Red Sea is an impressive Heuchera with a moderate growth rate. This variety can reach a height of 12 inches and a width of 16 inches. Its dense foliage makes it perfect for grouping in clusters. Planting three of these can effectively cover a large section of your garden. Its Spring foliage is red, while in Summer it turns deep ruby with rose-colored undersides. By Autumn, it returns to its striking red color.