Radish

Ready in as little as four weeks. Perfect for filling gaps between slower crops.

Maturing this month

First sprouts in 3–5 days

Sow

Mar – Aug

Plant Out

—

Harvest

Apr – Sep

Type

Outdoor

Difficulty

Growing Calendar

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sow

Transplant

Harvest

This month: Apr

Start seeds indoors this week

•Fill tray with compost
•Sow seeds evenly
•Cover lightly with soil
•Water gently
•Place in warm light spot

Sowing Guide

What you'd find on the seed packet

Sow Depth

1cm

Spacing

2.5cm

Germination

3–5days

Thinning

Thin to 2.5cm apart after germination

Grower's Note

One of the fastest crops. Sow every 2 weeks from Mar–Aug for a continuous supply all season.

Growing Stages

Approximate weeks from sowing to harvest

Sprouting

1wks

Seeds germinate and first leaves emerge. Keep warm and moist.

Establishing

2wks

Root system develops and plant builds structure. Pot on if needed.

Maturing

2wks

Plant reaches full size and begins producing. Harvest at peak.

Total~5 weeksfrom seed to harvest

Companion Plants

CarrotLettucePeasNasturtiumSpinach

Climate Control

Today

—C

Humidity

—%

Water

Every 2–3 days

Sunlight

6+ hours direct sun

Watch Out For

! Flea beetle damages leaves
! Bolts if left too long
! Overcrowding reduces root size

Organic Gardening

Feed & protect without buying

Feed

Compost at Sowing

Work fine compost into the top layer of soil before sowing. Radishes grow fast and need little else — overfeeding causes leafy growth.

Pest

Garlic Spray for Flea Beetle

Steep 6 garlic cloves in 1L water overnight, strain, and spray on seedlings. Reapply after rain.

More recipes on the Sustainability pageExplore →

What You'll Need

Equipment for growing radish

Organic Seeds — Just Seed

Certified organic, open-pollinated

Modular Seed Tray

96-cell for precision sowing

Fine Mesh Netting

2m × 5m insect barrier

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Just Seed Shropshire Seaweed

Grown Organically

Every method in this guide works with natural systems — no synthetic chemicals, no shortcuts.

Read our approach

Related Crops

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Active

Rich, sun-ripened fruits packed with flavour. Start indoors for a long and rewarding season.

Lettuce

Active

Fast-growing and versatile. Sow every two weeks for a continuous harvest all season.

Peas

Sweet and tender straight from the pod. Easy to grow with the right support in place.

Kale

Active

Hardy and nutritious. Flavour improves after the first frost — a winter staple.

Radish

Growing Calendar

Sowing Guide

Growing Stages

Companion Plants

Climate Control

Watch Out For

Organic Gardening

What You'll Need

Related Crops

Tomato

Lettuce

Peas

Kale

Seasonal Updates