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"Kaisaniemi" rose Description
'Double Yellow (Foetida, Williams, 1820)' rose photo
Photo courtesy of menja
Availability:
Commercially available
HMF Ratings:
76 favorite votes.  
ARS:
Medium yellow Hybrid Foetida.
Registration name: Williams' Double Yellow
Exhibition name: Williams' Double Yellow
Origin:
Bred by John Williams (United Kingdom, 1820).
Class:
Hybrid Spinosissima, Shrub, Species Cross.  
Bloom:
Butter-yellow, green pointel.  Mild fragrance.  Average diameter 2".  Small, double (17-25 petals), cupped, globular bloom form.  Once-blooming spring or summer.  
Habit:
Height of 4' (120 cm).  Width of 4' (120 cm).
Growing:
USDA zone 6b through 9b (default).  Produces decorative hips.  shade tolerant.  Do not prune.  Resist the urge to prune this rose too heavily -- it doesn't like it!.  
Ploidy:
Triploid
Notes:
Parentage uncertain, see References.


The Swedish Rose Society recommends Williams' Double Yellow for northern Sweden.


Dag from Norway says this rose is called 'Namdalsrosen' there. In Finland, the found rose "Kaisaniemi" (KESKAS-857) was identified as 'William's Double Yellow'.

Ploidy information supplied by David Zlesak.

 
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