my LocalPlanting

When to Plant Zucchini in Arcata, California (95521)

Location

Arcata, California

ZIP Code

95521

USDA Zone

9b

Last Frost

Tuesday, February 10, 2026

📅 Planting Calendar

Start Seeds Indoors Tuesday, January 13, 2026
Transplant Outdoors Tuesday, February 24, 2026

Pro Tip: Start Zucchini seeds indoors 4 weeks before your last frost date, then transplant outdoors around Tuesday, February 24, 2026.

🌿 Plant Details

Scientific Name Cucurbita pepo
Days to Maturity 50 days
Mature Height 24-36"
Spread 48"
Type Bush
Fruit Size Medium (6-8 inches)

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Regular (1-2 inches/week)

↔️

Spacing

36" apart

🌱

Planting Depth

1" deep

Seeds typically germinate in 7-14 days

Ready to Plant Zucchini in Arcata?

Get your seeds now so they're ready by Tuesday, January 13, 2026.

* Affiliate links — we may earn a small commission at no extra cost to you.

🤝 Good Companions

CornBeansNasturtiumMarigold

⚠️ Avoid Planting Near

Potato

Other Plants for Arcata

Growing Zucchini in Zone 9b

Zucchini (Cucurbita pepo) is a popular garden vegetable. In Arcata, California, which is in USDA Hardiness Zone 9b, you should start seeds indoors around Tuesday, January 13, 2026.

Your average last frost date is Tuesday, February 10, 2026. Plan to transplant your Zucchini seedlings outdoors around Tuesday, February 24, 2026, about 2 weeks after your last frost date.