When to plant Fennel in Fulton County, GA
Fulton County's climate puts the Fennel spring window between March 30 and April 20. most warm-season crops establish quickly once soil holds above 60°F.
When to Plant Fennel in Fulton County, GA
What to do in August
We've pulled the most time-sensitive tasks for Fulton County, Georgia this August and put them front and centre. Tackle them in order.
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.
Fulton County, Georgia is in USDA Zone 8a. The average last spring frost is March 23 and the first fall frost is November 6, giving you a growing season of approximately 228 days.
At an elevation of 457 feet, Fulton County receives approximately 53.9 inches of rainfall annually with predominantly clay loam soil. Summer highs average 90°F, providing good warmth for Fennel during the growing season. 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.
Fulton County Soil Profile
Soil Type
Clay Loam
Soil pH
5.7-6.5
Drainage
Well Drained
Fennel Planting Risk Windows
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.
Soil Compatibility in Fulton County
How your county's soil matches Fennel's growing requirements.
Soil pH
Your soil pH (5.7–6.5) is within Fennel's preferred range (5.5–7.0).
Soil Texture
The clay loam soil in Fulton County is excellent for Fennel — good drainage, moisture retention, and nutrient holding capacity.
Drainage
Drainage is adequate for Fennel.
Organic Matter
Organic matter is moderate (2.8%). Annual compost additions will help Fennel.
How to Plant Fennel
Succession Planting Fennel
Sow every 6.9 weeks. Last sowing by Aug 08 to harvest before frost.
Fennel Water Budget
Monthly Watering Guide for Fennel
Fennel needs approximately 0.6 inches of water per week (2.6" per month). Here's how your county's rainfall compares month by month.
| Month | Fennel Needs | Rainfall | You Supplement | Action |
|---|---|---|---|---|
| Jan | — | 5.1" | 0" | ❄️ Dormant |
| Feb | — | 3.8" | 0" | ❄️ Dormant |
| Mar | 2.6" | 5.5" | 0" | ✅ Rainfall sufficient |
| Apr | 2.6" | 4.6" | 0" | ✅ Rainfall sufficient |
| May | 2.6" | 3.9" | 0" | ✅ Rainfall sufficient |
| Jun | 2.6" | 4.6" | 0" | ✅ Rainfall sufficient |
| Jul | 2.6" | 5.2" | 0" | ✅ Rainfall sufficient |
| Aug | 2.6" | 5.6" | 0" | ✅ Rainfall sufficient |
| Sep | 2.6" | 3.9" | 0" | ✅ Rainfall sufficient |
| Oct | 2.6" | 3.1" | 0" | ✅ Rainfall sufficient |
| Nov | 2.6" | 3.7" | 0" | ✅ Rainfall sufficient |
| Dec | — | 4.7" | 0" | ❄️ Dormant |
Water needs are for active growing months only (Mar–Nov in Fulton County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.
Fennel Heat Requirements (GDD)
What are Growing Degree Days (GDD)?
Growing Degree Days measure the total warmth your plants receive during the growing season. Think of it as a "heat bank" — every day above 50°F deposits warmth that helps your plants grow.
Each plant needs a certain amount of accumulated heat to mature. If your county provides more GDD than the plant needs, it's a great fit. If it's close, you may want to choose faster-maturing varieties or start seeds indoors to get a head start.
Fennel Planting Timeline — Fulton County, GA
Fennel Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | February 2 | Feb 2 – Feb 16 |
| Transplant Outdoors | April 6 | Apr 6 – Apr 20 |
| Direct Sow | March 30 | Mar 30 – Apr 20 |
| Harvest | June 8 | Jun 8 – Jul 20 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | Start Indoors |
| March | Direct Sow |
| April | Transplant Outdoors Direct Sow |
| May | — |
| June | Harvest |
| July | Harvest |
| August | — |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
0.6"/week · Natural rainfall sufficient
📅 Days to Maturity
60–90 days
🧪 Soil pH
Needs 5.5–7 · Your soil: ideal
🗺️ USDA Zone
Zone 8a
📆 Growing Season
228 days in Fulton County
Growing Tips for Fennel in Fulton County
Direct sow Fennel outdoors after March 23 in Fulton County when soil has warmed and frost danger has passed.
With Fulton County's clay soil (26% clay), work in 3-4 inches of compost before planting Fennel. Avoid tilling when soil is wet to prevent compaction.
Common pests for Fennel in this region include carrot rust fly and parsleyworm. Use row covers early in the season and inspect plants weekly.
General growing tips
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
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Check more plant combinations with our Companion Planting Checker →
Fennel in Other Locations
Frequently Asked Questions
When should I plant Fennel in Fulton County, GA?
Fulton County is in Zone 8a with an average last frost of March 23. Plan your Fennel planting based on this frost date — see the calendar above for exact timing.
What planting zone is Fulton County, GA?
Fulton County, Georgia is in USDA Hardiness Zone 8a. The average last spring frost is March 23 and first fall frost is November 6.
When should I plant Fennel in Fulton County, GA?
In Fulton County, GA, plant Fennel after the last frost (around March 23) and before the first frost (around November 6). Best results when soil holds above 50°F.
What growing zone is Fulton County, GA for Fennel?
Fulton County sits in USDA Zone 8a. Fennel grows reliably in zones 4a through 10b, so it's a good fit here.
Can Fennel grow in Fulton County's climate?
Yes — Fennel grows well in Fulton County's temperate climate. Fulton County averages a 228-day frost-free season, with last frost around March 23 and first frost around November 6.
Your Fulton County Garden Planner — Free
A 22-page printable planner built for Fulton County (Zone 8a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.