Hypericum calycinum is a low45growing ground45covering shrub needing virtually no maintenance also known as the rose of sharon and popular throughout the uk it grows almost anywhere 45 from fertile moist soil to poor dry conditions and even deep shade33 its large daffodil45yellow flowers carry a central powder45puff of anthers from summer to autumn a versatile shrub that makes an excellent spreading landscape45style ground cover for borders and woodlands hypericum