If you can find an old gardener/lansdscaper who's more familiar with what cultivars were available/popular in LA 50-60 years ago, that's really your best bet for narrowing it down. But whatever it is, it's got nice foliage. I hope your cuttings take!I watched Bjorn's video and thought it was interesting to learn about shimpaku. yeah it's difficult to know what exactly it is. just thought someone could identify it as it was already planted there before my grandma purchased her house(more than 60 years ago).