Alba is part of the Liatris genus and is a Prairie Gayfeather variety. Its scientific name is Liatris spicata 'Alba'. Normally grows to a mature height of 1.50 metres (4.88 feet).
Alba Prairie Gayfeather is great for inexperienced gardeners and those that like low maintainance gardens.
This variety plant info is provided by the myfolia gardener's wiki. All details about Alba have been kindly provided by our members.