Rock garden at Emmetts National Trust Kent It's not all about plants. There are rocks, walls, walkways, gates, trellises, and many more elements to consider.
Easy building a rock garden Designs incorporating water features don't make sense for southern California, but other than that there are some neat ideas to consider.
Top plants for walls, cracks and crevices Plants that grow out of cracks and crevices are interesting to see in nature and there's no reason they can't be part of a home garden.
Никитский ботанический сад /Ялта/Крым/Ноябрь/2020/Nikitsky Botanical Garden/Yalta/November/ Russia This botanical garden in Crimea (part of Russia) easily deserves to be in the top ten list of world class botanical gardens!
Gardening with Stone - Garden Tour with Jeremy Schmidt This guy really knows how to landscape with stone. The stones the star! It can handle wet, dry, cold, hot, sunny, shady, etc. conditions. It's amazingly versatile!