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When to Plant Butternut Squash in Dawson County, TX

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.

Dawson County, Texas is in USDA Zone 7b. The average last spring frost is April 1 and the first fall frost is November 10, giving you a growing season of approximately 223 days.

At an elevation of 4,748 feet, Dawson County receives approximately 46.1 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 102ยฐF, so Butternut Squash may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring โ€” great for early planting โ€” but Butternut Squash will need more frequent watering and organic matter to retain nutrients.

Dawson County, TX (Zone 7b) Long season
223 days
Last Spring Frost April 1
223 growing days
First Fall Frost November 10

Dawson County Soil Profile

Soil Type

Sandy Loam

Soil pH

7.8-8.4

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (83 days to spare)
Start indoors: Feb 24 Transplant: Apr 7 🍅 Harvest: Jul 7 – Aug 11
Recommended (50%) ✓ Fits season (83 days to spare)
Start indoors: Mar 4 Transplant: Apr 15 🍅 Harvest: Jul 15 – Aug 19
Safe Start (90%) ✓ Fits season (77 days to spare)
Start indoors: Mar 22 Transplant: May 3 🍅 Harvest: Aug 2 – Sep 6

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
0.2″/week
Watering frequency Only during dry spells
Season total 314 gal / 100 sq ft
Drought risk

Water stress score is 8/10 โ€” consider drought-tolerant varieties and mulching

Butternut Squash needs ~2,584 GDD — county provides 5,909 GDD Excellent fit

Butternut Squash Planting Timeline โ€” Dawson County, TX

Butternut Squash Planting Calendar

Activity When Date Range
Start Indoors March 4 Mar 4 โ€“ Mar 18
Transplant Outdoors April 15 Apr 15 โ€“ Apr 29
Direct Sow April 8 Apr 8 โ€“ Apr 29
Harvest July 15 Jul 15 โ€“ Aug 19

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

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
March Start Indoors
April Transplant Outdoors Direct Sow
May โ€”
June โ€”
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

85โ€“110 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 7b

Growing Season

223 days

Growing Tips for Dawson 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 Dawson County, TX?

Dawson County is in Zone 7b with an average last frost of April 1. Plan your Butternut Squash planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Dawson County, TX?

Dawson County, Texas is in USDA Hardiness Zone 7b. The average last spring frost is April 1 and first fall frost is November 10.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Dawson 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 Dawson County, TX. Local conditions may vary. Last updated: April 2026.