Question: what are the cfc zones?
Answer: Alaska CFC Zone (Z001) ...  Hawaii/Pacific Area CFC Zone (Z002) ...  Southern California CFC Zone (Z003) ...  Northern California CFC Zone (Z004) ...  Cascadia CFC Zone (Z006) ...  Oregon CFC Zone (Z007) ...  Desert Southwest CFC Zone (Z009) ...  Mountain States CFC Zone (Z010)