When to Plant Butternut Squash in Saint Petersburg, Florida (33708)

Location

Saint Petersburg, Florida

ZIP Code

33708

USDA Zone

10b

Last Frost

Thursday, January 15, 2026

📅 Planting Calendar

Start Seeds Indoors Thursday, December 18, 2025

Transplant Outdoors Thursday, January 29, 2026

Pro Tip: Start Butternut Squash seeds indoors 4 weeks before your last frost date, then transplant outdoors around Thursday, January 29, 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 Saint Petersburg?

Get your seeds now so they're ready by Thursday, December 18, 2025.

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🤝 Good Companions

CornBeanMarigoldNasturtium

⚠️ Avoid Planting Near

Potato

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Growing Butternut Squash in Zone 10b

Butternut Squash (Cucurbita moschata) is a popular garden vegetable. In Saint Petersburg, Florida, which is in USDA Hardiness Zone 10b, you should start seeds indoors around Thursday, December 18, 2025.

Your average last frost date is Thursday, January 15, 2026. Plan to transplant your Butternut Squash seedlings outdoors around Thursday, January 29, 2026, about 2 weeks after your last frost date.