The most characteristic feature of Thuja occidentalis 'Mirjam' is its striking yellow foliage in summer. In winter 'Mirjam' turns to orange and bronze-green. 'Mirjam' is a beautiful sphere of about 2 ft (60 cm) and is fully hardy.x0dx0ax0dx0ax0dx0aThuja occidentalis 'Mirjam' has won a bronze KVBC award in 2016 and a bronze medal at GrootGroenPlus 2008.