Rubble Wall by AGA~mum, via Flickr

Echeveria secunda in rock wall by Sweetstuff "Candy", via Flickr

Creeping Thyme, great for rock walls, nooks and crannies...

I WANT TO DO THIS WITH OUR WALLS!!! make the most of a space - soften retaining walls by adding perennials between stones for color

stone wall

Planted Pockets Give Life to Stone Walls

stone wall "seating"

german garden, recycled retaining brick wall -

Euphorbia and Aeoniums in a rock garden.

Succulents in a tree trunk planter make a nice contrast of textures.

Retaining Wall.

Retaining wall

retaining wall ideas | Retaining Walls - When There Just Isn't Enough Space

Retaining walls specifically designed to recreate the look of stacked rock walls

Rock retaining wall with stairs

Build a Dry-Stacked Stone Retaining Wall

rustic stone wall

Reclaimed Retaining Wall This retained wall was built using recycled chicken wire, reclaimed wooden posts and rocks that were dug up from the ground – brilliant idea for shaping your garden.

#RealPalmTrees nice perennial garden but the star here is the fantastic flagstone steps & flat stack retaining wall #gardening

Beautiful cottage garden... looooove the old stone wall and the stone path way too!!!!!!

Rock garden wall