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Centaurea dealbataPerennial Cornflower

Hardy Perennial

What is Hardy Perennial?
A plant that lives for more than two years.
Capable of withstanding outdoor winter temperatures down to -15C.

£19.99

40% (1 Review)

An abundance of lavender-pink flowers

Irresistible to butterflies and pollinating insects

Perfect for herbaceous borders, cottage gardens and wildlife areas

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Height Up to 90cm (35.4in)
Spread Up to 60cm (23.6in)

Hardy Perennial

cottage gardenswildlife gardenscut flower garden

Full sun

JAN
FEB
MAR
APR
MAY
JUN
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OCT
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Flowering Months

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Description
This clump forming perennial Cornflower bears an abundance of lavender-pink flowers from midsummer, which are irresistible to butterflies and pollinating insects. Commonly known as Bachelor's Buttons, Centaurea dealbata will quickly form dense clumps of large, ornately cut foliage. Plant them en masse and they will knit together to create fabulous swathes of ground cover. This fuss-free perennial is perfect for herbaceous borders, cottage gardens and wildlife areas. Height: 90cm (36"). Spread: 60cm (24").

Plant height and spread is seasonal therefore we list by pot size rather than a defined plant size. The height and spread of the plant delivered will vary depending on the season, meaning arrival images are an indication only.

Show Codes

2 x 9cm Potted Plants (T77485P)

1 x 9cm Potted Plant (63964)

1 x 1 Litre Potted Plant (KF3815)

How to Grow
Grow Centaurea in borders in full sun. Knapweed is drought tolerant once established and will happily tolerate almost any soil, except those that are excessively waterlogged.
More Info
Knapweed plants require little maintenance. In autumn, remove the old foliage and faded centaurea flower stems, and apply a mulch of well rotted manure or garden compost around the base of the plant in spring.
Delivery

Seeds and garden supplies will normally be delivered within the time period stated against each product as detailed above. Plants, bulbs, corms, tubers, shrubs, trees, potatoes, etc. are delivered at the appropriate time for planting or potting on. Delivery times will be stated on the product page above, or in your order acknowledgement page and email.

Orders for packets of seed incur a delivery charge of £2.99.

Orders which include any other products will incur a delivery charge of £6.99.

Where an order includes both packets of seeds and other products, a maximum delivery charge of £7.99 will apply - regardless of the number of items ordered.

Large items may incur a higher delivery charge - this will be displayed in your shopping basket.

Please see our Delivery page for further details, and more information on different charges that may apply to certain destinations.

For more information on how we send your plants please visit our Helpful Guide on plant sizes.

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