What plant hardiness zone is Porter Heights

Porter Heights is located at Montgomery County, Texas (TX), USA.

Plant hardiness zone (winter frost zone or gardening zone) for Porter Heights is 9a by the USDA scale.

Coldest zone's winter temperature is +20 … +25 °F.

Plants of 9a USDA hardiness zone suitable for outdoor gardening and growing in this winter frost zone 9a USDA.

Porter Heights, Texas @ wikipedia.