When to plant Radish in Carroll County, KY
Carroll County's spring Radish window runs April 4 through April 25. time plantings around the expected last-frost window for best survival. A second sowing from August 11 to August 25 extends the harvest into fall.
When to Plant Radish in Carroll County, KY
Radishes are one of the fastest-growing vegetables, with some varieties ready in under a month. They come in round, elongated, and large winter types.
Carroll County, Kentucky is in USDA Zone 6b. The average last spring frost is April 18 and the first fall frost is October 20, giving you a growing season of approximately 185 days.
At an elevation of 3,005 feet, Carroll County receives approximately 42.4 inches of rainfall annually with predominantly silt loam soil. Summer highs average 90°F, providing good warmth for Radish during the growing season.
Carroll County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Radish Planting Timeline — Carroll County, KY
Radish Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Direct Sow | April 4 | Apr 4 – Apr 25 |
| Harvest | May 2 | May 2 – May 23 |
| Fall Sowing | August 11 | Aug 11 – Aug 25 |
Plant 0.5" deep · 2" apart · Rows 6" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | Direct Sow |
| May | Harvest |
| June | — |
| July | — |
| August | Fall Sowing |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
22–35 days
🧪 Soil pH
Needs 6–7 · Your soil: N/A
🗺️ USDA Zone
Zone 6b
📆 Growing Season
185 days in Carroll County
Growing Tips for Carroll County
Direct sow every 1-2 weeks for continuous harvest. Do not transplant. Harvest spring radishes promptly to prevent them from becoming pithy and hot.
Companion Planting
Good Companions
Avoid Planting Near
Check more plant combinations with our Companion Planting Checker →
Radish in Other Locations
Frequently Asked Questions
When should I plant Radish in Carroll County, KY?
Carroll County is in Zone 6b with an average last frost of April 18. Plan your Radish planting based on this frost date — see the calendar above for exact timing.
What planting zone is Carroll County, KY?
Carroll County, Kentucky is in USDA Hardiness Zone 6b. The average last spring frost is April 18 and first fall frost is October 20.
When should I plant Radish in Carroll County, KY?
In Carroll County, KY, plant Radish after the last frost (around April 18) and before the first frost (around October 20). Best results when soil holds above 50°F.
What growing zone is Carroll County, KY for Radish?
Carroll County sits in USDA Zone 6b. Radish grows reliably in zones 2a through 11b, so it's a good fit here.
Can Radish grow in Carroll County's climate?
Yes — Radish grows well in Carroll County's temperate climate. Carroll County averages a 185-day frost-free season, with last frost around April 18 and first frost around October 20.
Your Carroll County Garden Planner — Free
A 22-page printable planner built for Carroll 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.