Wildflower Management: Species in an Annual Cornfield Mix

Neighbourhoods Green

Corn poppy (Papaver rhoeas)

Photo courtesy of RHS/Graham Titchmarsh

  • Height: 90cm
  • Spread: 30cm
  • Flowering period: June to August
  • Cultivation: grow in any well-drained fertile soil in full sun
  • Soil: well-drained; acid, alkaline or neutral; loam, chalk or sand
  • Sunlight: full sun
  • Aspect: any (North/ South/ East or West facing, sheltered or exposed)

Corn marigold (Chrysanthemum segetum)

Photo courtesy of RHS/Barry Phillips

  • Height: 50cm – 1m
  • Spread: 50cm
  • Flowering period: June to August
  • Cultivation: grow in ordinary garden soil but it prefers a well-drained sandy soil in full sun
  • Soil: any
  • Sunlight: full sun
  • Aspect: South-facing, West-facing or East-facing; sheltered or exposed

Corn chamomile (Anthemis arvensis)

Photo courtesy of RHS/Helen Bostock

  • Height: 40cm
  • Spread: 30cm
  • Flowering period: June to September
  • Cultivation: grow in any well-drained fertile soil in full sun
  • Soil: any
  • Sunlight: full sun
  • Aspect: any

Corncockle (Agrostemma githago)

Photo courtesy of RHS/Graham Titchmarsh.

  • Height: 50cm – 1m
  • Spread: 50cm
  • Flowering period: June to August
  • Cultivation: grow in any well-drained fertile soil in full sun
  • Soil: well-drained; acid, alkaline or neutral; loam or sand
  • Sunlight: full sun
  • Aspect: South-facing or West-facing; exposed or sheltered.

Cornflower (Centaurea cyanus) 

Photo courtesy of RHS/Ali Cundy

  • Height: 50cm – 1m
  • Spread: 50 cm
  • Flowering period: May to August
  • Cultivation: grow in well-drained soil in full sun
  • Soil: well-drained; neutral, acid or alkaline; sand or loam
  • Sunlight: full sun
  • Aspect: South-facing or West-facing; sheltered or exposed.