What plant hardiness zone is Cardiff

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

Plant hardiness zone (winter frost zone or gardening zone) for Cardiff is 11a by the USDA scale.

Coldest zone's winter temperature is 4.4 … 7.2 °C.

Australian plant hardiness zone for Cardiff is 5 by the ANBG scale.

Plants of 5 ANBG hardiness zone suitable for outdoor gardening and growing in this winter frost zone 5 ANBG.

Cardiff, New South Wales @ wikipedia.