Armada St. Augustine™ is an improved selection of Stenotaphrum secundatum 'SS-100', one of the most successful cultivars of St. Augustine ever introduced. The product of a multi-generation seedling selection breeding program, Armada builds on the good qualities of 'SS-100' by incorporating additional benefits: A soft-to-the-touch St. Augustine with less thatch, a darker green color, improved vigor, and improved resistance to grey leaf spot disease. US Patent No. PP27,538