Violet Horned Poppy (Roemeria hybrida)

Violet Horned Poppy

Roemeria hybrida

Delicate violet blooms carry poppy-like softness, a meadow gem. Annual flowering herb; common name: Violet Horned Poppy.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Requires full sun exposure for optimal blooming; tolerates partial shade in regions with extreme midday heat
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Watering Water deeply when the top 2–3 cm of soil feels dry; avoid overwatering to prevent root rot in poorly drained soil
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Temperature Thrives in cool to temperate spring temperatures; avoid prolonged exposure to temperatures above 30°C
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Characteristics

  • Leaf: Finely dissected, fern-like green leaves with soft, hairy texture
  • Flower: Solitary violet to purple cup-shaped blooms with crinkled, tissue-like petals
  • Stem: Slender, branching green stems covered in fine hairs
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Care Guide

Watering

Keep soil consistently moist during active growth and flowering

Fertilization

Light, low-nitrogen feed at planting. Over-fertilization may reduce blooming and promote excessive foliage growth

Eggshell powder topdressing:Crush baked, cooled eggshells into fine powder and sprinkle around the base of plants at planting; avoid direct contact with stems to prevent irritation
Pruning
  • Deadhead spent blooms regularly to encourage extended flowering throughout the season
  • Remove yellowing or damaged foliage to maintain plant appearance and improve airflow
  • Clear dead plant material after flowering to reduce pest and disease risk in subsequent growing seasons
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA unlisted; similar Papaveraceae species may cause mild gastrointestinal distress including vomiting or diarrhea

Humans: Contains mild alkaloids; ingestion may cause nausea, abdominal discomfort, or mild dizziness

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental garden plant; suitable for wildflower meadows and cottage garden borders