If you either thought about a limestone boulder or already have one that you think is a true accent then maybe it's time to add more! The irregular shapes of limestone boulders with moss and lichens make them a natural, attractive landscape addition These boulders are mostly light buff to cream-colored which truly highlights the mosses and lichens. They make a beautiful decorative wall! You should also check out the lighting that we can do on either a solitary boulder or the wall!