Centaurea montana 'Alba'

mountain knapweed

2 litre pot
pot size guide
£7.99 Buy
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  • Position: full sun
  • Soil: well-drained soil
  • Rate of growth: average
  • Flowering period: May to July
  • Hardiness: fully hardy

    This perennial cultivar of the annual cornflower has shaggy white flowers with reddish violet centres that are twice the size of the native species. It flowers from May to July and has lance-shaped, mid-green leaves. It looks particularly good with old cottage garden favourites such as lupins and catmint, or with grasses. An excellent plant for the middle of a well-drained, sunny border.

  • Garden care: Stake with brushwood or bamboo canes before the flowers appear. Cut back to the ground after flowering and you may get a second flush of flowers. Lift and divide large clumps every three years in spring.

Erigeron karvinskianus

Mexican fleabane

Daisy like flowers turn from white to pink

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Dianthus carthusianorum

carthusian pink

Vibrant magenta flowers

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Geranium sanguineum 'Album'

bloody cranesbill

Pure white flowers in early summer

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Nepeta racemosa 'Walker's Low'

catnip

Long flowering period

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Perovskia 'Blue Spire'

Russian sage

Violet-blue flowers and silvery foliage. Great planted en masse

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Anemanthele lessoniana

pheasant's tail grass (syn. Stipa arundinacea )

Versatile and colourful

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REVIEW SNAPSHOT®

by PowerReviews
CrocusCentaurea montana'Alba'
 
4.0

(based on 1 review)

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4.0

Good contrast

By Barbi-Can

from Shropshire

Pros

  • Gap-filler

Cons

  • Flimsy

Best Uses

  • Mixed Planting

Comments about Crocus Centaurea montana'Alba':

Lovely as a foil for other perennials, such as peonies & Lychnis. Needs constant dead-heading.

  • Your Gardening Experience:
  • Experienced

Comment on this review

 

How to get more flowers

How to get more flowers

Many flowering plants can be encouraged to produce better and longer-lasting displays with the minimum of effort. A plant produces flowers in order to reproduce and ensure the survival of the species. Once a plant has flowered and fertilisation has taken

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Prairie

Indulge a passion for ornamental grasses by creating a prairie- or meadow-style garden. They can be richly planted with native wildflowers or a selection of complementary perennials and self-seeding annuals to create a naturalistic planting effect.

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Thin out hardy annuals

Hardy annuals such as candytuft, California poppy and cornflowers sown direct last month into a prepared seedbed [link to making a seedbed] will need thinning to the correct spacing. Thin the flower seedlings when they are large enough to separate so the

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Get more flowers

Deadheading will prevent them setting seed and so use their energy producing a further flush of blooms later on. Plants that respond well to deadheading include annuals such as Ageratum, Alyssum, Antirrhinum, Calendula, Centaurea, Cosmos, Dahlia, foxglove

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