Blog

When to Plant Carrots in Gibson County, TN

Carrots are a popular root vegetable available in orange, purple, white, and yellow varieties. They are rich in beta-carotene and have a sweet, earthy flavor.

Gibson County, Tennessee is in USDA Zone 7a. The average last spring frost is April 4 and the first fall frost is October 27, giving you a growing season of approximately 206 days.

At an elevation of 3,658 feet, Gibson County receives approximately 52.8 inches of rainfall annually with predominantly silt loam soil. Summer highs average 90ยฐF, providing good warmth for Carrots during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Carrots root diseases.

Gibson County, TN (Zone 7a) Long season
206 days
Last Spring Frost April 4
206 growing days
First Fall Frost October 27

Gibson County Soil Profile

Soil Type

Silt Loam

Soil pH

5.5-6.7

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (110 days to spare)
Transplant: Mar 27 🍅 Harvest: May 29 – Jul 3
Recommended (50%) ✓ Fits season (108 days to spare)
Transplant: Apr 4 🍅 Harvest: Jun 6 – Jul 11
Safe Start (90%) ✓ Fits season (110 days to spare)
Transplant: Apr 19 🍅 Harvest: Jun 21 – Jul 26

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

Plant needs
1.0″/week
Rainfall provides
1.1″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Carrots needs ~1,225 GDD — county provides 3,605 GDD Excellent fit

Carrots Planting Timeline โ€” Gibson County, TN

Carrots Planting Calendar

Activity When Date Range
Direct Sow March 21 Mar 21 โ€“ Apr 11
Fall Sowing August 18 Aug 18 โ€“ Sep 1
Harvest May 23 May 23 โ€“ Jun 27

Plant 0.5" deep ยท 6" apart ยท Rows 12" apart

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
March Direct Sow
April Direct Sow
May Harvest
June Harvest
July โ€”
August Fall Sowing
September Fall Sowing
October โ€”
November โ€”
December โ€”

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

60โ€“80 days

Soil pH

6 โ€“ 6.8

USDA Zone

Zone 7a

Growing Season

206 days

Growing Tips for Gibson County

Sow seeds directly in loose, stone-free soil for straight roots. Keep soil moist until germination which can take 2-3 weeks. Thin seedlings to 2 inches apart.

Companion Planting

Good Companions

Avoid Planting Near

  • Dill
  • Parsnip

Level Up Your Garden

๐ŸŒพ Save Your Own Carrots Seeds
Life Cycle Biennial
Pollination Cross-Pollinated (insects)
How to Collect Replant roots for 2nd year flowers. Harvest umbels when brown.
Storage Store airtight; viable 3 years at 35ยฐF, under 50% humidity.

Isolate 1/2 mile from Queen Anne's Lace (wild carrot). Biennial โ€” requires two seasons.

Frequently Asked Questions

When should I plant Carrots in Gibson County, TN?

Gibson County is in Zone 7a with an average last frost of April 4. Plan your Carrots planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Gibson County, TN?

Gibson County, Tennessee is in USDA Hardiness Zone 7a. The average last spring frost is April 4 and first fall frost is October 27.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Gibson 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.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Gibson County, TN. Local conditions may vary. Last updated: April 2026.