Posted: 23/05/2015 at 21:47
The best rose germination I ever had was after making rosehip wine. Boiling water poured on the hips, soaked for several days, strained off and the remains thrown on the garden. A rose forest developed.
Some Rosa rugosa sown in autumn germinated almost immediately and flowered within 12 months.
Rosa rubrifolia in a pot did nothing but the garden has plenty of selfsets