When should I sow radish?

In a typical UK garden, sow outside mid-March to late September, and harvest mid-April to late October. Later in Scotland, the north and frost pockets; earlier in the south-west and near the coast.

How far apart should I plant radish?

3 cm apart in the row, with rows 15 cm apart. In a square foot garden, that's 16 per square.

What grows well with radish?

Carrot, Lettuce, Pea, Cucumber, Spinach.

Radish

Raphanus sativus

In a typical UK garden, sow outside mid-March to late September, and harvest mid-April to late October.

When to sow, plant and harvest

Frost dates

Last frost around 20 April, first frost around 31 October.

Sow outdoors: mid-March to late September
Harvest: mid-April to late October

Spacing: 3 cm apart, rows 15 cm apart
Square foot: 16 per square (30 cm squares)
Sowing depth: 1 cm
Ready in: 25 to 35 days from sowing
Grows to: 15 cm
Hardiness: Hardy to about -5 °C
Sun: Copes with some shade
Crops for: One harvest

Growing tip

Sow a pinch every fortnight and keep it watered; dry soil makes radishes woody and hot.

Neighbours

Grows well with

Brassicas are one crop rotation group. Try not to grow them where any of the family grew in the last two or three years. How crop rotation works

More brassicas

Where these figures come from

Every crop in VegLog was checked against published growing advice. Dates are worked out from average frost dates, so they shift with your garden. For radish, we used:

Grow radish with VegLog

Add radish to a bed and VegLog reminds you when to sow, plant out and pick, timed to your own town's frost dates.