'Robusta' Rose

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'Robusta' rose Description

My HMF:

Photo courtesy of Sheldon, John & Robyn

Availability:

Commercially available

Synonyms:

HMF Ratings:

41 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

Parentage:

Notes:

Some question about parentage [See References].