How to Propagate commonName:"butterfly bush 'Fascinating'"?
Propagate by semi-hardwood cuttings in summer, or by hardwood cuttings in autumn

commonName:"butterfly bush 'Fascinating'" · Buddleja davidii 'Fascinating'
Thrives in a sunny, well-drained situation, though will tolerate partial shade. Protect from strong winds and excess winter wet. See buddleja cultivation for more detailed advice
Propagate by semi-hardwood cuttings in summer, or by hardwood cuttings in autumn