PlantSowGrow
How to grow Radish (French Breakfast)
Raphanus sativus
🥕 Vegetable
🌱 Grown each year
Crisp, mild, red-and-white radishes ready in as little as four weeks — the perfect first crop for beginners.
At a glance: Sow mid March to mid August, harvest from mid April.
When to sow, plant and harvest
JanFebMarAprMayJunJulAugSepOctNovDec
Sow outdoors
Harvest
Timed for a typical UK garden (last frost mid-April). The app uses your own town's frost dates.
Growing Radish (French Breakfast): what it needs
- Light
- Full sun · 6+ hours a day
- Watering
- Water regularly in dry weather
- Soil
- Fertile, well-drained soil
- Spacing
- 3 cm
- In pots
- Grows well in containers
- Feeding
- A general feed before sowing or planting
- Harvest
- About 28 days from sowing
- Hardiness
- USDA zones 3–9
- Difficulty
- Easy
Step by step
- Mid March – mid August · 4 weeks before the last spring frost
Sow Seeds Outdoors
Sow thinly in drills where they are to grow.
- 4–8 days after “Sow Seeds Outdoors” · Late March
Check Germination
Seedlings should appear in 4–8 days. If sown outdoors, thin to 3 cm apart when big enough to handle.
- 20–41 days after “Check Germination” · Mid April – early May
Start Harvesting
Pull when about 2 cm across.
- 14–28 days after “Start Harvesting” · Late April – early May
Sow Another Batch (optional)
Sow a short row every 2 weeks for a steady supply — they go woody if left.
- 14–44 days after “Sow Another Batch” · Early May – early June
Finish and Clear
Clear the remains to the compost heap once cropping ends.
