How to Care for a Cornflower

Written by bridget kelly
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How to Care for a Cornflower
Cornflowers have been grown in American gardens since colonial times. (Dynamic Graphics/Polka Dot/Getty Images)

The cornflower (Centaurea ), or bachelor's button as it is sometimes known, is an old-fashioned flowering annual, beloved for its small, blue flowers. Cornflowers are attractive in both fresh and dried cut flower arrangements and add a colour not often found in the garden. Cornflowers bloom in spring and summer and are relatively care free.

Skill level:
Easy

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Things you need

  • Fertiliser
  • Pruning shears

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Instructions

  1. 1

    Grow the cornflower in a full-sun location in the garden, unless you are in a particularly hot area of U.S. Department of Agriculture Hardiness zones 8 through 10. In that case, provide the cornflower with afternoon shade.

  2. 2

    Water the cornflower to a depth of 6 inches and then allow the soil to dry before watering again.

  3. 3

    Fertilise the cornflower with 10-10-10 fertiliser, at the rate suggested on the label, once a month while it is flowering. Apply the fertiliser to the soil around the plant and water it in to a depth of 6 inches.

  4. 4

    Deadhead the cornflower periodically throughout the growing season. To do this, snap off the flower head with your fingers or pruning shears.

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