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When to Plant Melon in Clinton County, PA

Melons are warm-season vine crops that produce sweet, juicy fruits in many varieties including muskmelon and honeydew. They need a long, hot growing season.

Clinton County, Pennsylvania is in USDA Zone 5b. The average last spring frost is April 29 and the first fall frost is October 18, giving you a growing season of approximately 172 days.

At an elevation of 9 feet, Clinton County receives approximately 40.5 inches of rainfall annually with predominantly silt loam soil. Summer highs average 83ยฐF, so choose short-season varieties of Melon to ensure they mature before fall.

Clinton County, PA (Zone 5b) Moderate season
172 days
Last Spring Frost April 29
172 growing days
First Fall Frost October 18

Clinton County Soil Profile

Soil Type

Silt Loam

Soil pH

5.1-6.5

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (35 days to spare)
Start indoors: Mar 22 Transplant: May 10 🍅 Harvest: Jul 19 – Sep 6
Recommended (50%) ✓ Fits season (39 days to spare)
Start indoors: Mar 25 Transplant: May 13 🍅 Harvest: Jul 22 – Sep 9
Safe Start (90%) ✓ Fits season (35 days to spare)
Start indoors: Apr 14 Transplant: Jun 2 🍅 Harvest: Aug 11 – Sep 29

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 Clinton County

How your county's soil matches Melon's growing requirements.

Soil pH

Your soil pH (5.1โ€“6.5) is more acidic than Melon prefers (6.0โ€“7.0). Add garden lime to raise pH.

Soil Texture

The silt loam soil in Clinton County is excellent for Melon โ€” good drainage, moisture retention, and nutrient holding capacity.

Organic Matter

Organic matter is moderate (3.7%). Annual compost additions will help Melon.

How to Plant Melon

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

Succession Planting Melon

2
successive plantings in your 172-day season

Sow every 8 weeks. Last sowing by Jul 10 to harvest before frost.

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
1.0″/week
You supply
0.0″/week
Watering frequency Only during dry spells
Season total 17 gal / 100 sq ft
Melon needs ~1,041 GDD — county provides 2,107 GDD Excellent fit

Melon Planting Timeline โ€” Clinton County, PA

Melon Planting Calendar

Activity When Date Range
Start Indoors March 25 Mar 25 โ€“ Apr 8
Transplant Outdoors May 13 May 13 โ€“ May 27
Direct Sow May 6 May 6 โ€“ May 27
Harvest July 22 Jul 22 โ€“ Sep 9

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

Month-by-Month Timeline

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

Growing Conditions

โ˜€๏ธ Sun

Full Sun (6-8+ hours)

๐Ÿ’ง Water

1"/week ยท Only during dry spells

๐Ÿ“… Days to Maturity

70โ€“100 days

๐Ÿงช Soil pH

Needs 6โ€“7 ยท Your soil: too_acidic

๐Ÿ—บ๏ธ USDA Zone

Zone 5b

๐Ÿ“† Growing Season

172 days in Clinton County

Growing Tips for Melon in Clinton County

Direct sow Melon outdoors after April 29 in Clinton County when soil has warmed and frost danger has passed.

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

General growing tips

Start seeds indoors 3-4 weeks before transplanting. Plant on raised mounds of compost-enriched soil. Reduce watering as fruits ripen to concentrate sweetness.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes
  • Cucumber

Level Up Your Garden

Frequently Asked Questions

When should I plant Melon in Clinton County, PA?

Clinton County is in Zone 5b with an average last frost of April 29. Plan your Melon planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Clinton County, PA?

Clinton County, Pennsylvania is in USDA Hardiness Zone 5b. The average last spring frost is April 29 and first fall frost is October 18.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Clinton County gardeners in Zone 5b organize planting dates, track what's growing, and never miss a planting window.

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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 Clinton County, PA. Local conditions may vary. Last updated: April 2026.