The Jewel of Desert Delosperma's are an absolute breakthrough. They make your garden smile. A new generation of Delosperma's that bloom extremely long from spring until frost occurs. The Jewel of Desert-series consists of all sorts of colours. Jewel of Desert Peridot has bright yellow flowers. The plant can stand drought very well and is hardy up to -13 degrees Fahrenheit. Peridot is up to 6" high and wide. Loves the sun.