Fennel
herb
Allelopathic — most plants dislike it. Give it its own corner.
At a glance
- USDA Zones
- 4–9
- Sun
- Full sun (6+ hrs)
- Water
- Medium — water when top inch of soil is dry
- Soil
- Loam
- pH
- Neutral
- Spacing
- 12 in. between plants
- Per square foot
- 1 plant per square
- Days to maturity
- About 80 days
Planting & harvest windows
Northern Hemisphere timing. Adjust ±4–6 weeks based on your last/first frost dates.
| Activity | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Plant | ||||||||||||
| Harvest |
Plant Harvest
Keep apart from
Recommended varieties
- Florence (Finocchio)80 daysseed
Bulbing fennel — sweet aniseed bulbs for roasting & salads.
- Bronzeseed
Ornamental bronze-leaf fennel — feathery foliage, edible seeds.
Add Fennel to your raised bed — the planner handles spacing and companion warnings automatically.
Open the planner →