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When to Plant Fennel (herb) in Lauderdale County, AL

Herb fennel is grown for its aromatic leaves, stalks, and seeds rather than a bulb. It has a strong anise flavor and its flowers attract beneficial insects.

Lauderdale County, Alabama is in USDA Zone 7a. The average last spring frost is April 9 and the first fall frost is October 26, giving you a growing season of approximately 200 days.

At an elevation of 75 feet, Lauderdale County receives approximately 51.1 inches of rainfall annually with predominantly clay loam soil. Summer highs average 90ยฐF, providing good warmth for Fennel (herb) during the growing season. Clay soil retains moisture well for Fennel (herb), but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Fennel (herb) root diseases.

Lauderdale County, AL (Zone 7a) Long season
200 days
Last Spring Frost April 9
200 growing days
First Fall Frost October 26

Lauderdale County Soil Profile

Soil Type

Clay Loam

Soil pH

5.5-6.5

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (76 days to spare)
Start indoors: Feb 24 Transplant: Mar 24 🍅 Harvest: May 26 – Aug 4
Recommended (50%) ✓ Fits season (74 days to spare)
Start indoors: Mar 5 Transplant: Apr 2 🍅 Harvest: Jun 4 – Aug 13
Safe Start (90%) ✓ Fits season (79 days to spare)
Start indoors: Mar 17 Transplant: Apr 14 🍅 Harvest: Jun 16 – Aug 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
1.1″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Drought risk

Water stress score is 6/10 โ€” consider drought-tolerant varieties and mulching

Fennel (herb) needs ~1,312 GDD — county provides 3,500 GDD Excellent fit

Fennel (herb) Planting Timeline โ€” Lauderdale County, AL

Fennel (herb) Planting Calendar

Activity When Date Range
Start Indoors March 5 Mar 5 โ€“ Mar 19
Transplant Outdoors April 2 Apr 2 โ€“ Apr 16
Direct Sow March 26 Mar 26 โ€“ Apr 16
Fall Sowing August 17 Aug 17 โ€“ Aug 31
Harvest June 4 Jun 4 โ€“ Aug 13

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

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
March Start Indoors Direct Sow
April Transplant Outdoors Direct Sow
May โ€”
June Harvest
July Harvest
August Fall Sowing Harvest
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 7a

Growing Season

200 days

Growing Tips for Lauderdale County

Direct sow in spring or fall. Unlike Florence fennel, herb fennel does not form a bulb. Harvest fronds as needed and seeds when they turn brown. Self-sows readily.

Companion Planting

Good Companions

Avoid Planting Near

  • Tomatoes
  • Peppers
  • Green Beans

Level Up Your Garden

Frequently Asked Questions

When should I plant Fennel (herb) in Lauderdale County, AL?

Lauderdale County is in Zone 7a with an average last frost of April 9. Plan your Fennel (herb) planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Lauderdale County, AL?

Lauderdale County, Alabama is in USDA Hardiness Zone 7a. The average last spring frost is April 9 and first fall frost is October 26.

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Plan Your Garden with Confidence

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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 Lauderdale County, AL. Local conditions may vary. Last updated: April 2026.