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When to plant Zucchini in Mason County, KY

The best window to plant Zucchini in Mason County, is April 25–May 16, when soil warms to 50°F. Last frost typically hits April 18; first frost October 24.

When to Plant Zucchini in Mason County, KY

Zucchini

Zucchini is an incredibly prolific summer squash that can produce an abundance of fruit from just a few plants. It is versatile in the kitchen from grilling to baking.

Mason County, Kentucky is in USDA Zone 6b. The average last spring frost is April 18 and the first fall frost is October 24, giving you a growing season of approximately 189 days.

At an elevation of 3,461 feet, Mason County receives approximately 43 inches of rainfall annually with predominantly silt loam soil. Summer highs average 91°F, providing good warmth for Zucchini during the growing season.

Mason County, KY (Zone 6b) Moderate season
189 days
Last Spring Frost April 18
189 growing days
First Fall Frost October 24

Mason County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

How Much Zucchini to Grow

6-10 lbs
Average yield per plant
1
Plants per person
2 sq ft
Space per person

For a family of 4, plant approximately 4 zucchini plants in about 8 sq ft. In Mason County's 189-day season, you'll have plenty of time for a full harvest. Plan your garden layout →

Zucchini Planting Timeline — Mason County, KY

Zucchini Planting Calendar

Activity When Date Range
Start Indoors March 14 Mar 14 – Mar 28
Transplant Outdoors May 2 May 2 – May 16
Direct Sow April 25 Apr 25 – May 16
Harvest June 20 Jun 20 – Aug 15

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

Month-by-Month Timeline

MonthActivities
January
February
March Start Indoors
April 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

45–60 days

🧪 Soil pH

Needs 6–7.5 · Your soil: N/A

🗺️ USDA Zone

Zone 6b

📆 Growing Season

189 days in Mason County

Growing Tips for Mason County

Direct sow after last frost. Harvest when fruits are 6-8 inches long for best flavor and texture. Check plants daily in summer as fruits can double in size overnight.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Zucchini in Mason County, KY?

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

What planting zone is Mason County, KY?

Mason County, Kentucky is in USDA Hardiness Zone 6b. The average last spring frost is April 18 and first fall frost is October 24.

When should I plant Zucchini in Mason County, KY?

In Mason County, KY, plant Zucchini after the last frost (around April 18) and before the first frost (around October 24). Best results when soil holds above 50°F.

What growing zone is Mason County, KY for Zucchini?

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

Can Zucchini grow in Mason County's climate?

Yes — Zucchini grows well in Mason County's temperate climate. Mason County averages a 189-day frost-free season, with last frost around April 18 and first frost around October 24.

🌱

Your Mason County Garden Planner — Free

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

Sources & credits

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