the USDA plant hardiness map can show you exactly what's in zones 6a and 6b. Our chart can also give you a general idea, and the above map can help you zero in on your area. Zone 6 States 6a & 6b ...

Zone 6b has a minimum average temperature of -5F to -0F while Zone 6a has a slightly cooler set of temperatures. Growing Zone 6 stretches from Long Island and New Jersey all the way through ...