'Year-Round Rose' Description
Photo courtesy of Steven Cook
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Pink. Strong fragrance. Double (17-25 petals) bloom form. Blooms in flushes throughout the season, occasional repeat later in the season.
Height of 4' to 5' (120 to 150 cm). Width of 3' to 4' (90 to 120 cm).
Remove old canes and dead or diseased wood.. Prune after flowering is finished.
Rosa bifera (Poir.) Pers. Syn. Pl. 2 : 48 (1806)
Recent research in Japan indicates that both summer and autumn damask roses originated with (R. moschata X R. gallica) X R. fedtschenkoana. Gene, Vol. 259, Issues 1-2, 23 December 2000, Pages 53-59.
Dickerson says it's probably extinct. In 1959 Rowley reported that Graham S. Thomas reintroduced the Autumn Damask into cultivation. He had found it as a sport of Perpetual White Moss.
The Audibert catalogue differentiates between 'Tous les mois' and 'Quatre Saisons'
According to Thory 'Damascena perpetua' = 'Quatre Saisons continue' is a single form with 8-10 petals. See references (1817).