Californian poppy

Californian poppies are hardy annuals, so you can sow them outdoors in spring and they will flower in the summer

Californian poppy
Sow in spring


Common Name

Californian poppy varieties are often bright yellow or orange in colour and will cheer up your garden.

Growing Tips

Growing conditions

Sow these seeds to flower in sunny position with well drained soil.

When to grow

Sow in spring for flowers in summer and early autumn.

What you need

  • A packet of poppy seeds
  • Gardening gloves
  • A rake
  • A trowel
  • Plant label and pencil

How to grow

  1. Fill the pot with seed compost almost to the top. Take a small pinch of seed and sprinkle over the top of the compost.
  2. Add a light covering of compost over the seeds.
  3. Water the seeds in (give them a drink of water) and cover them with the polythene bag.
  4. Keep the seeds at a temperature of about 15°C (59°F). After they have germinated, remove the covering.
  5. Transfer the seedlings to a cold frame. Keep the seedlings in a cool but light place and protect from slugs and frosts.
  6. Plant the seedlings out in a sunny spot in the garden after the last risk of frost.

Get involved

The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.