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When to Plant Crookneck Squash in Caswell County, NC

Caswell County, North Carolina Zone 7b May

May to-do list for Caswell County, North Carolina

A quick May briefing for Caswell County, North Carolina gardeners — what's urgent, what's next, and what can wait.

Avg. last frost April 6
Avg. first frost October 31
Soil temp (4") 66°F
Watering Moderate
Pest pressure Moderate
Daylight 13.9 hrs
  1. Start crookneck squash indoors

    Give them 6–8 weeks indoors before the last frost and you'll transplant into warm soil with seedlings that are already leaping.

To set up a strong June, finish these tasks
  • First harvests: crookneck squash

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Yellow crookneck squash is a summer squash with a curved neck and bumpy, bright yellow skin. It has a buttery flavor and is best harvested young when 4-6 inches long.

Caswell County, North Carolina is in USDA Zone 7b. The average last spring frost is April 6 and the first fall frost is October 31, giving you a growing season of approximately 208 days.

At an elevation of 608 feet, Caswell County receives approximately 42.7 inches of rainfall annually with predominantly clay loam soil. Summer highs average 94°F, providing good warmth for Crookneck Squash during the growing season. Clay soil retains moisture well for Crookneck Squash, but amend with compost to improve drainage and prevent root rot.

Caswell County, NC (Zone 7b) Long season
208 days
Last Spring Frost April 6
208 growing days
First Fall Frost October 31

Caswell County Soil Profile

Soil Type

Clay Loam

Soil pH

5.7-6.2

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (120 days to spare)
Start indoors: Feb 28 Transplant: Apr 11 🍅 Harvest: May 30 – Jun 27
Recommended (50%) ✓ Fits season (117 days to spare)
Start indoors: Mar 9 Transplant: Apr 20 🍅 Harvest: Jun 8 – Jul 6
Safe Start (90%) ✓ Fits season (113 days to spare)
Start indoors: Mar 26 Transplant: May 7 🍅 Harvest: Jun 25 – Jul 23

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 Caswell County

How your county's soil matches Crookneck Squash's growing requirements.

Soil pH

Your soil pH (5.7–6.2) is more acidic than Crookneck Squash prefers (6.0–7.5). Add garden lime to raise pH.

Soil Texture

The clay loam soil in Caswell County is excellent for Crookneck Squash — good drainage, moisture retention, and nutrient holding capacity.

Organic Matter

Organic matter is moderate (2.7%). Annual compost additions will help Crookneck Squash.

How to Plant Crookneck Squash

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

Succession Planting Crookneck Squash

5
successive plantings in your 208-day season

Sow every 5.1 weeks. Last sowing by Sep 01 to harvest before frost.

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 255 gal / 100 sq ft

Monthly Watering Guide for Crookneck Squash

Crookneck Squash needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Crookneck Squash Needs Rainfall You Supplement Action
Jan 3.9" 0" ❄️ Dormant
Feb 3.8" 0" ❄️ Dormant
Mar 3.9" 0" ❄️ Dormant
Apr 4.3" 3.2" 1.1" 💧 Light watering
May 4.3" 3" 1.3" 💧 Light watering
Jun 4.3" 4" 0.3" 💧 Light watering
Jul 4.3" 4.8" 0" ✅ Rainfall sufficient
Aug 4.3" 3.7" 0.6" 💧 Light watering
Sep 4.3" 2.9" 1.4" 💧 Light watering
Oct 4.3" 2.5" 1.8" 💧 Light watering
Nov 3.3" 0" ❄️ Dormant
Dec 3.6" 0" ❄️ Dormant

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

Crookneck Squash 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.

Crookneck Squash needs ~1,076 GDD — county provides 4,264 GDD Excellent fit

Crookneck Squash Planting Timeline — Caswell County, NC

Crookneck Squash Planting Calendar

Activity When Date Range
Start Indoors March 9 Mar 9 – Mar 23
Transplant Outdoors April 20 Apr 20 – May 4
Direct Sow April 13 Apr 13 – May 4
Harvest June 8 Jun 8 – Jul 6

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 Harvest
July Harvest
August
September
October
November
December

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

1"/week · Only during dry spells

📅 Days to Maturity

45–60 days

🧪 Soil pH

Needs 6–7.5 · Your soil: too_acidic

🗺️ USDA Zone

Zone 7b

📆 Growing Season

208 days in Caswell County

Growing Tips for Crookneck Squash in Caswell County

Direct sow Crookneck Squash outdoors after April 06 in Caswell County when soil has warmed and frost danger has passed.

With Caswell County's clay soil (34% clay), work in 3-4 inches of compost before planting Crookneck Squash. Avoid tilling when soil is wet to prevent compaction.

Your generous 208.0-day season in Caswell County allows multiple plantings of Crookneck Squash. Sow every 22.0 days for continuous harvest.

Common pests for Crookneck Squash 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 mounds. Pick frequently while small for tender texture. Skin becomes tough and warty on larger fruits. Very productive in warm weather.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Crookneck Squash in Caswell County, NC?

Caswell County is in Zone 7b with an average last frost of April 6. Plan your Crookneck Squash planting based on this frost date — see the calendar above for exact timing.

What planting zone is Caswell County, NC?

Caswell County, North Carolina is in USDA Hardiness Zone 7b. The average last spring frost is April 6 and first fall frost is October 31.

🌱

Your Caswell County Garden Planner — Free

A 24-page printable planner built for Caswell County (Zone 7b). 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 Caswell 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.