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Growing Radish

How to grow Radish in garden beds, containers, pots  and allotments



Family/Latin Name

Brassicaceae - Raphanus sativus

Type of Plant

Brassica - Crop Rotation Group = Brassicas

Suitable for

Garden Beds, Containers, Pots, Allotments

Pests & Diseases    Companion Plants    In the Kitchen

See also:-  Vegetable Growing Glossary  |    Container Growing  | Buying Seeds & Plants


Plant Dimensions

Height up to 15cm/6"  - Spread up to 15cm/6"

Yield per Plant
Yield per 1.5m/5ft row
1 Radish

Time between sowing and harvesting

3-8  weeks

Where to Sow

Outdoors in open ground or in containers

Sowing time

Summer Varieties - Late March to July  - temperature   +10C/50F. 

Winter Varieties - July - August

How to Sow

12mm/½" deep - very thinly -  in rows 15cm/6" apart or in groups/blocks. Successive sowing is recommended to prevent a glut. Sow a few seeds every 2 weeks.

After Germination

Thin to 2.5cm/1" apart. Protect from birds. Keep the soil moist but not very wet.

Growing on -  in Pots

Make sure plants are kept watered regularly. Avoid prolonged dry periods to prevent splitting.

Growing on- in open ground

As above


As above


Pull alternate plants as required to allow remaining globes to grow bigger These crop over 16-18 weeks. Winter Varieties can be harvested from October onwards.

Pests and Diseases

Companion Plants

Flea Beetle
Indications Young leaves have numerous little round holes. Seedlings may die or growth stunted
Treatment Organic
Water seedlings regularly during dry spells
Spray with Pyrethrum
Prevention Organic
1. Sow early to miss most severe attacks
2. Cover with garden fleece
3. Water seedlings regularly during dry spells
Spray with Pyrethrum
Club Root
Indications Discoloured leaves which wilt in warm weather, swollen, solid galls on roots
Treatment None - lift and burn diseased plants
Prevention Organic
1. Lime plot where you intend growing brassicas
2. Do not grow brassicas in the same place for 2-3 years (crop rotation)
3. Make sure the site is well drained
Indications Holes in leaves or much of the leaf eaten away in severe cases
Treatment Organic
Inspect plants regularly and pick off eggs or caterpillars. The caterpillars like to lie right next to the veins of leaves, sometimes making them difficult to find
Spray with a pesticide containing Fenitrothion
Prevention 1. Try growing crops under a net which will prevent the butterflies/moths getting to the plant to lay their eggs
2. Pick off and destroy eggs as soon as you see them to prevent them from hatching
Cabbage Root Fly
Indications Stunted growth especially seedlings. Discoloured wilted leaves. Roots are black and rotted with maggot damage and tunnelling and white maggots present
Treatment Organic
Prevention 1. Grow crops under a tent of fleece
2. Dispose of affected plants and practice crop rotation in future years

Companion Flower Graphic



Pea, Nasturtium, Lettuce, Cucumber



If you know aphids are a problem in your area, grow flowers such as nasturtiums, calendula asters,  dahlias, and zinnias nearby but not close to parsnips as aphids find them attractive so they act as a lure.

Create a bio-diverse environment by planting flowers nearby to attract bees, ladybirds and other "friendlies". 


To learn more about companion planting click here.


In the Kitchen

Storage: Twist off the leaves. Wash, place in a plastic bag and store for up to 2  weeks  in the refrigerator

Preparing:  Twist off leaves and trim the tapering root if present. Wash well - no need to peel summer varieties however large winter roots should be peeled before cooking.

Cooking:  Summer varieties are usually eaten raw, however winter varieties can be cooked. They are good served with a sauce such as parsley sauce or merely tossed in melted butter.



Thick Slices  =    10  minutes


Slices  =  Stir fry 5- 10 minutes

For more preparation and cooking information about radish plus lots of  recipes visit our sister site www.recipes4us.co.uk.

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