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When to Plant Fennel (herb) in Wakulla County, FL

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.

Wakulla County, Florida is in USDA Zone 8b. The average last spring frost is March 13 and the first fall frost is November 22, giving you a growing season of approximately 254 days.

At an elevation of 375 feet, Wakulla County receives approximately 48.4 inches of rainfall annually with predominantly sand soil. Summer highs average 95ยฐF, so Fennel (herb) may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring โ€” great for early planting โ€” but Fennel (herb) will need more frequent watering and organic matter to retain nutrients.

Wakulla County, FL (Zone 8b) Long season
254 days
Last Spring Frost March 13
254 growing days
First Fall Frost November 22

Wakulla County Soil Profile

Soil Type

Sand

Soil pH

4.9-5.9

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (124 days to spare)
Start indoors: Jan 30 Transplant: Feb 27 🍅 Harvest: May 1 – Jul 10
Recommended (50%) ✓ Fits season (128 days to spare)
Start indoors: Feb 6 Transplant: Mar 6 🍅 Harvest: May 8 – Jul 17
Safe Start (90%) ✓ Fits season (121 days to spare)
Start indoors: Mar 3 Transplant: Mar 31 🍅 Harvest: Jun 2 – Aug 11

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
0.8″/week
You supply
0.5″/week
Watering frequency 1-2 times/week
Season total 1,130 gal / 100 sq ft
Fennel (herb) needs ~1,594 GDD — county provides 5,397 GDD Excellent fit

Fennel (herb) Planting Timeline โ€” Wakulla County, FL

Fennel (herb) Planting Calendar

Activity When Date Range
Start Indoors February 6 Feb 6 โ€“ Feb 20
Transplant Outdoors March 6 Mar 6 โ€“ Mar 20
Direct Sow February 27 Feb 27 โ€“ Mar 20
Fall Sowing September 13 Sep 13 โ€“ Sep 27
Harvest May 8 May 8 โ€“ Jul 17

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 8b

Growing Season

254 days

Growing Tips for Wakulla 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 Wakulla County, FL?

Wakulla County is in Zone 8b with an average last frost of March 13. Plan your Fennel (herb) planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Wakulla County, FL?

Wakulla County, Florida is in USDA Hardiness Zone 8b. The average last spring frost is March 13 and first fall frost is November 22.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Wakulla County gardeners in Zone 8b 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 Wakulla County, FL. Local conditions may vary. Last updated: April 2026.