When to Plant Zucchini in Heafford Junction, Wisconsin (54532)
Location
Heafford Junction, Wisconsin
ZIP Code
54532
USDA Zone
4a
Last Frost
Friday, May 15, 2026
📅 Planting Calendar
Pro Tip: Start Zucchini seeds indoors 4 weeks before your last frost date, then transplant outdoors around Friday, May 29, 2026.
🌿 Plant Details
☀️ 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 Heafford Junction?
Get your seeds now so they're ready by Friday, April 17, 2026.
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🤝 Good Companions
⚠️ Avoid Planting Near
Other Plants for Heafford Junction
Growing Zucchini in Zone 4a
Zucchini (Cucurbita pepo) is a popular garden vegetable. In Heafford Junction, Wisconsin, which is in USDA Hardiness Zone 4a, you should start seeds indoors around Friday, April 17, 2026.
Your average last frost date is Friday, May 15, 2026. Plan to transplant your Zucchini seedlings outdoors around Friday, May 29, 2026, about 2 weeks after your last frost date.