Poppy Opium

Papaver somniferum

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verifiedReviewed by the GreenScout Team

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.

Common Problems

Select the problem your Poppy Opium is experiencing to get a treatment guide.

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Underwateringchevron_right

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Overwateringchevron_right

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Leggy Growthchevron_right

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Wiltingchevron_right

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Slow Growthchevron_right

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

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Common Pests

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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.

Frequently Asked Questions

Is Poppy Opium safe to grow around children and pets?

No — all parts contain toxic alkaloids, and ingestion can cause sedation, respiratory depression, or poisoning, so keep it well out of reach of children and pets.

What happens to Poppy Opium after the flowers fade?

It produces attractive seed pods that dry beautifully on the stem, making them popular for dried cut arrangements even after the large silky flowers have dropped.