Questions about Leaf Casting
This GardenWeb FAQ page on How Do I Make a Concrete Leaf Casting is very informative and includes tips from readers. It includes ideas for adding a stem to your leaf and methods of reinforcing large castings.
Creative Concrete Ornaments for the Garden
For inspiration and ideas for making concrete leaf castings and other works of art for your garden, don't miss Sherri Warner Hunter's book, Creative Concrete Ornaments for the Garden (Lark Books, 2005; $29.95). Hunter explains how to make 21 different projects, some incorporating pea gravel and marble chips, some involving carving and texturing, even making statuary.