Tradition
No chart mentions this pair.
Cabbage
Brassica oleracea var. capitata
Brassicaceae
Fennel
Foeniculum vulgare
ApiaceaeCan you plant cabbage and fennel together?
Yes. Studies found no clear effect of growing cabbage with fennel, so plant them together or apart as space allows.
Why it makes little difference
No clear effect on harvest. In a field trial, growing them together made no clear difference to harvest.
Impact of different production systems on fennel–cabbage yield and soil health (Shiv Lal · 2026 · Agronomy journal.)
What to plant with cabbage and fennel
No plant in our data is a good neighbour of both cabbage and fennel yet.
What to keep away from cabbage and fennel
Nothing in our data is a bad neighbour of cabbage or fennel.
The evidence in detail
For readers who want to dig in: every chart entry, study and yield trial behind the answer above, with the numbers.
Tradition, research and yield trials
Research
No effect
avoidgood
1 paper found: 0 positive, 0 negative, 1 no effect.
yield / land use
auto-classified not reviewed by a person
Yield trial
No intercropping yield trial.
No effect found
What happens above and below ground
Each animation illustrates a mechanism a study reported for this pair. Pick a card to focus on it.
Everything at once.
Companion plants for both cabbage and fennel
Plants that are good neighbours of each. Biggest harvest gain first; each cell links to the evidence for that pair.
No plant is a good neighbour of both cabbage and fennel in our data yet.
The evidence, with sources
- No effectyield / land usefield trialauto-classifiedImpact of different production systems on fennel–cabbage yield and soil healthImpact of different production systems on fennel–cabbage yield and soil health (Shiv Lal · 2026 · Agronomy journal.)Relevance 93% · effect confidence 50%
All neighbours of cabbage and of fennel, or every pair at once in the companion planting chart.
Have you grown cabbage and fennel together?
Tell other gardeners what happened: spacing, pests, harvest, or ask a question. Reader notes are not checked by us and do not change the verdicts on this page.