Centaurea montana 'Purple Heart'
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
Size
Ultimate height
0.5鈥�1 metresTime to ultimate height
1鈥�2 yearsUltimate spread
0.5鈥�1 metresGrowing conditions
Moisture
Moist but well鈥揹rained, 奥别濒濒鈥揹谤补颈苍别诲pH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green Grey Silver | |||
|---|---|---|---|---|
| Summer | Purple White | Green Grey Silver | ||
| Autumn | ||||
| Winter |
Position
- Full sun
- Partial shade
Aspect
South鈥揻acing or East鈥揻acing or 奥别蝉迟鈥揻补肠颈苍驳
Exposure
Exposed or Sheltered Hardiness
H5Botanical 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
Centaurea montana 'Purple Heart'
perennial cornflower 'Purple Heart'
911爆料
911爆料 is the UK鈥檚 leading gardening charity. We aim to enrich everyone鈥檚 life through plants, and make the UK a greener and more beautiful place.