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When to Plant Butternut Squash in Hardin 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.

Hardin County, Texas is in USDA Zone 8b. The average last spring frost is February 14 and the first fall frost is December 4, giving you a growing season of approximately 293 days.

At an elevation of 323 feet, Hardin County receives approximately 66.4 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 90ยฐF, providing good warmth for Butternut Squash during the growing season. 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. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Butternut Squash root diseases.

Hardin County, TX (Zone 8b) Year-round
293 days
Last Spring Frost February 14
293 growing days
First Fall Frost December 4

Hardin County Soil Profile

Soil Type

Sandy Loam

Soil pH

5.3-6.7

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (159 days to spare)
Start indoors: Jan 4 Transplant: Feb 15 🍅 Harvest: May 17 – Jun 21
Recommended (50%) ✓ Fits season (153 days to spare)
Start indoors: Jan 17 Transplant: Feb 28 🍅 Harvest: May 30 – Jul 4
Safe Start (90%) ✓ Fits season (148 days to spare)
Start indoors: Feb 6 Transplant: Mar 20 🍅 Harvest: Jun 19 – Jul 24

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
1.0″/week
You supply
0.1″/week
Watering frequency Only during dry spells
Season total 135 gal / 100 sq ft
Butternut Squash needs ~1,706 GDD — county provides 5,145 GDD Excellent fit

Butternut Squash Planting Timeline โ€” Hardin County, TX

Butternut Squash Planting Calendar

Activity When Date Range
Start Indoors January 17 Jan 17 โ€“ Jan 31
Transplant Outdoors February 28 Feb 28 โ€“ Mar 14
Direct Sow February 21 Feb 21 โ€“ Mar 14
Harvest May 30 May 30 โ€“ Jul 4

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

Month-by-Month Timeline

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

85โ€“110 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 8b

Growing Season

293 days

Growing Tips for Hardin 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 Hardin County, TX?

Hardin County is in Zone 8b with an average last frost of February 14. Plan your Butternut Squash planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Hardin County, TX?

Hardin County, Texas is in USDA Hardiness Zone 8b. The average last spring frost is February 14 and first fall frost is December 4.

๐ŸŒฑ

Plan Your Garden with Confidence

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