How to grow cabbages - planting them out

How to plant brassicas

Find out how to plant-out brassicas including sprouting broccoli and cauliflower, in our How-to guide.

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 at its best in January

Plant is at its best in February

Plant is at its best in March

Plant is at its best in April

Plant is 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 at its best in October

Plant is at its best in November

Plant is at its best in December

To do
To do

Do not To do in January

Do not To do in February

Do not To do in March

Do To do in April

Do To do in May

Do To do in June

Do 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

Brassicas form the mainstay of the vegetable plot all year round in the form of summer and winter cabbage, cauliflower, sprouting broccoli, calabrese and Brussels sprouts. Whether you’ve raised your own brassicas from seed or opted for ready-grown seedlings, spring and early summer is the time to plant them out.

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You Will Need

  • Young brassica plants
  • Soft string or twine
  • Hand fork or trowel
  • Seed trays or modules

Total time:

Step 1

Harden off greenhouse-raised plants by standing them in a sheltered spot outdoors for a week before planting. Before putting into the ground, make sure the compost around the seedling is moist by standing pots in trays of water for an hour. This will help roots establish quickly.

How to plant brassicas - planting them in the soil
How to plant brassicas – planting them in the soil

Step 2

Use a length of bamboo to keep rows straight when planting. Take out a hole large enough to accommodate the roots of the young plants, using a trowel. Depending on variety, aim to plant at 30cm – 45cm spacings.

How to plant brassicas - creating a ridge
How to plant brassicas – creating a ridge

Step 3

Knock the plant from its pot and set in the planting hole so that the top of the rootball is level with the surrounding soil. Use the trowel to fill in around the roots with soil. Firm around roots with your fingers and water well.

How to plant brassicas - planting the brassicas
How to plant brassicas – planting the brassicas

Step 4

Label the plant or row, then remove line. Water well while plants establish, and cover with fleece or fine netting to keep off cabbage white butterflies and birds.

How to plant brassicas - watering the plant
How to plant brassicas – watering the plant

Step 5

If slugs and snails are a problem, place a thick layer of eggshells around each plant to protect it until it becomes established.

How to plant brassicas - using eggshells to ward off slugs and snails
How to plant brassicas – using eggshells to ward off slugs and snails
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All brassicas like rich, hearty soil, so manure the ground well the autumn before planting.

Boots. Photo: Getty Images.