🌱 MyLocalPlanting

When to Plant Zucchini in Sunnyside, Utah (84539)

Location

Sunnyside, Utah

ZIP Code

84539

USDA Zone

6b

Last Frost

Wednesday, April 15, 2026

📅 Planting Calendar

Start Seeds Indoors Wednesday, March 18, 2026
Transplant Outdoors Wednesday, April 29, 2026

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 Sunnyside

Growing Zucchini in Zone 6b

Zucchini (Cucurbita pepo) is a popular garden vegetable. In Sunnyside, Utah, which is in USDA Hardiness Zone 6b, you should start seeds indoors around Wednesday, March 18, 2026.

Your average last frost date is Wednesday, April 15, 2026. Plan to transplant your Zucchini seedlings outdoors around Wednesday, April 29, 2026, about 2 weeks after your last frost date.