Twilight Rose ShrubAbundant Velvet Purple Roses in Shrub Form Why Twilight Rose Shrubs? Imagine vivid, amethyst hued Twilight Roses each spring. With the Twilight Rose Shrub, you get old fashioned, double form flowers in clusters with huge clusters with the vibrant contrast of dark green leaves. Even better? The Twilight Rose blooms on new wood and keeps on blooming for months at a time. That means youll have a continuous array of large purple flowers spring, summer,