how to plant in pockets of dry stone wall
I want to plant some of the natural pockets in a long (about 20 feet) but short (about 2 feet tall) natural stone wall. The stones are beautiful and huge; they don't have a very tough task maintaining the soil line. They are two stones high about a third of the way and three stones high the rest of the way. They were laid dry and contain no soil layers. How do I go about planting some of the pockets? Should I fill the pocket as deeply as I can with soil, then put the plant in, fill in around it, and try to water from the side (I have a water wand with a mist setting)? I'm making this up! I've never done it. Any tips?