Lava Rock Bonsai
Lava rock bonsai are a lively take on a traditional root-over-rock bonsai. This project is all about creating a fun yet serene tray garden. An airy Euphorbia californica is mounted on a porous dark lava rock displayed off center on a crisp rectangular white marble tray. The light, flutter-leafed euphorbia is set off by dark, textured lava rock and grounded by the marble tray. A surprising magenta twine holds the bonsai to the lava rock. Plants with shallow root systems work well for this proj...