Primula 'Crescendo Blue Shades' (Polyanthus Primrose)
Polyanthus Primrose 'Crescendo Blue Shades', Primrose 'Crescendo Blue Shades', Crescendo Series
A reliable bloomer, Primula 'Crescendo Blue Shades' (Polyanthus Primrose) is a semi-evergreen perennial producing umbels of large, cobalt-blue flowers adorned with a bright yellow heart. Blooming from late winter to early spring, they stand out beautifully against the rosette of oval, wrinkled, dark green leaves. Easy to grow, this primrose looks terrific in large bedding displays with tulips and pansies.
- Recipient of the prestigious Award of Garden Merit of the Royal Horticultural Society.
- Grows up to 6-8 in. tall (15-20 cm) and 6-10 in. wide (15-25 cm).
- A part shade lover, it is best grown in humus-rich, moderately fertile, moist, well-drained soils.
- A versatile primrose that can be used in beds and borders, in cottage gardens, city gardens or in containers. Perfect for underplanting shrubs and roses.
- Deadhead after flowering. Watch out for pests such as aphids, leafhoppers, vine weevil, slugs and glasshouse red spider mite. May be subject to grey moulds.
- Propagate by seed or division in autumn and early spring
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Requirements
| Hardiness | 5
– 7 |
|---|---|
| Heat Zones | 5
– 7 |
| Climate Zones | 1, 1A, 1B, 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24 |
| Plant Type | Perennials |
| Plant Family | Primula - Primroses |
| Exposure | Partial Sun |
| Season of Interest |
Spring (Early) Winter |
| Height | 6" – 8" (15cm – 20cm) |
| Spread | 6" – 10" (15cm – 25cm) |
| Spacing | 10" (25cm) |
| Water Needs | Average |
| Maintenance | Low |
| Soil Type | Loam, Sand |
| Soil pH | Acid, Neutral |
| Soil Drainage | Moist but Well-Drained |
| Characteristics | Plant of Merit, Showy, Evergreen, Semi-Evergreen |
| Tolerance | Deer, Rabbit |
| Garden Uses | Beds and Borders, Edging, Patio and Containers, Underplanting Roses and Shrubs |
| Garden Styles | City and Courtyard, Informal and Cottage |
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By Chelnokov Vladimir/Shutterstock
While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.
Requirements
| Hardiness | 5
– 7 |
|---|---|
| Heat Zones | 5
– 7 |
| Climate Zones | 1, 1A, 1B, 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24 |
| Plant Type | Perennials |
| Plant Family | Primula - Primroses |
| Exposure | Partial Sun |
| Season of Interest |
Spring (Early) Winter |
| Height | 6" – 8" (15cm – 20cm) |
| Spread | 6" – 10" (15cm – 25cm) |
| Spacing | 10" (25cm) |
| Water Needs | Average |
| Maintenance | Low |
| Soil Type | Loam, Sand |
| Soil pH | Acid, Neutral |
| Soil Drainage | Moist but Well-Drained |
| Characteristics | Plant of Merit, Showy, Evergreen, Semi-Evergreen |
| Tolerance | Deer, Rabbit |
| Garden Uses | Beds and Borders, Edging, Patio and Containers, Underplanting Roses and Shrubs |
| Garden Styles | City and Courtyard, Informal and Cottage |
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