How to grow summer bedding from seed

How to grow summer bedding from seed

Brighten up your borders by growing summer bedding from seed. We show you how.

A table displaying which months are best to sow, plant and harvest.
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
At its best
At its best

Plant is not at its best in January

Plant is not at its best in February

Plant is not at its best in March

Plant is not at its best in April

Plant is not at its best in May

Plant is at its best in June

Plant is at its best in July

Plant is at its best in August

Plant is at its best in September

Plant is not at its best in October

Plant is not at its best in November

Plant is not at its best in December

To do
To do

Do not To do in January

Do not To do in February

Do To do in March

Do To do in April

Do not To do in May

Do not To do in June

Do not To do in July

Do not To do in August

Do not To do in September

Do not To do in October

Do not To do in November

Do not To do in December

Raising summer bedding plants from seed is easy, it saves you money and greatly extends the range of plant varieties you can grow.

The secret of germinating summer bedding seeds is a plentiful supply of warmth and light. Most seeds need a steady heat of 18-21°C to germinate, so do consider investing in a heated propagator to maintain a constant temperature through March and April.

Discover how to grow summer bedding from seed, below.

The secret of germinating summer bedding seeds is a plentiful supply of warmth and light.
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You Will Need

  • Peat-free seed compost
  • 10cm pots
  • Summer bedding seeds
  • Vermiculite

Step 1

Fill pots with seed compost, tap to settle, and lightly press the surface with the base of a pot. Space your seeds evenly over the compost.

Sowing seeds
Sowing seeds

Step 2

Cover seeds thinly with fine, sieved compost, or use a layer of vermiculite, a sterile material perfect for covering seeds.

Covering the seed with vermiculite
Covering the seed with vermiculite

Step 3

Germination rates vary between varieties. Wait until the seedlings are well developed with good roots before pricking out.

Pricking out the seedlings
Pricking out the seedlings

Step 4

Handle seedlings by their first leaves to avoid crushing the stem and plant individually into pots of seed compost.

Repotting the seedlings
Repotting the seedlings

Step 5

By late May or early June, late frosts should have passed and outdoor conditions will be warm enough to plant your bedding into their final position outside for a bright summer display.

Planting out the young plants
Planting out the young plants
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Water seedlings regularly in order to avoid compost drying out and after 4-6 weeks add a weekly liquid feed using a general fertiliser to promote strong and healthy growth.

Red watering can
portulaca-2

Summer bedding plants to sow