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Can You Grow Florence Fennel in Connecticut?

US · USDA Zone 6a · zones 5b, 6a, 6b

Grows well here

Florence fennel grows well here — it likes warm days and cool nights for bulb development.

Plant zones

4a–9b

Connecticut last frost

early April

Connecticut first frost

late October

Days to harvest

65–90 days

When to plant Florence Fennels in Connecticut

Direct sow

Apr 1

Harvest

Jun 5 – Jun 30

Dates are approximate, based on Connecticut'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.

Full florence fennel growing guide →

Gardening in Connecticut

Connecticut has a humid continental climate with warm summers and cold winters. Four distinct seasons support a classic New England growing calendar.