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'Calendrier' rose Description
'Quatre Saisons' rose photo
Photo courtesy of Meetza
Availability:
Commercially available
HMF Ratings:
320 favorite votes.  
Average rating: EXCELLENT-.  
ARS:
Deep pink Damask.
Registration name: Quatre Saisons Continue
Exhibition name: Autumn Damask
Origin:
Bred by Unknown (before 1633).
Class:
Damask, Portland.  
Bloom:
Pink.  Fragrant stamens.  Strong fragrance.  Average diameter 2.75".  Medium, semi-double to double bloom form.  Occasional repeat later in the season.  
Habit:
Light green foliage.  

Height: 4' to 5' (120 to 150cm).  Width: 3' to 4' (90 to 120cm).
Growing:
Remove old canes and dead or diseased wood..  Prune after flowering is finished.  
Patents:
Patent status unknown (to HelpMeFind).
Ploidy:
Tetraploid
Notes:
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).
 
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