Luster Leaf Products, Inc. has grown to be North America's leader in electronic and chemical soil testers for the home gardener. In an effort to provide products for successful gardening, Luster Leaf continues to grow and change, offering a diverse group of products for indoor and outdoor gardening. Whether looking for a solution for drooping dahlias, or just fed-up with poor results in the flower bed, Luster Leaf's product selection can help.