When to plant Fennel in Effingham County, IL
Plant Fennel in Effingham County from April 23 to May 14 in spring. Effingham County sits in USDA Zone 6b, with last frost around April 16 and first frost on October 17.
When to Plant Fennel in Effingham County, IL
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.
Effingham County, Illinois is in USDA Zone 6b. The average last spring frost is April 16 and the first fall frost is October 17, giving you a growing season of approximately 184 days.
At an elevation of 953 feet, Effingham County receives approximately 40.9 inches of rainfall annually with predominantly silt loam soil. Summer highs average 83°F, so choose short-season varieties of Fennel to ensure they mature before fall.
Effingham County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Fennel Planting Timeline — Effingham County, IL
Fennel Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | February 19 | Feb 19 – Mar 5 |
| Transplant Outdoors | April 30 | Apr 30 – May 14 |
| Direct Sow | April 23 | Apr 23 – May 14 |
| Harvest | July 2 | Jul 2 – Aug 13 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | Start Indoors |
| March | Start Indoors |
| April | Transplant Outdoors Direct Sow |
| May | Transplant Outdoors Direct Sow |
| June | — |
| July | Harvest |
| August | Harvest |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
60–90 days
🧪 Soil pH
Needs 5.5–7 · Your soil: N/A
🗺️ USDA Zone
Zone 6b
📆 Growing Season
184 days in Effingham County
Growing Tips for Effingham 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
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Fennel in Other Locations
Frequently Asked Questions
When should I plant Fennel in Effingham County, IL?
Effingham County is in Zone 6b with an average last frost of April 16. Plan your Fennel planting based on this frost date — see the calendar above for exact timing.
What planting zone is Effingham County, IL?
Effingham County, Illinois is in USDA Hardiness Zone 6b. The average last spring frost is April 16 and first fall frost is October 17.
When should I plant Fennel in Effingham County, IL?
In Effingham County, IL, plant Fennel after the last frost (around April 16) and before the first frost (around October 17). Best results when soil holds above 50°F.
What growing zone is Effingham County, IL for Fennel?
Effingham County sits in USDA Zone 6b. Fennel grows reliably in zones 4a through 10b, so it's a good fit here.
Can Fennel grow in Effingham County's climate?
Yes — Fennel grows well in Effingham County's temperate climate. Effingham County averages a 184-day frost-free season, with last frost around April 16 and first frost around October 17.
Your Effingham County Garden Planner — Free
A 22-page printable planner built for Effingham County (Zone 6b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.