About Moss Roses. Moss roses serve as edging plants, but they also grow well in rock gardens. These roses range in colors from extremely dark crimson to white. Moss roses actually are sports of damask roses as well as centifolia roses, also known as cabbage roses.onditions. Moss roses grow best in light, well-drained soil that features organic matter such as peat moss or well-rotted manure. They also need a sunny growing location. Give these roses at least six hours to eight hours of direct sun each day.