Spiraea Nipponica Snowmound 3LA spring flowering plant with arching stems that are covered in bright white flowers and followed by fresh green foliage during the summer months. Best in sun or partial shade in a moist yet well drained soil. As a guide this plant can grow to 200cm by 150cm Here at Polhill we recommend that you use a good quality compost mixed with your garden soil when planting in the ground. If going into containers then a good multipurpose compost or John Innes