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'Rosa bicolor' rose Description
'<i>Rosa foetida</i> var. <i>bicolor</i> Willmott' rose photo
Photo courtesy of wernersen
Availability:
Commercially available
HMF Ratings:
221 favorite votes.  
Average rating: GOOD-.  
ARS:
Yellow blend Species.
Registration name: Jaune Bicolor
Exhibition name: R. foetida bicolor
Origin:
Introduced by Unknown in before 1590 as 'R. foetida bicolor'.
Introduced in Australia by C. H. Halstead in 1899 as 'Austrian Copper'.
Class:
Hybrid Foetida/Lutea, Species / Wild.  
Bloom:
Orange-red, yellow reverse, yellow stamens. [Yellow blend.]. [Red blend, stripes.].  Strong, unpleasant fragrance.  5 petals.  Average diameter 1.5".  Small to medium, single (4-8 petals), borne mostly solitary, in small clusters bloom form.  Once-blooming spring or summer.  
Habit:
Arching, bushy, upright.  Medium, matte, dark green foliage.  5 to 7 leaflets.  

Height: 6' to 8' (185 to 245cm).  Width: 5' to 20' (150 to 610cm).
Growing:
USDA zone 3a and warmer.  Drought resistant.  Disease susceptibility: susceptible to blackspot .  
Patents:
Patent status unknown (to HelpMeFind).
Ploidy:
Tetraploid
Notes:
Described in Gerald's Herbal, 1597.
This flowers occasionally revert to the yellow color of the parent. Grows in Zone 3 in Alberta, Canada.

[See also 'Austrian Copper'.]
 
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