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When to Plant Zucchini in Northwest Territories

Zucchini is an incredibly prolific summer squash that can produce an abundance of fruit from just a few plants. It is versatile in the kitchen from grilling to baking.

Northwest Territories spans USDA hardiness zones 3a (with planting data available), so planting dates vary by your location within the state. Click your zone below for the most accurate dates.

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Click your county for exact Zucchini planting dates based on your local frost dates.

Zucchini Planting Calendar for Northwest Territories

โ–ธ Zone 3a ~123 day growing season ยท Full guide โ†’

Last frost: May 15 ยท First frost: September 15 ยท 123 day season

Activity When Date Range
Start Indoors April 3 Apr 3 โ€“ Apr 17
Transplant Outdoors June 5 Jun 5 โ€“ Jun 19
Direct Sow May 29 May 29 โ€“ Jun 19
Harvest July 24 Jul 24 โ€“ Sep 18

Growing Tips for Northwest Territories

Direct sow after last frost. Harvest when fruits are 6-8 inches long for best flavor and texture. Check plants daily in summer as fruits can double in size overnight.

Frequently Asked Questions

When should I plant Zucchini in Northwest Territories?

Planting dates for Zucchini in Northwest Territories depend on your USDA zone. Northwest Territories spans zones 3a. Check the planting calendar above for your specific zone's frost dates and planting windows.

What zone is Northwest Territories for planting?

Northwest Territories contains USDA hardiness zones 3a. Your specific zone depends on your location within the state โ€” northern and higher-elevation areas are in colder zones, while southern and coastal areas are warmer.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals, University Cooperative Extension planting guides. Last updated: April 2026.