\n\tPurple Love Grass (Eragrostis spectabilis) - One of the most well-known and popular ornamental grasses, Purple Love Grass, is easily propagated by ornamental grass seeds. This grass is a native to the United States and is found on sandy, disturbed, or infertile soils. Eragrostis spectabilis Purple Love Grass blooms summer through fall adding a purple frothiness to the landscape.