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When to Plant Acorn Squash in Portland, Arkansas (71663)

Location

Portland, Arkansas

ZIP Code

71663

USDA Zone

8b

Last Frost

Sunday, March 15, 2026

📅 Planting Calendar

Start Seeds Indoors Sunday, February 15, 2026
Transplant Outdoors Sunday, March 29, 2026

Pro Tip: Start Acorn Squash seeds indoors 4 weeks before your last frost date, then transplant outdoors around Sunday, March 29, 2026.

🌿 Plant Details

Scientific Name Cucurbita pepo
Days to Maturity 85 days
Mature Height 12-18"
Spread 60"
Type Vine
Fruit Size Small-Medium (1-2 lbs)

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Regular (1 inch/week)

↔️

Spacing

48" apart

🌱

Planting Depth

1" deep

Seeds typically germinate in 5-10 days

Ready to Plant Acorn Squash in Portland?

Get your seeds now so they're ready by Sunday, February 15, 2026.

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🤝 Good Companions

CornBeanMarigoldNasturtium

⚠️ Avoid Planting Near

Potato

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Growing Acorn Squash in Zone 8b

Acorn Squash (Cucurbita pepo) is a popular garden vegetable. In Portland, Arkansas, which is in USDA Hardiness Zone 8b, you should start seeds indoors around Sunday, February 15, 2026.

Your average last frost date is Sunday, March 15, 2026. Plan to transplant your Acorn Squash seedlings outdoors around Sunday, March 29, 2026, about 2 weeks after your last frost date.