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'Robusta' rose Description
'Robusta (Rugosa, Kordes, 1979)' rose photo
Photo courtesy of koalaa
Availability:
Commercially available
Synonyms:
HMF Ratings:
37 favorite votes.  
Average rating: EXCELLENT-.  
ARS:
Medium red Shrub.
Registration name: KORgosa
Exhibition name: Robusta
Origin:
Bred by Reimer Kordes (1922-1997) (Germany, 1979).
Class:
Hybrid Rugosa, Shrub.  
Bloom:
Scarlet.  Mild fragrance.  up to 5 petals.  Average diameter 4".  Large, single (4-8 petals) bloom form.  Occasional repeat later in the season.  
Habit:
Height of 5' to 7' (150 to 215 cm).  Width of 42" to 4' (105 to 120 cm).
Growing:
USDA zone 4b through 9b.  Shade tolerant.  Disease susceptibility: susceptible to blackspot .  
Ploidy:
Triploid
Notes:
Some question about parentage [See References].
 
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