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When to Plant Fennel in Dale County, AL

Florence fennel is grown for its swollen bulb-like stem base, which has a mild anise flavor. It is crisp raw in salads and sweet when roasted or braised.

Dale County, Alabama is in USDA Zone 8a. The average last spring frost is March 6 and the first fall frost is November 19, giving you a growing season of approximately 258 days.

At an elevation of 396 feet, Dale County receives approximately 60.3 inches of rainfall annually with predominantly clay loam soil. Summer highs average 96ยฐF, so Fennel may need afternoon shade and extra watering during peak heat. Clay soil retains moisture well for Fennel, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Fennel root diseases.

Dale County, AL (Zone 8a) Long season
258 days
Last Spring Frost March 6
258 growing days
First Fall Frost November 19

Dale County Soil Profile

Soil Type

Clay Loam

Soil pH

5.7-6.5

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (137 days to spare)
Start indoors: Jan 11 Transplant: Mar 15 🍅 Harvest: May 17 – Jun 28
Recommended (50%) ✓ Fits season (139 days to spare)
Start indoors: Jan 16 Transplant: Mar 20 🍅 Harvest: May 22 – Jul 3
Safe Start (90%) ✓ Fits season (135 days to spare)
Start indoors: Feb 7 Transplant: Apr 11 🍅 Harvest: Jun 13 – Jul 25

Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
1.0″/week
You supply
0.0″/week
Watering frequency Only during dry spells
Season total 42 gal / 100 sq ft
Fennel needs ~1,650 GDD — county provides 5,676 GDD Excellent fit

Fennel Planting Timeline โ€” Dale County, AL

Fennel Planting Calendar

Activity When Date Range
Start Indoors January 16 Jan 16 โ€“ Jan 30
Transplant Outdoors March 20 Mar 20 โ€“ Apr 3
Direct Sow March 13 Mar 13 โ€“ Apr 3
Harvest May 22 May 22 โ€“ Jul 3

Plant 1" deep ยท 15" apart ยท Rows 24" apart

Month-by-Month Timeline

MonthActivities
January Start Indoors
February โ€”
March Transplant Outdoors Direct Sow
April Transplant Outdoors Direct Sow
May Harvest
June Harvest
July Harvest
August โ€”
September โ€”
October โ€”
November โ€”
December โ€”

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

60โ€“90 days

Soil pH

5.5 โ€“ 7

USDA Zone

Zone 8a

Growing Season

258 days

Growing Tips for Dale County

Direct sow in late summer for fall harvest to reduce bolting. Hill soil around bulbs as they enlarge. Harvest when bulbs are tennis-ball sized before they elongate.

Companion Planting

Good Companions

Avoid Planting Near

  • Tomatoes
  • Peppers
  • Beans

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Frequently Asked Questions

When should I plant Fennel in Dale County, AL?

Dale County is in Zone 8a with an average last frost of March 6. Plan your Fennel planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Dale County, AL?

Dale County, Alabama is in USDA Hardiness Zone 8a. The average last spring frost is March 6 and first fall frost is November 19.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Dale County gardeners in Zone 8a organize planting dates, track what's growing, and never miss a planting window.

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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Dale County, AL. Local conditions may vary. Last updated: April 2026.