Wall, Water, and Woodland Gardens, Including the Rock Garden and the Heath Garden

Wall, Water, and Woodland Gardens, Including the Rock Garden and the Heath Garden References Why Water Wall Fountains For Your Garden? | Home and Family Water Wall Fountains Can Transform Your Backyard — Gardening Information Days Out in Snowdonia: Parks, Gardens and Woodlands — The Tropical Gardener

Plants for Asian/ Japanese inspired woodland garden..in zone 3?

I am looking for some suggestions for hardy plants for my garden. I have some of my own ideas but would like some of yours. The area I want to plant already has existing trees and I want to include them. (they are: larch, birch, black cherry, azalea, and spruce.) Thanks! Please note: I live in a frost pocket and have to have plants hardy in zone 3. It is