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Can You Grow Florence Fennel in Washington?
US · USDA Zone 8b · zones 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b
Florence fennel grows well here — it likes warm days and cool nights for bulb development.
Plant zones
Washington last frost
Washington first frost
Days to harvest
When to plant Florence Fennels in Washington
Direct sow
Harvest
Dates are approximate, based on Washington's average frost dates. Your exact yard may vary by microclimate.
About Florence Fennel
Florence fennel produces an anise-flavored bulb at the base — sliced raw into salads or roasted, it is a Mediterranean staple. Note: fennel inhibits nearby plant growth, so keep it isolated in the garden.
Direct sow after last frost — fennel dislikes transplanting. Sow 1/4 inch deep, thin to 12 inches. Keep soil consistently moist while bulbing. Harvest when bulbs are 3 inches wide. Do NOT plant near tomatoes or peppers.
Gardening in Washington
Washington has dramatically different climates. The wet maritime west (Zone 8a-8b) is mild and productive year-round. Eastern Washington is semi-arid and colder (Zone 5-6) with hot dry summers.
Frequently asked questions
Can you grow Florence Fennel in Washington?
Florence fennel grows well here — it likes warm days and cool nights for bulb development.
What zone is Washington?
Washington spans USDA Zone 8b (4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b).
When do you plant Florence Fennels in Washington?
Plant Florence Fennels Jan 30, harvest Apr 5 – Apr 30.