes
Size
Ultimate height
0.1–0.5 metresTime to ultimate height
1–2 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Blue Yellow | Green | ||
|---|---|---|---|---|
| Summer | Green | |||
| Autumn | Green | |||
| Winter | Blue Yellow | Green |
Position
- Full sun
- Partial shade
Aspect
South–facing or East–facing
Exposure
Exposed or Sheltered Hardiness
H5Botanical details
- Family
- Primulaceae
- Native to GB / Ireland
- No
- 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
Accepted
- Horticultural Group
- Polyanthus group primulas are rosette-forming perennials with umbels of salver-shaped flowers. They are usually grown as biennials by sowing seed in summer and planting out in autumn for flowers in winter and spring.
How to grow
Cultivation
Grow in fertile, humus-rich, moist but well-drained soil in full sun or partial shade, do not allow to dry out in hot weather
Propagation
Propagate by seed sown in spring
Suggested planting locations and garden types
- Cottage and informal garden
- City and courtyard gardens
- Patio and container plants
- Flower borders and beds
- Underplanting of roses and shrubs
- Garden edging
Pruning
Cut back after flowering
Pests
May be susceptible to aphids, glasshouse red spider mite, leafhoppers, vine weevil and slugs
Diseases
May be subject to grey moulds, primula brown core and a virus
Get involved
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