'Robusta' rose Description
Photo courtesy of Bo Fransson
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Medium red Shrub.Registration name: KORgosaExhibition name:
Scarlet. Mild fragrance. up to 5 petals. Average diameter 4". Large, single (4-8 petals) bloom form. Occasional repeat later in the season.
Height of 5' to 7' (150 to 215 cm). Width of 42" to 4' (105 to 120 cm).
USDA zone 4b through 9b. Shade tolerant. Disease susceptibility: susceptible to blackspot .
Some question about parentage [See References].