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When to Plant Acorn Squash in Houston County, TX

Acorn squash is a small winter squash with dark green, ribbed skin and mildly sweet orange flesh. It is perfect for stuffing and roasting as individual servings.

Houston County, Texas is in USDA Zone 8a. The average last spring frost is March 2 and the first fall frost is November 23, giving you a growing season of approximately 266 days.

At an elevation of 379 feet, Houston County receives approximately 59.2 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 94ยฐF, providing good warmth for Acorn Squash during the growing season. Sandy soil warms quickly in spring โ€” great for early planting โ€” but Acorn Squash will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Acorn Squash root diseases.

Houston County, TX (Zone 8a) Long season
266 days
Last Spring Frost March 2
266 growing days
First Fall Frost November 23

Houston County Soil Profile

Soil Type

Sandy Loam

Soil pH

5.8-6.7

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (137 days to spare)
Start indoors: Jan 20 Transplant: Mar 3 🍅 Harvest: May 26 – Jun 30
Recommended (50%) ✓ Fits season (133 days to spare)
Start indoors: Feb 2 Transplant: Mar 16 🍅 Harvest: Jun 8 – Jul 13
Safe Start (90%) ✓ Fits season (127 days to spare)
Start indoors: Feb 26 Transplant: Apr 9 🍅 Harvest: Jul 2 – Aug 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
0.1″/week
Watering frequency Only during dry spells
Season total 185 gal / 100 sq ft
Drought risk

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

Acorn Squash needs ~1,845 GDD — county provides 5,453 GDD Excellent fit

Acorn Squash Planting Timeline โ€” Houston County, TX

Acorn Squash Planting Calendar

Activity When Date Range
Start Indoors February 2 Feb 2 โ€“ Feb 16
Transplant Outdoors March 16 Mar 16 โ€“ Mar 30
Direct Sow March 9 Mar 9 โ€“ Mar 30
Harvest June 8 Jun 8 โ€“ Jul 13

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

Month-by-Month Timeline

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

80โ€“100 days

Soil pH

5.5 โ€“ 7

USDA Zone

Zone 8a

Growing Season

266 days

Growing Tips for Houston County

Direct sow after last frost. Harvest when the ground spot turns orange and the skin is hard. Acorn squash has a shorter storage life than butternut, lasting about 2 months.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes

Level Up Your Garden

Frequently Asked Questions

When should I plant Acorn Squash in Houston County, TX?

Houston County is in Zone 8a with an average last frost of March 2. Plan your Acorn Squash planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Houston County, TX?

Houston County, Texas is in USDA Hardiness Zone 8a. The average last spring frost is March 2 and first fall frost is November 23.

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Plan Your Garden with Confidence

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