Vibrant colors and they are all Hosta :)
interesting to have a wall like this in a garden... to 'go through the door' it is kind of a neat thing
Sedum sarmentosum - Spreads rapidly, almost invasively. Good for extremely poor soils. Idea for planting along ditch.
Shade plant combination: Hostas, Japanese Painted Ferns, Japanese Forest Grass
Shade: aglaonema Valentine (Chinese evergreen), pink New Guinea impatiens, blue torenia, creeping jenny