When to Plant Radish in Sequatchie County, TN
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.
Sequatchie County, Tennessee is in USDA Zone 7a. The average last spring frost is April 6 and the first fall frost is October 29, giving you a growing season of approximately 206 days.
At an elevation of 3,890 feet, Sequatchie County receives approximately 52.5 inches of rainfall annually with predominantly silt loam soil. Summer highs average 89°F, providing good warmth for Radish during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Radish root diseases.
Sequatchie County Soil Profile
Soil Type
Silt Loam
Soil pH
5.7-6.6
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.
Soil Compatibility in Sequatchie County
How your county's soil matches Radish's growing requirements.
Soil pH
Your soil pH (5.7–6.6) overlaps with Radish's range (6.0–7.0), though not a perfect match.
Soil Texture
The silt loam soil in Sequatchie County is excellent for Radish — good drainage, moisture retention, and nutrient holding capacity.
Organic Matter
Organic matter is moderate (2.8%). Annual compost additions will help Radish.
How to Plant Radish
Fall planting: Sow 10 weeks before your first frost date for a fall harvest.
Succession Planting Radish
Sow every 2.4 weeks. Last sowing by Sep 24 to harvest before frost.
For a dedicated fall crop, sow by Aug 20.
Plant Water Budget
Radish Planting Timeline — Sequatchie County, TN
Radish Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Direct Sow | March 23 | Mar 23 – Apr 13 |
| Fall Sowing | August 20 | Aug 20 – Sep 3 |
| Harvest | April 20 | Apr 20 – May 11 |
Plant 0.5" deep · 2" apart · Rows 6" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Direct Sow |
| April | Direct Sow Harvest |
| May | Harvest |
| June | — |
| July | — |
| August | Fall Sowing |
| September | Fall Sowing |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
0.5"/week · Natural rainfall sufficient
📅 Days to Maturity
22–35 days
🧪 Soil pH
Needs 6–7 · Your soil: acceptable
🗺️ USDA Zone
Zone 7a
📆 Growing Season
206 days in Sequatchie County
Growing Tips for Radish in Sequatchie County
Direct sow Radish outdoors after April 06 in Sequatchie County when soil has warmed and frost danger has passed.
Your generous 206.0-day season in Sequatchie County allows multiple plantings of Radish. Sow every 11.0 days for continuous harvest.
Common pests for Radish in this region include cabbage worm and flea beetles. Use row covers early in the season and inspect plants weekly.
General growing tips
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 Sequatchie County, TN?
Sequatchie County is in Zone 7a with an average last frost of April 6. Plan your Radish planting based on this frost date — see the calendar above for exact timing.
What planting zone is Sequatchie County, TN?
Sequatchie County, Tennessee is in USDA Hardiness Zone 7a. The average last spring frost is April 6 and first fall frost is October 29.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Sequatchie County gardeners in Zone 7a organize planting dates, track what's growing, and never miss a planting window.
Get Your Free Garden Planner →Free download. Plan your entire garden season in minutes.