When to Plant Fennel in Grady County, OK
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.
Grady County, Oklahoma is in USDA Zone 7b. The average last spring frost is April 2 and the first fall frost is November 5, giving you a growing season of approximately 217 days.
At an elevation of 599 feet, Grady County receives approximately 29.8 inches of rainfall annually with predominantly loam soil. Summer highs average 89°F, providing good warmth for Fennel during the growing season.
Grady County Soil Profile
Soil Type
Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Fennel Planting Timeline — Grady County, OK
Fennel Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | February 12 | Feb 12 – Feb 26 |
| Transplant Outdoors | April 16 | Apr 16 – Apr 30 |
| Direct Sow | April 9 | Apr 9 – Apr 30 |
| Harvest | June 18 | Jun 18 – Jul 30 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | Start Indoors |
| March | — |
| April | Transplant Outdoors Direct Sow |
| May | — |
| June | Harvest |
| July | Harvest |
| August | — |
| 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 7b
📆 Growing Season
217 days in Grady County
Growing Tips for Grady 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 Grady County, OK?
Grady County is in Zone 7b with an average last frost of April 2. Plan your Fennel planting based on this frost date — see the calendar above for exact timing.
What planting zone is Grady County, OK?
Grady County, Oklahoma is in USDA Hardiness Zone 7b. The average last spring frost is April 2 and first fall frost is November 5.
Your Grady County Garden Planner — Free
A 22-page printable planner built for Grady County (Zone 7b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.