When to plant Fennel in Clinton County, IN
Clinton County gardeners should plant Fennel between April 29 and May 20 in spring. With Clinton County's Zone 6a climate (last frost April 22), Fennel needs 60–90 days to mature — plant by July 19 for a full harvest.
When to Plant Fennel in Clinton County, IN
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.
Clinton County, Indiana is in USDA Zone 6a. The average last spring frost is April 22 and the first fall frost is October 17, giving you a growing season of approximately 178 days.
At an elevation of 1,116 feet, Clinton County receives approximately 39.8 inches of rainfall annually with predominantly silt loam soil. Summer highs average 86°F, providing good warmth for Fennel during the growing season.
Clinton County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Fennel Planting Timeline — Clinton County, IN
Fennel Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | February 25 | Feb 25 – Mar 11 |
| Transplant Outdoors | May 6 | May 6 – May 20 |
| Direct Sow | April 29 | Apr 29 – May 20 |
| Harvest | July 8 | Jul 8 – Aug 19 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | Start Indoors |
| March | Start Indoors |
| April | 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 6a
📆 Growing Season
178 days in Clinton County
Growing Tips for Clinton 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 Clinton County, IN?
Clinton County is in Zone 6a with an average last frost of April 22. Plan your Fennel planting based on this frost date — see the calendar above for exact timing.
What planting zone is Clinton County, IN?
Clinton County, Indiana is in USDA Hardiness Zone 6a. The average last spring frost is April 22 and first fall frost is October 17.
When should I plant Fennel in Clinton County, IN?
In Clinton County, IN, plant Fennel after the last frost (around April 22) and before the first frost (around October 17). Best results when soil holds above 50°F.
What growing zone is Clinton County, IN for Fennel?
Clinton County sits in USDA Zone 6a. Fennel grows reliably in zones 4a through 10b, so it's a good fit here.
Can Fennel grow in Clinton County's climate?
Yes — Fennel grows well in Clinton County's temperate climate. Clinton County averages a 178-day frost-free season, with last frost around April 22 and first frost around October 17.
Your Clinton County Garden Planner — Free
A 22-page printable planner built for Clinton County (Zone 6a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.