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When to plant Tomatoes in Carter County, KY

Plant Tomatoes in Carter County after April 18; the prime window is April 25–May 16.

When to Plant Tomatoes in Carter County, KY

Tomatoes

Tomatoes are the most popular home garden crop, available in thousands of varieties from tiny cherries to massive beefsteaks. They are warm-season plants needing full sun.

Carter County, Kentucky is in USDA Zone 6b. The average last spring frost is April 18 and the first fall frost is October 22, giving you a growing season of approximately 187 days.

At an elevation of 3,358 feet, Carter County receives approximately 44.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 88°F, providing good warmth for Tomatoes during the growing season.

Carter County, KY (Zone 6b) Moderate season
187 days
Last Spring Frost April 18
187 growing days
First Fall Frost October 22

Carter County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

How Much Tomatoes to Grow

10-15 lbs
Average yield per plant
3
Plants per person
6 sq ft
Space per person

For a family of 4, plant approximately 12 tomatoes plants in about 24 sq ft. In Carter County's 187-day season, you'll have plenty of time for a full harvest. Plan your garden layout →

Tomatoes Planting Timeline — Carter County, KY

Tomatoes Planting Calendar

Activity When Date Range
Start Indoors February 21 Feb 21 – Mar 7
Transplant Outdoors May 2 May 2 – May 16
Direct Sow April 25 Apr 25 – May 16
Harvest July 4 Jul 4 – Sep 12

Plant 0.5" deep · 24" apart · Rows 36" apart

Month-by-Month Timeline

MonthActivities
January
February Start Indoors
March Start Indoors
April Direct Sow
May Transplant Outdoors Direct Sow
June
July Harvest
August Harvest
September Harvest
October
November
December

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

60–85 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 6b

📆 Growing Season

187 days in Carter County

Growing Tips for Carter County

Start seeds indoors 6-8 weeks before last frost. Bury transplants deep to encourage rooting along the stem. Provide consistent moisture to prevent blossom end rot and cracking.

Companion Planting

Good Companions

Avoid Planting Near

  • Cabbage
  • Fennel
  • Potatoes

Check more plant combinations with our Companion Planting Checker →

🌾 Save Your Own Tomatoes Seeds
Life Cycle Annual
Pollination Self-Pollinating
How to Collect Scoop seeds from ripe fruit; ferment 2-3 days to remove gel coating.
Storage Store airtight; viable 4-6 years at 35°F, under 45% humidity.

Isolate 25 ft between varieties for purity. Use open-pollinated varieties for true-to-type seeds.

Frequently Asked Questions

When should I plant Tomatoes in Carter County, KY?

Carter County is in Zone 6b with an average last frost of April 18. Plan your Tomatoes planting based on this frost date — see the calendar above for exact timing.

What planting zone is Carter County, KY?

Carter County, Kentucky is in USDA Hardiness Zone 6b. The average last spring frost is April 18 and first fall frost is October 22.

When should I plant Tomatoes in Carter County, KY?

In Carter County, KY, plant Tomatoes after the last frost (around April 18) and before the first frost (around October 22). Best results when soil holds above 50°F.

What growing zone is Carter County, KY for Tomatoes?

Carter County sits in USDA Zone 6b. Tomatoes grows reliably in zones 3a through 11b, so it's a good fit here.

Can Tomatoes grow in Carter County's climate?

Yes — Tomatoes grows well in Carter County's temperate climate. Carter County averages a 187-day frost-free season, with last frost around April 18 and first frost around October 22.

🌱

Your Carter County Garden Planner — Free

A 22-page printable planner built for Carter 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.

Instant PDF download. No spam, unsubscribe any time.

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

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.