Seed Treatment
No pre-treatment necessary. Do not soak or stratify. Seeds are naturally primed for cool-weather sowing.
Sowing Method
Surface sow. Do not cover with soil. Light is essential for germination. Gently press seeds into the soil using a board or flat tool to ensure contact.
Optimum Temperature
Germinates best between 10–15°C (50–59°F). Avoid high heat during germination.
Germination Time: 7 to 28 days
When to Sow
- Outdoors: Early spring (just as soil becomes workable) or late fall for natural stratification.
- Indoors: Not recommended—poppies dislike root disturbance.
Post-Germination Care
- Thin seedlings to 20–30 cm (8–12 in) apart once true leaves emerge.
- Water lightly but regularly—avoid waterlogging.
- Provide full sun and well-draining soil.
- Avoid transplanting once established; direct sowing is preferred.
Soil Requirements
Prefers loose, sandy, well-drained soil. Avoid rich or wet soils. Moderate fertility is ideal.
Watering
Water lightly during germination. Once established, poppies are drought-tolerant. Let soil dry between waterings.
Bloom Time
Flowers bloom in early to midsummer, typically 60–90 days after germination. Large, showy blooms last 1–2 weeks.
Deadheading & Seed Collection
Deadheading prolongs bloom, but allow some pods to mature for reseeding. Harvest pods when dry for seed saving.