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When to Plant Acorn Squash in Carteret County, NC

Acorn squash is a small winter squash with dark green, ribbed skin and mildly sweet orange flesh. It is perfect for stuffing and roasting as individual servings.

Carteret County, North Carolina is in USDA Zone 8a. The average last spring frost is March 21 and the first fall frost is November 18, giving you a growing season of approximately 242 days.

At an elevation of 469 feet, Carteret County receives approximately 42.4 inches of rainfall annually with predominantly clay loam soil. Summer highs average 95ยฐF, so Acorn Squash may need afternoon shade and extra watering during peak heat. Clay soil retains moisture well for Acorn Squash, but amend with compost to improve drainage and prevent root rot.

Carteret County, NC (Zone 8a) Long season
242 days
Last Spring Frost March 21
242 growing days
First Fall Frost November 18

Carteret County Soil Profile

Soil Type

Clay Loam

Soil pH

5.3-6.5

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (112 days to spare)
Start indoors: Feb 11 Transplant: Mar 25 🍅 Harvest: Jun 17 – Jul 22
Recommended (50%) ✓ Fits season (109 days to spare)
Start indoors: Feb 21 Transplant: Apr 4 🍅 Harvest: Jun 27 – Aug 1
Safe Start (90%) ✓ Fits season (105 days to spare)
Start indoors: Mar 11 Transplant: Apr 22 🍅 Harvest: Jul 15 – Aug 19

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
0.7″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Acorn Squash needs ~1,912 GDD — county provides 5,142 GDD Excellent fit

Acorn Squash Planting Timeline โ€” Carteret County, NC

Acorn Squash Planting Calendar

Activity When Date Range
Start Indoors February 21 Feb 21 โ€“ Mar 7
Transplant Outdoors April 4 Apr 4 โ€“ Apr 18
Direct Sow March 28 Mar 28 โ€“ Apr 18
Harvest June 27 Jun 27 โ€“ Aug 1

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

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

80โ€“100 days

Soil pH

5.5 โ€“ 7

USDA Zone

Zone 8a

Growing Season

242 days

Growing Tips for Carteret County

Direct sow after last frost. Harvest when the ground spot turns orange and the skin is hard. Acorn squash has a shorter storage life than butternut, lasting about 2 months.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes

Level Up Your Garden

Frequently Asked Questions

When should I plant Acorn Squash in Carteret County, NC?

Carteret County is in Zone 8a with an average last frost of March 21. Plan your Acorn Squash planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Carteret County, NC?

Carteret County, North Carolina is in USDA Hardiness Zone 8a. The average last spring frost is March 21 and first fall frost is November 18.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Carteret County gardeners in Zone 8a 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 Carteret County, NC. Local conditions may vary. Last updated: April 2026.