Growing Guide

POPPIES (PAPAVER RHOEAS)

selective focus photography of red petaled flower

Growing poppies from seed:

  • Is easy!

  • Growing poppies from seed is a rewarding process, as these vibrant flowering plants are well-suited to sunny environments with well-draining soil.

  • Once established, California poppies are low-maintenance and drought-tolerant, turning gardens into a spectacular display of orange blooms.

Direct Sow into the garden:
  • Timing: 2-4 weeks before last spring frost (Cold is needed for germination)

  • Seed Depth: Surface Sow

  • Germination time: 7-10 days

Quick Guide

Plant Specifications

Light Preference

Plant Height

Plant Spacing

Hardiness

Full Sun

18-24"

6-8"

Annual Zones 3-8

Perennial Zones 9-11

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Step-by-step Guide

Materials Needed:

  • Seeds

  • Garden soil

  • Trowel or garden fork

  • Watering can or garden hose

  • Mulch (optional)

Instructions:

  1. Timing:

    • Early spring is ideal for sowing seeds, especially in cooler climates. In warmer regions, fall planting allows the seeds to stratify naturally over winter.

  2. Select a planting site:

    • Choose a sunny location

    • Make sure the soil is well-draining. Sandy or rocky soils are ideal as they mirror the poppy's natural habit.

  3. Prepare the soil:

    • Loosen the soil to a depth of about 6 inches (15 cm) using a trowel or garden fork.

    • Remove any weeds, stones, or debris.

    • If the soil is heavy, consider mixing in some sand to improve drainage.

  4. Plant the Seeds:

    • Scatter the seeds thinly across the prepared soil surface. Poppies prefer to be surface sown as they need light to germinate.

    • Lightly press the seeds into the soil, but do not cover them.

  5. Water Gently:

    • Use a watering can or gentle spray nozzle on the water hose to gently water seeds.

    • Keep the soil moist but not waterlogged until the seeds germinate, which can take 10-15 days.

  6. Thin Seedlings:

    • Once seedlings have a few real leaves and are about 2 inches tall, thin them to about 6-10 inches apart. This ensures the plants have enough space to grow and reduces competition for nutrients.

  7. Ongoing Care:

    • Water as needed to keep the soil lightly moist during the growing season. Once established, California poppies are drought-tolerant.

    • Weed regularly to prevent competition.

    • Mulch can be added to help retain moisture and suppress weeds, but it's not essential.

  8. Enjoy Blooms:

    • Poppies typically bloom in late spring through summer.

    • Deadheading (removing spent flowers) can encourage more blooms.

  9. Harvest Seeds:

    • After the bloom period, allow some seed pods to dry on the plant if you wish to collect seeds for future planting.

    • Harvest the pods and store the seeds in a cool, dry place.

Following these steps will help ensure a beautiful display of poppies in your garden!