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When to Plant Squash (Summer) in Hertford County, NC

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

Hertford County, North Carolina is in USDA Zone 7b. The average last spring frost is March 27 and the first fall frost is November 10, giving you a growing season of approximately 228 days.

At an elevation of 282 feet, Hertford County receives approximately 49 inches of rainfall annually with predominantly clay loam soil. Summer highs average 89ยฐF, providing good warmth for Squash (Summer) during the growing season. Clay soil retains moisture well for Squash (Summer), but amend with compost to improve drainage and prevent root rot.

Hertford County, NC (Zone 7b) Long season
228 days
Last Spring Frost March 27
228 growing days
First Fall Frost November 10

Hertford County Soil Profile

Soil Type

Clay Loam

Soil pH

5.6-6.7

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (104 days to spare)
Start indoors: Feb 19 Transplant: Apr 2 🍅 Harvest: May 21 – Jul 23
Recommended (50%) ✓ Fits season (102 days to spare)
Start indoors: Feb 27 Transplant: Apr 10 🍅 Harvest: May 29 – Jul 31
Safe Start (90%) ✓ Fits season (105 days to spare)
Start indoors: Mar 13 Transplant: Apr 24 🍅 Harvest: Jun 12 – Aug 14

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 198 gal / 100 sq ft
Squash (Summer) needs ~921 GDD — county provides 3,819 GDD Excellent fit

Squash (Summer) Planting Timeline โ€” Hertford County, NC

Squash (Summer) Planting Calendar

Activity When Date Range
Start Indoors February 27 Feb 27 โ€“ Mar 13
Transplant Outdoors April 10 Apr 10 โ€“ Apr 24
Direct Sow April 3 Apr 3 โ€“ Apr 24
Harvest May 29 May 29 โ€“ Jul 31

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

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

45โ€“65 days

Soil pH

6 โ€“ 7.5

USDA Zone

Zone 7b

Growing Season

228 days

Growing Tips for Hertford County

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

Level Up Your Garden

Frequently Asked Questions

When should I plant Squash (Summer) in Hertford County, NC?

Hertford County is in Zone 7b with an average last frost of March 27. Plan your Squash (Summer) planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Hertford County, NC?

Hertford County, North Carolina is in USDA Hardiness Zone 7b. The average last spring frost is March 27 and first fall frost is November 10.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Hertford County gardeners in Zone 7b 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 Hertford County, NC. Local conditions may vary. Last updated: April 2026.