Not only does Sedum, Lemon Ball, Stonecrop Ground Cover have a delicious-sounding name, but its juicy yellow colors and sunny personality make it an all-around winner. Whether it is spilling over the edges of a container or filling in the cracks in a rock garden, walkway, or wall, this vibrant plant is the star of the show. Its foliage is naturally bright and forms mounds up to 7-inches tall and 18-inches wide. If you have a sunny, dry, and hot garden, have no fear, because this sedum can take the heat even better than other sedums. It is one of the most popular varieties and pairs well with plants in contrasting, darker colors.