When to Plant Radish in Calhoun County, FL
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.
Calhoun County, Florida is in USDA Zone 8b. The average last spring frost is March 5 and the first fall frost is November 20, giving you a growing season of approximately 260 days.
At an elevation of 178 feet, Calhoun County receives approximately 61.2 inches of rainfall annually with predominantly sand soil. Summer highs average 93°F, providing good warmth for Radish during the growing season. Sandy soil warms quickly in spring — great for early planting — but Radish will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Radish root diseases.
Calhoun County Soil Profile
Soil Type
Sand
Soil pH
4.8-5.7
Drainage
Well Drained
Plant 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.
Plant Water Budget
Radish Planting Timeline — Calhoun County, FL
Radish Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Direct Sow | February 19 | Feb 19 – Mar 12 |
| Fall Sowing | September 11 | Sep 11 – Sep 25 |
| Harvest | March 19 | Mar 19 – Apr 9 |
Plant 0.5" deep · 2" apart · Rows 6" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | Direct Sow |
| March | Direct Sow Harvest |
| April | Harvest |
| May | — |
| June | — |
| July | — |
| August | — |
| September | Fall Sowing |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Moderate — regular watering
Days to Maturity
22–35 days
Soil pH
6 – 7
USDA Zone
Zone 8b
Growing Season
260 days
Growing Tips for Calhoun 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
Level Up Your Garden
Radish in Other Locations
Frequently Asked Questions
When should I plant Radish in Calhoun County, FL?
Calhoun County is in Zone 8b with an average last frost of March 5. Plan your Radish planting based on this frost date — see the calendar above for exact timing.
What planting zone is Calhoun County, FL?
Calhoun County, Florida is in USDA Hardiness Zone 8b. The average last spring frost is March 5 and first fall frost is November 20.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Calhoun County gardeners in Zone 8b organize planting dates, track what's growing, and never miss a planting window.
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