https://pfaf.org/user/Plant.aspx?LatinName=Sideritis+scardica
Sideritis scardica is a PERENNIAL growing to 0.4 m (1ft 4in) by 0.2 m (0ft 8in). See above for USDA hardiness. It is hardy to UK zone 8 and is not frost...
greek mountain teasideritis scardicaplant databasepfaf