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Herbaceous Perennial

Centaurea montana 'Purple Heart'
  • 911±¬ÁÏ Plants for pollinators

perennial cornflower 'Purple Heart'

A hardy, rhizomatous mound-forming herbaceous perennial with lance-shaped grey-green leaves, hairy underneath and sometimes toothed or lobed. White flowers with a purple eye appear from late spring into summer

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Size
Ultimate height
0.5–1 metres
Time to ultimate height
1–2 years
Ultimate spread
0.5–1 metres
Growing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drained, °Â±ð±ô±ô–d°ù²¹¾±²Ô±ð»å
pH
Acid, Alkaline, Neutral
Colour & scent
StemFlowerFoliageFruit
Spring Green Grey Silver
Summer Purple White Green Grey Silver
Autumn
Winter
Position
  • Full sun
  • Partial shade
Aspect

South–facing or East–facing or °Â±ð²õ³Ù–f²¹³¦¾±²Ô²µ

Exposure
Exposed or Sheltered
Hardiness
H5
Botanical details
Family
Asteraceae
Native to the UK
No
Foliage
Deciduous
Habit
Matforming
Genus

Centaurea may be annuals, perennials or subshrubs, with simple or pinnately lobed leaves and showy thistle-like flowers-heads, often with enlarged outer florets

Name status

Accepted

How to grow

Cultivation

Tolerates most soil types, best grown in moist but well-drained soil in partial shade or sun.

Propagation

Division in spring. Also grow from seed or root cuttings

Suggested planting locations and garden types
  • Coastal
  • Cottage and informal garden
  • Patio and container plants
  • Wildflower meadow
  • Wildlife gardens
  • Cut flowers
Pruning

Deadheading of faded flowers to prolong flowering season. Cutting back foliage after flowering may encourage second flush of flowers.

Pests

Generally pest-free

Diseases

Powdery Mildew

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