What plant hardiness zone is Port Burwell
Port Burwell is located at Elgin County, Ontario (ON), Canada.
Plant hardiness zone (winter frost zone or gardening zone) for Port Burwell is 6b by the PHZ Canadian scale.
Plants of 6b PHZ hardiness zone suitable for outdoor gardening and growing in this winter frost zone 6b PHZ.
Also perennial plants from the equivalent USDA zone 5b with coldest winter temperature −26.1 … −23.3 °C and lower can be grown here, see list of plants for 5b USDA winter zone.
Port Burwell, Ontario @ wikipedia.