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When to Plant Butternut Squash in Austin, Texas (78708)

Location

Austin, Texas

ZIP Code

78708

USDA Zone

9a

Last Frost

Friday, February 20, 2026

📅 Planting Calendar

Start Seeds Indoors Friday, January 23, 2026
Transplant Outdoors Friday, March 6, 2026

Pro Tip: Start Butternut Squash seeds indoors 4 weeks before your last frost date, then transplant outdoors around Friday, March 6, 2026.

🌿 Plant Details

Scientific Name Cucurbita moschata
Days to Maturity 100 days
Mature Height 12-18"
Spread 72"
Type Vine
Fruit Size Large (2-5 lbs)

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Regular (1 inch/week)

↔️

Spacing

60" apart

🌱

Planting Depth

1" deep

Seeds typically germinate in 5-10 days

Ready to Plant Butternut Squash in Austin?

Get your seeds now so they're ready by Friday, January 23, 2026.

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🤝 Good Companions

CornBeanMarigoldNasturtium

⚠️ Avoid Planting Near

Potato

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Growing Butternut Squash in Zone 9a

Butternut Squash (Cucurbita moschata) is a popular garden vegetable. In Austin, Texas, which is in USDA Hardiness Zone 9a, you should start seeds indoors around Friday, January 23, 2026.

Your average last frost date is Friday, February 20, 2026. Plan to transplant your Butternut Squash seedlings outdoors around Friday, March 6, 2026, about 2 weeks after your last frost date.