What plant hardiness zone is Stanford Merthyr

Stanford Merthyr is located at Northumberland County, New South Wales (NSW), Australia.

Plant hardiness zone (winter frost zone or gardening zone) for Stanford Merthyr is 10a by the USDA scale.

Coldest zone's winter temperature is −1.1 … 1.7 °C.

Australian plant hardiness zone for Stanford Merthyr is 3 by the ANBG scale.

Plants of 3 ANBG hardiness zone suitable for outdoor gardening and growing in this winter frost zone 3 ANBG.

Stanford Merthyr @ wikipedia.