Name: tarev San Joaquin County, CA (Zone 9b) Give PEACE a chance!
Our winters here are quite milder being no snow just chilly days/nights with some rains, but I do notice my Sedum spathulifolium 'Cape Blanco', Sedum s. 'Carnea', Sedum oreganum, Sedum rubrotinctum do not die down, and have lovely color changes too.