Vegetables · Cool
Black radish
Brassicaceae
At a glance
- Plant spacing
- 15 cm
- USDA zones
- 3a–9b
- Frost-sensitive
- no
- Growth duration
- 14 weeks
Which beds suit?
- Sun (prefers)
- full sunAlso okay:partial shade
- Soil (prefers)
- loamyAlso okay:raised-bed mixsandy
- Drainage (prefers)
- normalAlso okay:very free-draining
Seed & start
Direct sow
Sow directly into the bed — no pre-culture needed.
Stachi's tip
Black radish is the winter vitamin bomb, much sharper than its red cousin. Sow July-August, harvest from October onwards — frost sweetens it. Classic cough-syrup ingredient: hollow out the root, fill with honey, leave overnight.
Sowing
JFMAMJJASOND
Harvest
JFMAMJJASOND
Good neighbours
Avoid these neighbours
Good pre-cultures
Stachi has no specific pre-cultures recorded.
Sources
- LLM-Baseline-2026-05-27 Phase 7 expansion
Related plants
Products mentioned in this post
- Plantura organic tomato seed set (10 varieties)Open-pollinated, good germination — robust for raised beds.
- Organic tomato seed set, 14 varieties
- Organic heirloom tomato seed set (Demeter, 12 varieties)
- Organic vegetable seed set, 10 varietiesCucumber, tomato, beetroot, broccoli, carrot, chard & more.