Thompson & Morgan Californian Poppy Mixed 1 Seed Packet (600 Seeds) - MPN: 23797

An easy-to-grow and stunning mix of semi-double and double blooms in a range of bright and beautif...

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The Thompson & Morgan Californian Poppy Mixed seed packet is ideal for beginner gardeners and those looking to add vibrant, low-maintenance color to dry or poor soil areas. These hardy annuals provide a beautiful display of semi-double and double blooms that attract vital pollinators like bees and hoverflies, though potential growers should note that they require full sun and well-drained conditions to thrive.

All features

Model Part Number23797
BrandThompson & Morgan

Extended Product Information

FAQs

When is the best time to sow Californian poppy seeds?

You can sow them outdoors from March to May, or in September for overwintering.

Can I grow these in pots?

Yes, they can be grown in containers, provided the pots have excellent drainage and access to full sun.

Do I need to fertilize the soil?

No, these poppies actually prefer poor soil and generally do not require extra fertilizer.

How deep should I sow the seeds?

Sow the seeds at a depth of 1cm (1/2 inch).

Are these flowers good for pollinators?

Yes, the bright, nectar-rich flowers are excellent for attracting bees and hoverflies to your garden.

How far apart should I thin the seedlings?

Thin the seedlings so that they are spaced 15cm (6 inches) apart.

Troubleshooting

Seeds failing to germinate

Ensure they were not planted too deep and that the soil is kept consistently moist during the first 3 weeks.

Leggy or weak growth

This usually indicates insufficient light; ensure the plants are in a position receiving full sun.

Plants rotting

Check soil drainage; Californian poppies cannot tolerate waterlogged conditions.

Pros and Cons

Pros

  • Extremely easy to grow and maintain
  • Thrives in challenging, poor soil conditions
  • Excellent for attracting pollinators
  • Suitable for both direct sowing and indoor starting

Cons

  • Flowers are relatively short-lived when cut
  • Requires full sun to perform at its best
  • Not suitable for heavy or waterlogged soil

Setup, Compatibility & Care

To ensure success, select a site that receives full, direct sunlight throughout the day. Prepare the soil by raking it to a fine tilth to ensure good seed-to-soil contact. For direct sowing, plant at a depth of 1cm and space rows 15cm apart. Keep the soil moist during the initial germination phase, which typically takes 14-21 days. Once seedlings appear, thin them to 15cm apart to allow for proper airflow. If starting indoors, maintain temperatures between 15-21C (60-70F) before transitioning them to cooler conditions prior to outdoor planting.