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Good Companions for Fennel

Dill is the only compatible companion.

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Dill
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What NOT to Plant with Fennel

Fennel inhibits growth of most plants.

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Tomato
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Pepper
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Bean
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Caraway
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Most vegetables
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Fennel Planting Tips

Plant fennel away from vegetable garden.

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Growing Fennel in United States

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Climate

Highly varied from tropical to subarctic

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Growing Season

Varies greatly by zone, generally April-October

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Hardiness Zones

USDA 3-11

Tips for United States Gardeners

Check your local extension office for specific dates. Use zone-appropriate varieties.

Best Planting Months:
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
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USDA Hardiness Zones

Fennel grows well in the following zones:

Zone 4 Zone 5 Zone 6 Zone 7 Zone 8 Zone 9