Blog

When to Plant Fennel (herb) in Coffee 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.

Coffee County, Alabama is in USDA Zone 8a. The average last spring frost is March 12 and the first fall frost is November 14, giving you a growing season of approximately 247 days.

At an elevation of 342 feet, Coffee County receives approximately 55.7 inches of rainfall annually with predominantly clay loam soil. Summer highs average 97ยฐF, so Fennel (herb) may need afternoon shade and extra watering during peak heat. 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.

Coffee County, AL (Zone 8a) Long season
247 days
Last Spring Frost March 12
247 growing days
First Fall Frost November 14

Coffee County Soil Profile

Soil Type

Clay Loam

Soil pH

5.8-6.7

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (121 days to spare)
Start indoors: Jan 30 Transplant: Feb 27 🍅 Harvest: May 1 – Jul 10
Recommended (50%) ✓ Fits season (121 days to spare)
Start indoors: Feb 5 Transplant: Mar 5 🍅 Harvest: May 7 – Jul 16
Safe Start (90%) ✓ Fits season (115 days to spare)
Start indoors: Feb 27 Transplant: Mar 27 🍅 Harvest: May 29 – Aug 7

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
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Fennel (herb) needs ~1,706 GDD — county provides 5,619 GDD Excellent fit

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

Fennel (herb) Planting Calendar

Activity When Date Range
Start Indoors February 5 Feb 5 โ€“ Feb 19
Transplant Outdoors March 5 Mar 5 โ€“ Mar 19
Direct Sow February 26 Feb 26 โ€“ Mar 19
Fall Sowing September 5 Sep 5 โ€“ Sep 19
Harvest May 7 May 7 โ€“ Jul 16

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

Month-by-Month Timeline

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

247 days

Growing Tips for Coffee 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 Coffee County, AL?

Coffee County is in Zone 8a with an average last frost of March 12. Plan your Fennel (herb) planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Coffee County, AL?

Coffee County, Alabama is in USDA Hardiness Zone 8a. The average last spring frost is March 12 and first fall frost is November 14.

๐ŸŒฑ

Plan Your Garden with Confidence

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

Get Your Free Garden Planner →

Free download. Plan your entire garden season in minutes.

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