Alphabetical Plant Listing

Glaucium flavum (Yellow Horned Poppy)

Yellow Horned Poppy, Horned Poppy, Bruisewort, Sea Poppy, Seaside Poppy, Glaucium luteum


Glaucium flavum (Yellow Horned Poppy) is a short-lived perennial forming a handsome rosette of deeply incised, scalloped, blue-gray leaves. In late spring and summer, bright yellow poppy flowers, 3 in. across (8 cm), are borne on branched stems above the foliage. Adding months of color, they are attractive to bees. They give way to long, narrow, seed pods, 6 in. (15 cm), that ripen in late summer to spread their seed around the garden. Yellow 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 12-24 in. tall (30-60 cm) and 18 in. wide (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 – 9
Heat Zones 6 – 9
Plant Type Annuals, Perennials
Exposure Full Sun
Season of Interest Spring (Late)
Summer (Early,Mid,Late)
Height 1' – 2' (30cm – 60cm)
Spread 1' – 2' (30cm – 60cm)
Spacing 18" – 24" (45cm – 60cm)
Water Needs Low, Average
Maintenance Low
Soil Type Chalk, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Well-Drained
Characteristics Showy
Native Plants United Kingdom
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 Eva Gruendemann, Halina Pawlak, 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 – 9
Heat Zones 6 – 9
Plant Type Annuals, Perennials
Exposure Full Sun
Season of Interest Spring (Late)
Summer (Early,Mid,Late)
Height 1' – 2' (30cm – 60cm)
Spread 1' – 2' (30cm – 60cm)
Spacing 18" – 24" (45cm – 60cm)
Water Needs Low, Average
Maintenance Low
Soil Type Chalk, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Well-Drained
Characteristics Showy
Native Plants United Kingdom
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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