Overview
Glaucium flavum is a plant with a clump forming habit in the genus Glaucium, part of the Papaveraceae family, with deciduous foliage. Glaucium flavum grows best in full sun, and tolerates most soils and any pH. Its UK hardiness is rated H6. Suggested uses include city and courtyard gardens, coastal, cottage and informal garden, gravel garden, wildlife gardens, flower borders and beds, garden edging and underplanting of roses and shrubs.
About
Glaucium flavum, the yellow horned poppy, yellow hornpoppy or sea poppy, is a summer flowering plant in the family Papaveraceae. It is native to Europe, Northern Africa, Macaronesia and temperate zones in Western Asia.
Wikipedia contributors, CC BY-SA 4.0 — Glaucium flavum
Growing conditions
Best soil and position for Glaucium
- Sunlight
- Full sun
- Soil type
- Chalk, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Well-drained
- Aspect
- South-facing, West-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H6
Plant details
Glaucium flavum size, habit and characteristics
- Habit
- Clump forming
- Foliage
- Deciduous
- Suggested uses
- City and courtyard gardens, Coastal, Cottage and informal garden, Gravel garden, Wildlife gardens, Flower borders and beds, Garden edging, Underplanting of roses and shrubs
Care notes
Pruning and caring for Glaucium flavum
- Propagation
- Seed in situ in spring or autumn
- Pest resistance
- Generally pest-free
- Disease resistance
- Generally disease-free
Frequently asked questions
Where is the best place to plant Glaucium flavum?
Glaucium flavum prefers full sun. It suits exposed and sheltered positions.
What soil does Glaucium flavum need?
Glaucium flavum is adaptable and grows happily in most soil types, including chalk, loam and sand. It is happy in soil of any pH. Aim for soil that stays well-drained.
Is Glaucium flavum hardy in the UK?
Glaucium flavum has an RHS hardiness rating of H6, meaning it is very hardy, tolerating -20 to -15°C across most of the UK.
How do I propagate Glaucium flavum?
Seed in situ in spring or autumn.