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Centaurea cyanus ‘Jubilee Gem’

Cornflower

Garden

Wishlist

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Features

  • BloomsJuly to July
  • Height0.1m
  • Growth HabitStalked clump
  • Flower ColourDark blue
  • Leaf ColourGrey-green

Description

Centaurea cyanus ‘Jubilee Gem’ (Cornflower). This plant produces large, double, dark blue flowerheads in mid summer.

Characteristics

Annual, Deciduous, Herbaceous

Origin

Mediterranean, Southern Europe

Interest and use

Cutting bed

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Needs

  • LightFull sun or Part shade
  • HardinessHardy (min -10°C)
  • SoilHeavy, Well drained, Light, Medium, Sandy, Poor quality
  • Soil pH7.0 to 9.0
  • WaterSemi-moist or Dry

Cultivation

They will thrive in full sun except in a scorching summer heat and will tolerate partial shade. Grow in any soil as long as it is well drained. Dead head to prolong flowering.

Propagation

Darkness is necessary for seed germination.

Pests, diseases or disorders

Powdery mildew.

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