How to Propagate Diels' cotoneaster?
Propagate by seed in containers in a cold frame as soon as ripe in autumn or propagate by softwood cuttings (greenwood cuttings) in early summer

Diels' cotoneaster · Cotoneaster dielsianus
Grow in moderately fertile, well-drained soil in full sun
Propagate by seed in containers in a cold frame as soon as ripe in autumn or propagate by softwood cuttings (greenwood cuttings) in early summer