Winter radish (black, daikon)
Roots and tubers · Raphanus sativus var. niger · Cabbage family · Annual
Sown in midsummer for an autumn harvest that keeps all winter in a cellar. Sown in spring it bolts in the long days.
Midsummer, about 10–12 weeks before the first autumn frost
How it grows
| Sun | Full sun |
|---|---|
| Moisture | Normal |
| Soil | light (sandy, sandy loam) |
| Spacing | 15 cm |
| Rotation group | Brassicas & leafy greens |
| How to plant | seed in the ground |
| Green manure before it | Phacelia |
| Protector plant | Chervil |
When to sow, by climate zone
| Zone | In the ground | Sow indoors | Sow again for autumn |
|---|---|---|---|
| Zone 3 | late May – late Jun | ||
| Zone 4 | early Jun – early Jul | ||
| Zone 5 | mid-Jun – mid-Jul | ||
| Zone 6 | early Jul – late Jul | ||
| Zone 7 | mid-Jul – early Aug | ||
| Zone 8 | late Jul – late Aug | ||
| Zone 9 | mid-Aug – mid-Sep | ||
| Zone 10 | late Aug – late Sep |
Dates for the average frost dates of each zone; the app works them out for your own town.