Two trees from Butchart Gardens

Cornus Controversa "Variegata,"  "Wedding Cake Tree"
https://www.gardenia.net/plant/Cornus-controversa-Variegata

At Butchart Gardens. 

GOlden Locust Robinia, Pseudo-acicia
These were all over the eastern side of Vancouver Island, and their neon-green leaves were even more dramatic against the dark green pines and firs.

https://www.greatplantpicks.org/plantlists/view/1344