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When to Plant Kai Lan in Northwest Territories

Kai lan (Chinese broccoli) is a brassica grown for its thick, glossy stems and small flower buds. It has a slightly bitter, broccoli-like flavor essential in Cantonese cooking.

Northwest Territories spans USDA hardiness zones 2b, 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 Kai Lan planting dates based on your local frost dates.

Kai Lan Planting Calendar for Northwest Territories

โ–ธ Zone 2b ~111 day growing season ยท Full guide โ†’

Last frost: May 22 ยท First frost: September 10 ยท 111 day season

Activity When Date Range
Start Indoors April 10 Apr 10 โ€“ Apr 24
Transplant Outdoors May 22 May 22 โ€“ Jun 5
Direct Sow May 15 May 15 โ€“ Jun 5
Harvest July 10 Jul 10 โ€“ Aug 7
Fall Sowing June 18 Jun 18 โ€“ Jul 2
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 May 15 May 15 โ€“ May 29
Direct Sow May 8 May 8 โ€“ May 29
Harvest July 3 Jul 3 โ€“ Jul 31
Fall Sowing June 23 Jun 23 โ€“ Jul 7

Growing Tips for Northwest Territories

Direct sow in spring or fall. Harvest when flower buds first appear but before they open. Cut stems at the base to encourage side shoots. Prefers cool weather.

Frequently Asked Questions

When should I plant Kai Lan in Northwest Territories?

Planting dates for Kai Lan in Northwest Territories depend on your USDA zone. Northwest Territories spans zones 2b, 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 2b, 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.