Plants: Get a hydrangea arborescens 'lime rickey' plant. Rounded shrub: With dark green leaves and domed lime green flower heads. Size: Height and spread of up to 1.2m at maturity. Excellent coverage: Perfect for your garden but also idea for cut flowers which can be used in fresh or dried indoor arrangements. Hardy: The shrub is hardy enough but thrives when sheltered from cold and dry winds. Hydrangea Arborescens Lime Rickey Plant | Living Social