Saint John County, New Brunswick, NB, Canada plant hardiness zones (gardening zones)
Plant hardiness zones (winter frost zones or gardening zones) range for Saint John County, New Brunswick (NB), Canada is:
- 5b
by the Canadian PHZ scale.
Plant hardiness zones (winter frost zones or gardening zones) range for Saint John County, New Brunswick (NB), Canada is:
by the Canadian PHZ scale.