When to Plant Turnip in Hamblen County, TN
Turnips are a fast-growing cool-season root vegetable with edible roots and greens. Baby turnips are sweet and tender while mature ones are more pungent.
Hamblen County, Tennessee is in USDA Zone 7a. The average last spring frost is April 15 and the first fall frost is October 22, giving you a growing season of approximately 190 days.
At an elevation of 3,052 feet, Hamblen County receives approximately 48.6 inches of rainfall annually with predominantly silt loam soil. Summer highs average 91°F, providing good warmth for Turnip during the growing season.
Hamblen County Soil Profile
Soil Type
Silt Loam
Soil pH
5.5-6.8
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
Turnip Planting Timeline — Hamblen County, TN
Turnip Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Direct Sow | April 1 | Apr 1 – Apr 22 |
| Fall Sowing | August 13 | Aug 13 – Aug 27 |
| Harvest | May 13 | May 13 – Jun 17 |
Plant 0.5" deep · 4" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | Direct Sow |
| May | Harvest |
| June | Harvest |
| July | — |
| August | Fall Sowing |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Moderate — regular watering
Days to Maturity
40–60 days
Soil pH
6 – 7
USDA Zone
Zone 7a
Growing Season
190 days
Growing Tips for Hamblen County
Direct sow in early spring or late summer. Harvest when roots are 2-3 inches in diameter for best flavor. Both the roots and the greens are nutritious and edible.
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
Turnip in Other Locations
Frequently Asked Questions
When should I plant Turnip in Hamblen County, TN?
Hamblen County is in Zone 7a with an average last frost of April 15. Plan your Turnip planting based on this frost date — see the calendar above for exact timing.
What planting zone is Hamblen County, TN?
Hamblen County, Tennessee is in USDA Hardiness Zone 7a. The average last spring frost is April 15 and first fall frost is October 22.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Hamblen County gardeners in Zone 7a organize planting dates, track what's growing, and never miss a planting window.
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