Purple Emperor is part of the Sedum genus and is a Hybrid stonecrop variety. Its scientific name is Sedum 'Purple Emperor'. A type of Flower, it mainly grows as a Perennial plant - which means it typically grows best over a long period (from 3 years+). Purple Emperor normally reaches to a mature height of 1.24 feet (38.0 cm). Expect blooming to occur in late summer.
This variety plant info is provided by the myfolia gardener's wiki. All details about Purple Emperor have been kindly provided by our members.
Pinch back by half in early June for a more compact plant.Purple Emperor likes a position of full sun and remember to apply water fairly sparingly. Keep in mind when planting that Purple Emperor is thought of as very hardy, so this plant will tend to survive through freezing conditions. USDA Hardiness Zone 3 to 10 are typically the USDA Hardiness Zones that are appropriate for this plant (although this can vary based on your microclimate).