Centaurea nigra Common Knapweed-0
Centaurea nigra Common Knapweed-0
Centaurea nigra Common Knapweed-16924

Centaurea nigra (Common Knapweed)

£2.50

Out of stock

Overview

One of the very best nectar providers for butterflies and long tongued bees and also provides seeds in late summer and autumn for Goldfinches. Thistle-like flowers from June to September. Grassland native excellent for wildlife gardens.

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One of the very best nectar providers for butterflies and long tongued bees and also provides seeds in late summer and autumn for Goldfinches. Thistle-like flowers from June to September. Grassland native excellent for wildlife gardens.

All wildflowers are grown from seed on site. Seed is collected from the Wildlife Meadow here at Ashwood Nurseries when possible or from British suppliers.

Wildflowers are best planted in the spring or autumn when possible but can be planted in the summer if water can be provided.

Please see our delivery information page.

Flowering Months

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Flower Colour

Purple
Flower Type

Cluster
Flowering Month

July, August, September
Soil Type

Acid, Alkaline, Heavy clay, Light sandy, Normal, Thin chalky
Aspect

Sun, Partial Shade
Hardiness

Hardy
Foliage Type

Deciduous
Foliage Colour

Green
Height after 10 years*

90-120cm (3-4ft)
Pot Size

9 cm
Special Conditions

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Special Attributes

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Uses

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Quality you can trust

What our customers say

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  • Matthew C Verified Buyer
    Opened the box to find lovely plants / shrubs. In great condition, healthy and ready to plant. After care info included which was great. Will be ordering again and will recommend to others.
  • Maeve T Verified Buyer
    Absolutely top notch. Thank you
  • Daniel R Verified Buyer
    The plants were sent within a couple of days of ordering and arrived in excellent condition, well packed and protected. All plants were healthy and obviously well cared for at the nursery.
  • Anonymous Verified Buyer
    Top class plants brilliantly packaged 😊
  • Anonymous Verified Buyer
    Lovely plants,as always, which arrived very promptly. Just perfect.
  • Anonymous Verified Buyer
    First class nurseries, been using them for few years as you will receive your plants in a couple of days not a few weeks like mail order trees or gardening express! Plants are in top condition when arrive and packed really well! Best place to order plants is Ashwood nurseries
  • Philippa W Verified Buyer
    Good quality plants, well packaged for delivery. I have purchased from them before. There was a day's delay in the most recent delivery. It would be good to have messages giving despatch and delivery information.
  • James H Verified Buyer
    Our order was processed very quickly and the plants arrived in a good condition. I would use Ashwood again.
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