Blog

When to Plant Butternut Squash in Crawford County, PA

Butternut squash is a popular winter squash with a long neck, small seed cavity, and sweet, nutty orange flesh. It stores exceptionally well for months.

Crawford County, Pennsylvania is in USDA Zone 5b. The average last spring frost is April 30 and the first fall frost is October 26, giving you a growing season of approximately 179 days.

At an elevation of 336 feet, Crawford County receives approximately 39.5 inches of rainfall annually with predominantly silt loam soil. Summer highs average 83ยฐF, so choose short-season varieties of Butternut Squash to ensure they mature before fall.

Crawford County, PA (Zone 5b) Moderate season
179 days
Last Spring Frost April 30
179 growing days
First Fall Frost October 26

Crawford County Soil Profile

Soil Type

Silt Loam

Soil pH

4.8-6.8

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (33 days to spare)
Start indoors: Mar 23 Transplant: May 11 🍅 Harvest: Aug 10 – Sep 14
Recommended (50%) ✓ Fits season (39 days to spare)
Start indoors: Mar 26 Transplant: May 14 🍅 Harvest: Aug 13 – Sep 17
Safe Start (90%) ✓ Fits season (35 days to spare)
Start indoors: Apr 15 Transplant: Jun 3 🍅 Harvest: Sep 2 – Oct 7

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.

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
0.9″/week
You supply
0.1″/week
Watering frequency Only during dry spells
Season total 117 gal / 100 sq ft
Butternut Squash needs ~1,194 GDD — county provides 2,192 GDD Excellent fit

Butternut Squash Planting Timeline โ€” Crawford County, PA

Butternut Squash Planting Calendar

Activity When Date Range
Start Indoors March 26 Mar 26 โ€“ Apr 9
Transplant Outdoors May 14 May 14 โ€“ May 28
Direct Sow May 7 May 7 โ€“ May 28
Harvest August 13 Aug 13 โ€“ Sep 17

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 โ€”
August Harvest
September Harvest
October โ€”
November โ€”
December โ€”

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

85โ€“110 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 5b

Growing Season

179 days

Growing Tips for Crawford County

Start seeds indoors 3 weeks early or direct sow after frost. Allow 6-8 feet for sprawling vines. Harvest when the skin is hard and uniformly tan. Cure in the sun for 10 days.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes

Level Up Your Garden

Frequently Asked Questions

When should I plant Butternut Squash in Crawford County, PA?

Crawford County is in Zone 5b with an average last frost of April 30. Plan your Butternut Squash planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Crawford County, PA?

Crawford County, Pennsylvania is in USDA Hardiness Zone 5b. The average last spring frost is April 30 and first fall frost is October 26.

๐ŸŒฑ

Plan Your Garden with Confidence

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

Get Your Free Garden Planner →

Free download. Plan your entire garden season in minutes.

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