Vegetables · Temperate
Fennel
Apiaceae
At a glance
- Plant spacing
- 30 cm
- USDA zones
- 4a–10a
- Frost-sensitive
- yes
- Growth duration
- 14 weeks
Which beds suit?
- Sun (prefers)
- full sunAlso okay:partial shade
- Soil (prefers)
- loamyAlso okay:sandyraised-bed mix
- Drainage (prefers)
- normalAlso okay:very free-draining
Seed & start
Pre-culture recommended
Start indoors / cold frame first, transplant into the raised bed later.
Stachi's tip
Bulb fennel wants a long cool season — sow July, harvest October/November. In heat it bolts instantly. Tricky for beginners, but when it works: anise-sweet and unique.
Sowing
JFMAMJJASOND
Transplanting
JFMAMJJASOND
Harvest
JFMAMJJASOND
Good neighbours
No fixed companion partners — easy to mix.
Avoid these neighbours
Good pre-cultures
Stachi has no specific pre-cultures recorded.
Sources
- LLM-Baseline+gpt-5-review
- LLM-Baseline-Intercrop
- LLM-Baseline-2026-05-09 yieldKg
- LLM-Baseline-2026-05-10 family-zehrer
- LLM-Baseline-2026-05-10 sun-soil-drainage