Herb · Moderate
How to Grow Fennel
Foeniculum vulgare
Your complete guide to growing Fennel.
SunFull sun (6+ hours)
WaterModerate
Harvest60-90 days
Zones4–10
Height3-5 feet
📷 Wikipedia: FennelWhen to Plant Fennel
Planting windows vary by USDA hardiness zone. Look up yours by ZIP code.
| Zone | Start Indoors | Direct Sow | Harvest |
|---|---|---|---|
| Zone 3 | April – May | — | July – October |
| Zone 4 | March – April | — | July – October |
| Zone 5 | March – April | — | June – October |
| Zone 6 | March – April | — | June – November |
| Zone 7 | February – March | — | June – November |
| Zone 8 | February – March | — | May – December |
| Zone 9 | January – February | — | April – December |
| Zone 10 | January | — | April – December |
Companion Plants for Fennel
✓ Good companions
Beans
Broccoli
Cabbage
Cucumber
Eggplant
Peppers
Rosemary
Thyme
Tomatoes
✗ Keep away from
Cucumber
Sage
Sweet Basil
