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When to plant Squash (Summer) in Pathfork, KY

Pathfork's climate puts the Squash (Summer) spring window between April 19 and May 10. most warm-season crops establish quickly once soil holds above 60°F.

When to Plant Squash (Summer) in Pathfork, KY

Harlan County, Kentucky Zone 7a June

Your June planting checklist for Harlan County, Kentucky

Your garden in Harlan County, Kentucky is working on a schedule, even when you're not. Here's where you should be this June.

Avg. last frost April 12
Avg. first frost October 23
Soil temp (4") 73°F
Watering Low
Pest pressure High
Daylight 14.5 hrs

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

Pathfork, Kentucky is in USDA Zone 7a. The average last spring frost is April 12 and the first fall frost is October 23, giving you a growing season of approximately 194 days.

At an elevation of 1,572 feet, Harlan County receives approximately 54.9 inches of rainfall annually with predominantly silt loam soil. Summer highs average 87°F, providing good warmth for Squash (Summer) during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Squash (Summer) root diseases.

Pathfork, KY (Zone 7a) Moderate season
194 days
Last Spring Frost April 12
194 growing days
First Fall Frost October 23

Pathfork Soil Profile

Soil Type

Silt Loam

Soil pH

5.5-7

Drainage

Well Drained

Squash (Summer) Planting Risk Windows

Early Start (70% safe) ✓ Fits season (68 days to spare)
Start indoors: Mar 10 Transplant: Apr 21 🍅 Harvest: Jun 9 – Aug 11
Recommended (50%) ✓ Fits season (68 days to spare)
Start indoors: Mar 15 Transplant: Apr 26 🍅 Harvest: Jun 14 – Aug 16
Safe Start (90%) ✓ Fits season (60 days to spare)
Start indoors: Apr 3 Transplant: May 15 🍅 Harvest: Jul 3 – Sep 4

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.

Soil Compatibility in Pathfork

How your county's soil matches Squash (Summer)'s growing requirements.

Soil pH

Your soil pH (5.5–7.0) overlaps with Squash (Summer)'s range (6.0–7.5), though not a perfect match.

Soil Texture

The silt loam soil in Harlan County is excellent for Squash (Summer) — good drainage, moisture retention, and nutrient holding capacity.

Organic Matter

Organic matter is moderate (2.5%). Annual compost additions will help Squash (Summer).

How to Plant Squash (Summer)

1"
Planting Depth
30"
Between Plants
42"
Between Rows

Succession Planting Squash (Summer)

5
successive plantings in your 194-day season

Sow every 5.1 weeks. Last sowing by Aug 19 to harvest before frost.

Squash (Summer) Water Budget

Plant needs
1.0″/week
Rainfall provides
1.2″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Drought risk

Water stress score is 6/10 — consider drought-tolerant varieties and mulching

Monthly Watering Guide for Squash (Summer)

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

Month Squash (Summer) Needs Rainfall You Supplement Action
Jan 4.5" 0" ❄️ Dormant
Feb 4.8" 0" ❄️ Dormant
Mar 4.6" 0" ❄️ Dormant
Apr 4.3" 3.8" 0.5" 💧 Light watering
May 4.3" 4.5" 0" ✅ Rainfall sufficient
Jun 4.3" 5.3" 0" ✅ Rainfall sufficient
Jul 4.3" 6.2" 0" ✅ Rainfall sufficient
Aug 4.3" 4.4" 0" ✅ Rainfall sufficient
Sep 4.3" 4" 0.3" 💧 Light watering
Oct 4.3" 3.5" 0.8" 💧 Light watering
Nov 4.5" 0" ❄️ Dormant
Dec 4.6" 0" ❄️ Dormant

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

Squash (Summer) Heat Requirements (GDD)

What are Growing Degree Days (GDD)?

Growing Degree Days measure the total warmth your plants receive during the growing season. Think of it as a "heat bank" — every day above 50°F deposits warmth that helps your plants grow.

Each plant needs a certain amount of accumulated heat to mature. If your county provides more GDD than the plant needs, it's a great fit. If it's close, you may want to choose faster-maturing varieties or start seeds indoors to get a head start.

Squash (Summer) needs ~839 GDD — county provides 2,958 GDD Excellent fit

Squash (Summer) Planting Timeline — Pathfork, KY

Squash (Summer) Planting Calendar

Activity When Date Range
Start Indoors March 15 Mar 15 – Mar 29
Transplant Outdoors April 26 Apr 26 – May 10
Direct Sow April 19 Apr 19 – May 10
Harvest June 14 Jun 14 – Aug 16

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

Month-by-Month Timeline

MonthActivities
January
February
March Start Indoors
April Transplant Outdoors 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

1"/week · Natural rainfall sufficient

📅 Days to Maturity

45–65 days

🧪 Soil pH

Needs 6–7.5 · Your soil: acceptable

🗺️ USDA Zone

Zone 7a

📆 Growing Season

194 days in Harlan County

Growing Tips for Squash (Summer) in Pathfork

Direct sow Squash (Summer) outdoors after April 12 in Harlan County when soil has warmed and frost danger has passed.

Your generous 194.0-day season in Harlan County allows multiple plantings of Squash (Summer). Sow every 22.0 days for continuous harvest.

Common pests for Squash (Summer) in this region include squash vine borer and cucumber beetles. Use row covers early in the season and inspect plants weekly.

General growing tips

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 →

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

In Pathfork, KY, plant Squash (Summer) after the last frost (around April 12) and before the first frost (around October 23). Best results when soil holds above 50°F.

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

Pathfork sits in USDA Zone 7a. Squash (Summer) grows reliably in zones 3a through 11b, so it's a good fit here.

Can Squash (Summer) grow in Pathfork's climate?

Yes — Squash (Summer) grows well in Pathfork's temperate climate. Pathfork averages a 194-day frost-free season, with last frost around April 12 and first frost around October 23.

🌱

Your Harlan County Garden Planner — Free

A 22-page printable planner built for Harlan County (Zone 7a). 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 Harlan County, KY. Local conditions may vary. Last updated: June 2026.