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When to Plant Hubbard Squash in Ector 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.

Ector County, Texas is in USDA Zone 7b. The average last spring frost is March 23 and the first fall frost is November 11, giving you a growing season of approximately 233 days.

At an elevation of 3,652 feet, Ector County receives approximately 44 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 93ยฐF, providing good warmth for Hubbard Squash during the growing season. Sandy soil warms quickly in spring โ€” great for early planting โ€” but Hubbard Squash will need more frequent watering and organic matter to retain nutrients.

Ector County, TX (Zone 7b) Long season
233 days
Last Spring Frost March 23
233 growing days
First Fall Frost November 11

Ector County Soil Profile

Soil Type

Sandy Loam

Soil pH

7.5-8.5

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (80 days to spare)
Start indoors: Feb 13 Transplant: Mar 27 🍅 Harvest: Jul 10 – Aug 14
Recommended (50%) ✓ Fits season (79 days to spare)
Start indoors: Feb 23 Transplant: Apr 6 🍅 Harvest: Jul 20 – Aug 24
Safe Start (90%) ✓ Fits season (69 days to spare)
Start indoors: Mar 21 Transplant: May 2 🍅 Harvest: Aug 15 – Sep 19

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
0.8″/week
You supply
0.3″/week
Watering frequency Only during dry spells
Season total 515 gal / 100 sq ft
Drought risk

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

Hubbard Squash needs ~2,172 GDD — county provides 4,601 GDD Excellent fit

Hubbard Squash Planting Timeline โ€” Ector County, TX

Hubbard Squash Planting Calendar

Activity When Date Range
Start Indoors February 23 Feb 23 โ€“ Mar 9
Transplant Outdoors April 6 Apr 6 โ€“ Apr 20
Direct Sow March 30 Mar 30 โ€“ Apr 20
Harvest July 20 Jul 20 โ€“ Aug 24

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

Month-by-Month Timeline

MonthActivities
January โ€”
February Start Indoors
March Start Indoors Direct Sow
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

233 days

Growing Tips for Ector 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 Ector County, TX?

Ector County is in Zone 7b with an average last frost of March 23. Plan your Hubbard Squash planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Ector County, TX?

Ector County, Texas is in USDA Hardiness Zone 7b. The average last spring frost is March 23 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 Ector 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 Ector County, TX. Local conditions may vary. Last updated: April 2026.