Alphabetical Plant Listing

Centaurea dealbata 'John Coutts' (Persian Cornflower)

Persian Cornflower 'John Coutts', Mealy Centaury 'John Coutts', whitewash Cornflower 'John Coutts', Centaurea 'John Coutts', Centaurea hypoleuca 'John Coutts'


Centaurea dealbata 'John Coutts' (Persian Cornflower) is a vigorous herbaceous perennial boasting showy lavender-pink flowers in summer and early fall. Attracting bees, butterflies and other admirers, the blossoms are carried on upright stems above a bushy clump of jagged lobed leaves white-felted beneath. This Persian Cornflower is well suited to growing in the sunny border, cottage gardens or city gardens.

  • Grows up to 20-24 in. tall (50-60 cm) and 18-24 in. wide (45-60 cm).
  • Performs best in full sun in well-drained soils.
  • Good choice for beds and borders, coastal gardens, cottage gardens, and city gardens.
  • No serious pest or disease issues. Keep an eye out for powdery mildew. Deer and rabbit resistant.
  • Deadhead regularly to prolong flowering, and cut back in autumn
  • Propagate by seed in containers in a cold frame in spring. Propagate by division in spring or autumn.
  • Centaurea dealbata is native to north Caucasus, Transcaucasia and Turkey.

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Requirements

Hardiness 3 – 9
Heat Zones 1 – 9
Plant Type Perennials
Plant Family Centaurea - Cornflowers
Exposure Full Sun
Season of Interest Summer (Early,Mid,Late)
Fall
Height 1' – 2' (30cm – 60cm)
Spread 1' – 2' (30cm – 60cm)
Spacing 18" – 24" (45cm – 60cm)
Water Needs Low, Average
Maintenance Low
Soil Type Loam, Sand
Soil pH Alkaline, Neutral
Soil Drainage Well-Drained
Characteristics Showy
Tolerance Deer, Rabbit
Attracts Birds, Butterflies
Garden Uses Beds and Borders
Garden Styles City and Courtyard, Coastal Garden, Informal and Cottage

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J Need, 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 3 – 9
Heat Zones 1 – 9
Plant Type Perennials
Plant Family Centaurea - Cornflowers
Exposure Full Sun
Season of Interest Summer (Early,Mid,Late)
Fall
Height 1' – 2' (30cm – 60cm)
Spread 1' – 2' (30cm – 60cm)
Spacing 18" – 24" (45cm – 60cm)
Water Needs Low, Average
Maintenance Low
Soil Type Loam, Sand
Soil pH Alkaline, Neutral
Soil Drainage Well-Drained
Characteristics Showy
Tolerance Deer, Rabbit
Attracts Birds, Butterflies
Garden Uses Beds and Borders
Garden Styles City and Courtyard, Coastal Garden, Informal and Cottage

Great Plant Combination Ideas with Centaurea - Cornflowers

Guides with Centaurea - Cornflowers

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