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When to Plant Hubbard Squash in Wise County, TX

Hubbard squash is a large, bumpy-skinned winter squash with dense, sweet, dry flesh ideal for baking and pies. The hard shell allows storage for 6 months or more.

Wise County, Texas is in USDA Zone 7b. The average last spring frost is March 25 and the first fall frost is November 11, giving you a growing season of approximately 231 days.

At an elevation of 3,288 feet, Wise County receives approximately 53.8 inches of rainfall annually with predominantly clay soil. Summer highs average 92ยฐF, providing good warmth for Hubbard Squash during the growing season. Clay soil retains moisture well for Hubbard Squash, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Hubbard Squash root diseases.

Wise County, TX (Zone 7b) Long season
231 days
Last Spring Frost March 25
231 growing days
First Fall Frost November 11

Wise County Soil Profile

Soil Type

Clay

Soil pH

6.8-7.8

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (80 days to spare)
Start indoors: Feb 14 Transplant: Mar 28 🍅 Harvest: Jul 11 – Aug 15
Recommended (50%) ✓ Fits season (77 days to spare)
Start indoors: Feb 25 Transplant: Apr 8 🍅 Harvest: Jul 22 – Aug 26
Safe Start (90%) ✓ Fits season (71 days to spare)
Start indoors: Mar 18 Transplant: Apr 29 🍅 Harvest: Aug 12 – Sep 16

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
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Drought risk

Water stress score is 6/10 โ€” consider drought-tolerant varieties and mulching

Hubbard Squash needs ~2,090 GDD — county provides 4,389 GDD Excellent fit

Hubbard Squash Planting Timeline โ€” Wise County, TX

Hubbard Squash Planting Calendar

Activity When Date Range
Start Indoors February 25 Feb 25 โ€“ Mar 11
Transplant Outdoors April 8 Apr 8 โ€“ Apr 22
Direct Sow April 1 Apr 1 โ€“ Apr 22
Harvest July 22 Jul 22 โ€“ Aug 26

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 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

100โ€“120 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 7b

Growing Season

231 days

Growing Tips for Wise County

Start seeds indoors in short-season areas. Requires ample space and rich soil. Harvest when the skin is very hard and the color is deep. Cure in the sun before storing.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes

Level Up Your Garden

Frequently Asked Questions

When should I plant Hubbard Squash in Wise County, TX?

Wise County is in Zone 7b with an average last frost of March 25. Plan your Hubbard Squash planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Wise County, TX?

Wise County, Texas is in USDA Hardiness Zone 7b. The average last spring frost is March 25 and first fall frost is November 11.

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Plan Your Garden with Confidence

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