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When to Plant Acorn Squash in Saskatchewan

Acorn squash is a small winter squash with dark green, ribbed skin and mildly sweet orange flesh. It is perfect for stuffing and roasting as individual servings.

Saskatchewan spans USDA hardiness zones 3b, 4a (with planting data available), so planting dates vary by your location within the state. Click your zone below for the most accurate dates.

Find Your County

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

Acorn Squash Planting Calendar for Saskatchewan

Zone 3b ~135 day growing season · Full guide →

Last frost: May 10 · First frost: September 22 · 135 day season

Activity When Date Range
Start Indoors March 29 Mar 29 – Apr 12
Transplant Outdoors May 31 May 31 – Jun 14
Direct Sow May 24 May 24 – Jun 14
Harvest August 23 Aug 23 – Sep 27
Zone 4a ~145 day growing season · Full guide →

Last frost: May 6 · First frost: September 28 · 145 day season

Activity When Date Range
Start Indoors March 25 Mar 25 – Apr 8
Transplant Outdoors May 27 May 27 – Jun 10
Direct Sow May 20 May 20 – Jun 10
Harvest August 19 Aug 19 – Sep 23

Growing Tips for Saskatchewan

Direct sow after last frost. Harvest when the ground spot turns orange and the skin is hard. Acorn squash has a shorter storage life than butternut, lasting about 2 months.

Frequently Asked Questions

When should I plant Acorn Squash in Saskatchewan?

Planting dates for Acorn Squash in Saskatchewan depend on your USDA zone. Saskatchewan spans zones 3b, 4a. Check the planting calendar above for your specific zone's frost dates and planting windows.

What zone is Saskatchewan for planting?

Saskatchewan contains USDA hardiness zones 3b, 4a. Your specific zone depends on your location within the state — 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.