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When to Plant Squash (Summer) in Burnet County, TX

Summer squash includes zucchini, yellow crookneck, and pattypan varieties that are harvested young and tender. They are prolific producers in warm weather.

Burnet County, Texas is in USDA Zone 8a. The average last spring frost is March 6 and the first fall frost is November 20, giving you a growing season of approximately 259 days.

At an elevation of 1,090 feet, Burnet County receives approximately 60.6 inches of rainfall annually with predominantly clay soil. Summer highs average 93ยฐF, providing good warmth for Squash (Summer) during the growing season. Clay soil retains moisture well for Squash (Summer), but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Squash (Summer) root diseases.

Burnet County, TX (Zone 8a) Long season
259 days
Last Spring Frost March 6
259 growing days
First Fall Frost November 20

Burnet County Soil Profile

Soil Type

Clay

Soil pH

6.8-7.6

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (130 days to spare)
Start indoors: Jan 30 Transplant: Mar 13 🍅 Harvest: May 1 – Jul 3
Recommended (50%) ✓ Fits season (133 days to spare)
Start indoors: Feb 6 Transplant: Mar 20 🍅 Harvest: May 8 – Jul 10
Safe Start (90%) ✓ Fits season (118 days to spare)
Start indoors: Mar 13 Transplant: Apr 24 🍅 Harvest: Jun 12 – Aug 14

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
0.0″/week
Watering frequency Only during dry spells
Season total 40 gal / 100 sq ft
Squash (Summer) needs ~1,086 GDD — county provides 5,115 GDD Excellent fit

Squash (Summer) Planting Timeline โ€” Burnet County, TX

Squash (Summer) Planting Calendar

Activity When Date Range
Start Indoors February 6 Feb 6 โ€“ Feb 20
Transplant Outdoors March 20 Mar 20 โ€“ Apr 3
Direct Sow March 13 Mar 13 โ€“ Apr 3
Harvest May 8 May 8 โ€“ Jul 10

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 Transplant Outdoors Direct Sow
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

45โ€“65 days

Soil pH

6 โ€“ 7.5

USDA Zone

Zone 8a

Growing Season

259 days

Growing Tips for Burnet County

Direct sow after last frost on mounds. Harvest frequently when fruits are 6-8 inches for best texture. Check plants daily as they grow rapidly in summer heat.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes

Level Up Your Garden

Frequently Asked Questions

When should I plant Squash (Summer) in Burnet County, TX?

Burnet County is in Zone 8a with an average last frost of March 6. Plan your Squash (Summer) planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Burnet County, TX?

Burnet County, Texas is in USDA Hardiness Zone 8a. The average last spring frost is March 6 and first fall frost is November 20.

๐ŸŒฑ

Plan Your Garden with Confidence

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