Growth rate is slower than the green species, and I dont think they really weep well like an older European Weeping Birch. Small purple leaves are tough to see.
As you cans see, the leaves are the same shape as the species, they are just purple.
Misidentification: Not sure,
Location:
Soquel. 3036 Center St
Aptos: 520 Bayview on the Cliff Dr side of the street.
On Dolphin near the intersection with Via Novella ... The true house address is 1807 Via Pacifica but the tree would be in the back yard which happens to be on Dolphin.