Alphabetical Plant Listing

Glaucium corniculatum (Red Horned Poppy)

Blackspot Hornpoppy, Bristly Horned Poppy, Red Horned Poppy, Glaucium flavum var. auranticum


Extremely showy, Glaucium corniculatum (Red Horned Poppy) is a biennal or short-lived perennial forming a handsome rosette of slightly hairy, scalloped, blue-gray leaves. In summer, rich orange-red poppy flowers are produced freely on long stems above the foliage. Adding months of color, they are attractive to bees. They give way to long, narrow, seed pods that ripen in late summer to spread their seed around the garden. Red Horned Poppy is easy to grow and undemanding. It reseeds freely in good growing conditions, springing up and shining in the garden year after year.

  • Grows up to 12-18 in. tall (30-45 cm) and 15-18 in. wide (37-45 cm).
  • Prefers full sun in poor to moderately fertile, well-drained soils. Provide occasional to little water. Resents root disturbance. Drought tolerant once established.
  • Virtually pest and disease free. Deer resistant.
  • Perfect for beds and borders, coastal gardens, cottage gardens or wildlife gardens.
  • Sow seed in situ in spring or autumn.
  • Roots are toxic if ingested.
  • Native to Europe Africa Asia.

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Requirements

Hardiness 6 – 10
Plant Type Annuals, Perennials
Exposure Full Sun
Season of Interest Summer (Early,Mid,Late)
Height 1' – 2' (30cm – 60cm)
Spread 1' – 2' (30cm – 60cm)
Spacing 10" – 16" (25cm – 40cm)
Water Needs Low, Average
Maintenance Low
Soil Type Chalk, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Well-Drained
Characteristics Showy
Tolerance Deer, Drought
Garden Uses Beds and Borders
Garden Styles Coastal Garden, Gravel and Rock Garden, Informal and Cottage, Prairie and Meadow

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By Irina Kononova, Shutterstock

While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.


Requirements

Hardiness 6 – 10
Plant Type Annuals, Perennials
Exposure Full Sun
Season of Interest Summer (Early,Mid,Late)
Height 1' – 2' (30cm – 60cm)
Spread 1' – 2' (30cm – 60cm)
Spacing 10" – 16" (25cm – 40cm)
Water Needs Low, Average
Maintenance Low
Soil Type Chalk, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Well-Drained
Characteristics Showy
Tolerance Deer, Drought
Garden Uses Beds and Borders
Garden Styles Coastal Garden, Gravel and Rock Garden, Informal and Cottage, Prairie and Meadow

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