What plant hardiness zone is American Fork
American Fork is located at Utah County, Utah (UT), USA.
Plant hardiness zone (winter frost zone or gardening zone) for American Fork is 7a by the USDA scale.
Coldest zone's winter temperature is 0 … +5 °F.
Plants of 7a USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 7a USDA.
American Fork, Utah @ wikipedia.