Primula Belarina Cobalt Blue (Primrose)

Very floriferous and vigorous, Primula ‘Belarina Cobalt Blue’ is a short-lived, semi-evergreen perennial forming a rosette of bright green leaves, topped with sturdy stems bearing large, fragrant, rich blue, double flowers. Blooming profusely from early to late spring, the upright-facing blooms look great at the front of borders or in containers.

Very floriferous and vigorous, Primula 'Belarina Cobalt Blue' is a short-lived, semi-evergreen perennial forming a rosette of bright green leaves, topped with sturdy stems bearing large, fragrant, rich blue, double flowers. Blooming profusely from early to late spring, the upright-facing blooms look great at the front of borders or in containers.

  • Grows up to 5-8 in. tall (12-20 cm) and 10-12 in. wide (25-30 cm).
  • A full sun or part shade lover, it is best grown in humus-rich, moderately fertile, consistently moist, well-drained soils.
  • This plant is very versatile and can be used in beds and borders, cottage gardens, city gardens, or in containers. Perfect for underplanting shrubs and roses.
  • A low-maintenance plant (cut back after flowering). Watch out for pests such as aphids, vine weevil, slugs, leaf and bud eelworms, leaf-mining flies, and glasshouse red spider mite. May be subject to leaf spot, primula brown core, and gray molds.
  • Propagate by division in the fall or after flowering.

Requirements

Hardiness 4
– 8

Heat Zones 1
– 8

Climate Zones 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 14, 15, 16, 17, 21, 22, 23, 24, A3
Plant Type Perennials
Plant Family Primula – Primroses
Exposure Full Sun, Partial Sun
Season of Interest Spring (Early,Mid,Late)
Height 5"
– 8"
(12cm
– 20cm)
Spread 10"
– 1'
(25cm
– 30cm)
Spacing 12″ (30cm)
Water Needs Average
Maintenance Low
Soil Type Chalk, Clay, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained
Characteristics Fragrant, Showy, Semi-Evergreen
Garden Uses Beds and Borders, Patio and Containers, Underplanting Roses and Shrubs
Garden Styles City and Courtyard, Informal and Cottage