This variety of rose mallow is often praised for its undemanding nature and bushy foliage but these desirable qualities pale into insignificance compared to the hardy shrub39s remarkable flowers hibiscus syriacus 39purple ruffles39 gets its name from its purple45red blooms each of which comprises two or three layers of delicate petals the plant is free45flowering from august to october ensuring that the patio containers and borders in which it grows remain eye45catching we