What plant hardiness zone is B and E Colonia
B and E Colonia is located at Starr County, Texas (TX), USA.
Plant hardiness zone (winter frost zone or gardening zone) for B and E Colonia is 9b by the USDA scale.
Coldest zone's winter temperature is +25 … +30 °F.
Plants of 9b USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 9b USDA.