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When to Plant Squash (Winter) in Forsyth County, NC

Forsyth County, North Carolina Zone 8a May

This month in Forsyth County, North Carolina

Your garden in Forsyth County, North Carolina is working on a schedule, even when you're not. Here's where you should be this May.

Avg. last frost April 11
Avg. first frost October 22
Soil temp (4") 69°F
Watering Low
Pest pressure Moderate
Daylight 13.9 hrs
  1. Fire up the seed-starting tray: squash (winter)

    Label every cell. You will absolutely forget which is which otherwise.

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Winter squash includes butternut, acorn, delicata, and hubbard varieties grown to full maturity with hard rinds for storage. They develop sweet, dense flesh.

Forsyth County, North Carolina is in USDA Zone 8a. The average last spring frost is April 11 and the first fall frost is October 22, giving you a growing season of approximately 194 days.

At an elevation of 424 feet, Forsyth County receives approximately 44.4 inches of rainfall annually with predominantly clay loam soil. Summer highs average 90°F, providing good warmth for Squash (Winter) during the growing season. Clay soil retains moisture well for Squash (Winter), but amend with compost to improve drainage and prevent root rot.

Forsyth County, NC (Zone 8a) Moderate season
194 days
Last Spring Frost April 11
194 growing days
First Fall Frost October 22

Forsyth County Soil Profile

Soil Type

Clay Loam

Soil pH

5.7-6.3

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (40 days to spare)
Start indoors: Mar 10 Transplant: Apr 21 🍅 Harvest: Jul 14 – Sep 8
Recommended (50%) ✓ Fits season (40 days to spare)
Start indoors: Mar 14 Transplant: Apr 25 🍅 Harvest: Jul 18 – Sep 12
Safe Start (90%) ✓ Fits season (35 days to spare)
Start indoors: Apr 3 Transplant: May 15 🍅 Harvest: Aug 7 – Oct 2

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 Forsyth County

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

Soil pH

Your soil pH (5.7–6.3) overlaps with Squash (Winter)'s range (6.0–7.0), though not a perfect match.

Soil Texture

The clay loam soil in Forsyth County is excellent for Squash (Winter) — good drainage, moisture retention, and nutrient holding capacity.

Organic Matter

Organic matter is moderate (2.4%). Annual compost additions will help Squash (Winter).

How to Plant Squash (Winter)

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

Succession Planting Squash (Winter)

2
successive plantings in your 194-day season

Sow every 9.1 weeks. Last sowing by Jun 24 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 67 gal / 100 sq ft

Monthly Watering Guide for Squash (Winter)

Squash (Winter) 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 (Winter) Needs Rainfall You Supplement Action
Jan 4.1" 0" ❄️ Dormant
Feb 3.5" 0" ❄️ Dormant
Mar 4.2" 0" ❄️ Dormant
Apr 4.3" 3.1" 1.2" 💧 Light watering
May 4.3" 3.8" 0.5" 💧 Light watering
Jun 4.3" 4.2" 0.1" 💧 Light watering
Jul 4.3" 4.5" 0" ✅ Rainfall sufficient
Aug 4.3" 4.1" 0.2" 💧 Light watering
Sep 4.3" 3.1" 1.2" 💧 Light watering
Oct 4.3" 3" 1.3" 💧 Light watering
Nov 3.7" 0" ❄️ Dormant
Dec 3" 0" ❄️ Dormant

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

Squash (Winter) 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 (Winter) needs ~1,750 GDD — county provides 3,395 GDD Excellent fit

Squash (Winter) Planting Timeline — Forsyth County, NC

Squash (Winter) Planting Calendar

Activity When Date Range
Start Indoors March 14 Mar 14 – Mar 28
Transplant Outdoors April 25 Apr 25 – May 9
Direct Sow April 18 Apr 18 – May 9
Harvest July 18 Jul 18 – Sep 12

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
July Harvest
August Harvest
September Harvest
October
November
December

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

1"/week · Only during dry spells

📅 Days to Maturity

80–120 days

🧪 Soil pH

Needs 6–7 · Your soil: acceptable

🗺️ USDA Zone

Zone 8a

📆 Growing Season

194 days in Forsyth County

Growing Tips for Squash (Winter) in Forsyth County

Direct sow Squash (Winter) outdoors after April 11 in Forsyth County when soil has warmed and frost danger has passed.

With Forsyth County's clay soil (29% clay), work in 3-4 inches of compost before planting Squash (Winter). Avoid tilling when soil is wet to prevent compaction.

Common pests for Squash (Winter) 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 rich mounds. Allow ample space for sprawling vines. Cure harvested fruits in the sun for 10 days before storing in a cool, dry place.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Squash (Winter) in Forsyth County, NC?

Forsyth County is in Zone 8a with an average last frost of April 11. Plan your Squash (Winter) planting based on this frost date — see the calendar above for exact timing.

What planting zone is Forsyth County, NC?

Forsyth County, North Carolina is in USDA Hardiness Zone 8a. The average last spring frost is April 11 and first fall frost is October 22.

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Your Forsyth County Garden Planner — Free

A 24-page printable planner built for Forsyth County (Zone 8a). 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 Forsyth County, NC. Local conditions may vary. Last updated: May 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.