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Poppy Opium

Papaver somniferum

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Opium poppies are tall, graceful annuals or biennials with large, silky flowers in shades of pink, red, white, or purple, and distinctive blue-grey foliage. They produce attractive seed pods that dry beautifully and are popular in cut arrangements. These plants prefer cool climates and well-drained soil, thriving in full sun.

Poppy Opium

Common Problems

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Care Guide

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Light
Full sun (6–8 hours daily)
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Water
Moderate; water when soil surface is dry. Reduce watering in winter. Avoid waterlogging.
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Soil
Well-draining, sandy or loamy soil. Add compost or grit to improve drainage. pH 6.0–7.5.
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Fertiliser
Light feeding with balanced fertilizer once monthly during growth. Avoid excess nitrogen, which promotes foliage over flowers.
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Temperature
Cool to moderate, 50–70°F (10–21°C). Tolerates frost once established.
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Humidity
Low to moderate. Good air circulation helps prevent disease.

Toxicity

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All parts contain toxic alkaloids. Ingestion can cause sedation, respiratory depression, or poisoning.

Common Diseases

Common Pests

Seasonal Care

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Resume regular watering and feeding as growth picks up.

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Peak growing season. Water and feed regularly.

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Reduce watering as growth slows. Stop heavy feeding.

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Minimal watering and feeding. Protect from frost if needed.

Poppy Opium Care Guide — Papaver somniferum | GreenScout