The flowers form in upright clusters at the peak of vertical stems

Prune back hard in late winter/early spring

The petals have grey-blue streaks on their underside which give them a bluish tint when half closed or in bud

Unlike its cousins that display yellow leaves

Carex 'JS Greenwell' Begonia x tuberhybrida 'Illumination Apricot Shades' The flowers form in uprightCommonly known as Sedge, Carex oshimensis JS Greenwell is a versatile garden plant that works well placed in groups or on its own in pots and containers. The narrow leaves arch to form an elegant fountain shape, which is topped off by spikes of sandy flowers in May and June. Carex oshimensis JS Greenwell is a low maintenance plant that thrives with little time and effort. When planted in the right spot, all it requires is watering during dry spells.