https://pfaf.org/USER/Plant.aspx?LatinName=Cirsium+arizonicum
Cirsium arizonicum is an evergreen Biennial growing to 1 m (3ft 3in) by 0.5 m (1ft 8in) at a fast rate. See above for USDA hardiness. It is hardy to UK zone 5....
cirsium arizonicumarizona thistleplant databasepfaf