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When to plant Tomatillo in Franklin County, KY

Plant Tomatillo in Franklin County from April 18 to May 9 in spring. Franklin County sits in USDA Zone 6b, with last frost around April 11 and first frost on October 26.

When to Plant Tomatillo in Franklin County, KY

Tomatillos are a Mexican staple that produces tart, green fruits enclosed in papery husks. They are essential for salsa verde and green sauces.

Franklin County, Kentucky is in USDA Zone 6b. The average last spring frost is April 11 and the first fall frost is October 26, giving you a growing season of approximately 198 days.

At an elevation of 3,532 feet, Franklin County receives approximately 44.3 inches of rainfall annually with predominantly silt loam soil. Summer highs average 88°F, providing good warmth for Tomatillo during the growing season.

Franklin County, KY (Zone 6b) Moderate season
198 days
Last Spring Frost April 11
198 growing days
First Fall Frost October 26

Franklin County Soil Profile

Soil Type

Silt Loam

Soil pH

5.6-7

Drainage

Well Drained

Monthly Watering Guide for Tomatillo

Tomatillo needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Tomatillo Needs Rainfall You Supplement Action
Jan 3.8" 0" ❄️ Dormant
Feb 3" 0" ❄️ Dormant
Mar 4.7" 0" ❄️ Dormant
Apr 4.3" 3.4" 0.9" 💧 Light watering
May 4.3" 3.5" 0.8" 💧 Light watering
Jun 4.3" 3.4" 0.9" 💧 Light watering
Jul 4.3" 4.7" 0" ✅ Rainfall sufficient
Aug 4.3" 4.3" 0" ✅ Rainfall sufficient
Sep 4.3" 3.5" 0.8" 💧 Light watering
Oct 4.3" 3.1" 1.2" 💧 Light watering
Nov 3.7" 0" ❄️ Dormant
Dec 3.2" 0" ❄️ Dormant

Water needs are for active growing months only (Apr–Oct in Franklin County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.

Tomatillo Planting Timeline — Franklin County, KY

Tomatillo Planting Calendar

Activity When Date Range
Start Indoors February 14 Feb 14 – Feb 28
Transplant Outdoors April 25 Apr 25 – May 9
Direct Sow April 18 Apr 18 – May 9
Harvest June 27 Jun 27 – Sep 5

Plant 1" deep · 15" apart · Rows 24" apart

Month-by-Month Timeline

MonthActivities
January
February Start Indoors
March
April Transplant Outdoors Direct Sow
May Transplant Outdoors Direct Sow
June Harvest
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

198 days in Franklin County

Growing Tips for Franklin County

Start seeds indoors 6-8 weeks before last frost. Plant at least two plants for cross-pollination. Harvest when fruits fill the husk and it begins to split.

Companion Planting

Good Companions

Avoid Planting Near

  • Fennel
  • Dill

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Tomatillo in Franklin County, KY?

Franklin County is in Zone 6b with an average last frost of April 11. Plan your Tomatillo planting based on this frost date — see the calendar above for exact timing.

What planting zone is Franklin County, KY?

Franklin County, Kentucky is in USDA Hardiness Zone 6b. The average last spring frost is April 11 and first fall frost is October 26.

When should I plant Tomatillo in Franklin County, KY?

In Franklin County, KY, plant Tomatillo after the last frost (around April 11) and before the first frost (around October 26). Best results when soil holds above 50°F.

What growing zone is Franklin County, KY for Tomatillo?

Franklin County sits in USDA Zone 6b. Tomatillo grows reliably in zones 4a through 11b, so it's a good fit here.

Can Tomatillo grow in Franklin County's climate?

Yes — Tomatillo grows well in Franklin County's temperate climate. Franklin County averages a 198-day frost-free season, with last frost around April 11 and first frost around October 26.

🌱

Your Franklin County Garden Planner — Free

A 22-page printable planner built for Franklin 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.

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

Sources & credits

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