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When to Plant Zucchini in Lake Oswego, Oregon (97035)

Location

Lake Oswego, Oregon

ZIP Code

97035

USDA Zone

9a

Last Frost

Saturday, February 20, 2027

📅 Planting Calendar

Start Seeds Indoors Saturday, January 23, 2027
Transplant Outdoors Saturday, March 6, 2027

Pro Tip: Start Zucchini seeds indoors 4 weeks before your last frost date for best results.

🌿 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

🤝 Good Companions

CornBeansNasturtiumMarigold

⚠️ Avoid Planting Near

Potato

Other Plants for Lake Oswego

Growing Zucchini in Zone 9a

Zucchini (Cucurbita pepo) is a popular garden vegetable. In Lake Oswego, Oregon, which is in USDA Hardiness Zone 9a, you should start seeds indoors around Saturday, January 23, 2027.

Your average last frost date is Saturday, February 20, 2027. Plan to transplant your Zucchini seedlings outdoors around Saturday, March 6, 2027, about 2 weeks after your last frost date.