Fennel (bulb)
Herb · cool season · also called finocchio, florence fennel
When to plant
- Sow seeds outdoors about around your average last spring frost.
- It can also be grown as a fall crop, timed back from your first fall frost.
- Ready to harvest about 80 days after planting.
Keep away from dill (they cross-pollinate). Bolts in heat.
Frost dates depend on where you live. Enter your ZIP code to get exact dates.
Dates by zone: 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b
Growing basics
- Sun
- Part sun (4–6 hours)
- Spacing
- 8–12 in
- Soil temperature
- At least 50°F
- Time to harvest
- About 80 days
- Containers
- At least 3 gallons
- Plant family
- Carrot family (umbellifers)
- Harvest per plant
- About 0.75 lb
- Seeds keep
- About 4 years
Companions
Keep apart: most garden plants. Fennel slows the growth of most garden plants. Grow it on its own.
Grow it well
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