Name: Rick Corey Everett WA 98204 (Zone 8a) Sunset Zone 5. Koppen Csb. Eco 2f
I agree that anything that can be stated precisely and correctly, should be.
But when the fact is that a given cultivar (for example) is hardy in Zone 6 for a few people, Zone 7 for many, and Zone 8 for 90%, which number is "right"?