
Vegetables · Cool
Broccoli raab
Brassicaceae
At a glance
- Plant spacing
- 20 cm
- USDA zones
- 4a–10a
- Frost-sensitive
- no
- Growth duration
- 9 weeks
Which beds suit?
- Sun (prefers)
- full sunAlso okay:partial shade
- Soil (prefers)
- loamyAlso okay:raised-bed mix
- Drainage (prefers)
- normal
Seed & start
Direct sow
Sow directly into the bed — no pre-culture needed.
Stachi's tip
Broccoli raab (cima di rapa) is Italy's fast brassica: 9 weeks seed-to-harvest, you eat stems plus flower buds plus leaves. Spicy, slightly bitter — a classic with garlic and chilli in pasta. Cabbage-white netting still mandatory.
The plant's year: sowing, transplanting, harvest
Sowing
Harvest
Good neighbours
Limited evidence. This value is not backed by a specialist source — treat it as a pointer.
Avoid these neighbours
Limited evidence. This value is not backed by a specialist source — treat it as a pointer.
Good pre-cultures
Stachi has no specific pre-cultures recorded.
What comes after Broccoli raab?
When the bed frees up, the season is usually not over. We worked out what still fits afterwards — with time windows and reasons.
See follow-on crops for Broccoli raab →Sources
- LLM-Baseline-2026-05-27 Phase 7 expansion
- Dreschflegel – Knospenkohl Cime di rapa (https://dreschflegel-saatgut.de/knospenkohl-cime-di-rapa)
Where these figures come from
- Timing
- Traditional recommendation. Rarely studied under controlled conditions — treat it as experience, not law.
- Spacing
- Traditional recommendation. Rarely studied under controlled conditions — treat it as experience, not law.
- Companion planting
- Limited evidence. This value is not backed by a specialist source — treat it as a pointer.
- Crop rotation
- Limited evidence. This value is not backed by a specialist source — treat it as a pointer.
- Yield
- Limited evidence. This value is not backed by a specialist source — treat it as a pointer.
Sources: LLM-Baseline-2026-05-27 Phase 7 expansion · Dreschflegel – Knospenkohl Cime di rapa (https://dreschflegel-saatgut.de/knospenkohl-cime-di-rapa)
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.