Lovely lilac45blue flowers with a contrasting maroon centre appear in abundance on this deciduous shrub from late summer through to october despite its tropical looks hibiscus syriacus 39azurri39 is fully hardy and provides glorious long45lasting colour when many other plants have peaked although late to come into leaf in spring the three45lobed deep green leaves make an excellent foil for summer45flowering perennials great for sunny borders and requiring little maintena