Knowing your hardiness zone is essential to picking the right plants for your area. Click on the map for a larger view.
average minimum temperature
Zone 2, -50 to -40F Zone 3, -40 to -30F Zone 4, -30 to -20F Zone 5, -20 to -10F Zone 6, -10 to 0F Zone 7, 0 to 10F Zone 8, 10 to 20F Zone 9, 20 to 30F Zone 10, 30 to 40F