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When to plant Squash (Summer) in Lewis County, KY

In Lewis County, plant Squash (Summer) in spring between April 30 and May 21, once soil temps hold above 50°F. Lewis County's last frost averages April 23, so time plantings around the expected last-frost window for best survival. For a fall crop, sow between and — roughly 45–65 days before the first frost on October 20.

When to Plant Squash (Summer) in Lewis County, KY

Summer squash includes zucchini, yellow crookneck, and pattypan varieties that are harvested young and tender. They are prolific producers in warm weather.

Lewis County, Kentucky is in USDA Zone 6b. The average last spring frost is April 23 and the first fall frost is October 20, giving you a growing season of approximately 180 days.

At an elevation of 1,979 feet, Lewis County receives approximately 41 inches of rainfall annually with predominantly silt loam soil. Summer highs average 89°F, providing good warmth for Squash (Summer) during the growing season.

Lewis County, KY (Zone 6b) Moderate season
180 days
Last Spring Frost April 23
180 growing days
First Fall Frost October 20

Lewis County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Squash (Summer) Planting Timeline — Lewis County, KY

Squash (Summer) Planting Calendar

Activity When Date Range
Start Indoors March 19 Mar 19 – Apr 2
Transplant Outdoors May 7 May 7 – May 21
Direct Sow April 30 Apr 30 – May 21
Harvest June 25 Jun 25 – Aug 27

Plant 1" deep · 30" apart · Rows 42" apart

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

45–65 days

🧪 Soil pH

Needs 6–7.5 · Your soil: N/A

🗺️ USDA Zone

Zone 6b

📆 Growing Season

180 days in Lewis County

Growing Tips for Lewis County

Direct sow after last frost on mounds. Harvest frequently when fruits are 6-8 inches for best texture. Check plants daily as they grow rapidly in summer heat.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Squash (Summer) in Lewis County, KY?

Lewis County is in Zone 6b with an average last frost of April 23. Plan your Squash (Summer) planting based on this frost date — see the calendar above for exact timing.

What planting zone is Lewis County, KY?

Lewis County, Kentucky is in USDA Hardiness Zone 6b. The average last spring frost is April 23 and first fall frost is October 20.

When should I plant Squash (Summer) in Lewis County, KY?

In Lewis County, KY, plant Squash (Summer) after the last frost (around April 23) and before the first frost (around October 20). Best results when soil holds above 50°F.

What growing zone is Lewis County, KY for Squash (Summer)?

Lewis County sits in USDA Zone 6b. Squash (Summer) grows reliably in zones 3a through 11b, so it's a good fit here.

Can Squash (Summer) grow in Lewis County's climate?

Yes — Squash (Summer) grows well in Lewis County's temperate climate. Lewis County averages a 180-day frost-free season, with last frost around April 23 and first frost around October 20.

🌱

Your Lewis County Garden Planner — Free

A 22-page printable planner built for Lewis 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 Lewis County, KY. Local conditions may vary. Last updated: June 2026.

Sources & credits

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