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'Smooth Buttercup' rose Description
'Smooth Buttercup' rose photo
Photo courtesy of Jowita Czyż
Availability:
Commercially available
Synonyms:
HADcup
HMF Ratings:
26 favorite votes.  
Average rating: EXCELLENT-.  
ARS:
Deep yellow Floribunda.
Registration name: HADcup
Exhibition name: Smooth Buttercup
Origin:
Bred by Harvey D. Davidson (United States, 2003).
Class:
Floribunda.  
Bloom:
Deep yellow.  Moderate fragrance.  Average diameter 3.25".  Medium, double (17-25 petals), in small clusters, ruffled bloom form.  Blooms in flushes throughout the season.  
Habit:
Medium, thornless (or almost), upright.  Medium, matte, medium green foliage.  
Height of 2' to 32" (60 to 80 cm).  
Growing:
USDA zone 6b through 9b (default).  Can be used for beds and borders, container rose, cut flower, garden, hedge, landscape or rock garden.  Remove spent blooms to encourage re-bloom.  Spring Pruning: Remove old canes and dead or diseased wood and cut back canes that cross. In warmer climates, cut back the remaining canes by about one-third. In colder areas, you'll probably find you'll have to prune a little more than that.  
Breeder's notes:
Flowers have ruffled petals.
Patents:
New Zealand - Application No: ROS953  on  27 Oct 2009
 
United States - Patent No: PP 16,014  on  4 Oct 2005   VIEW USPTO PATENT

A new and distinct rose cultivar of the Floribunda class characterized by
having long lasting clusters of deep yellow flowers on clean stems without
prickles and having a rapid rebloom cycle. The plant is upright and bushy
and is of medium height, generally averaging about 1 meter. Stems are well
covered with matte foliage. The plant is resistant to mildew, rust and
blackspot.

Inventors:
Davidson; Harvey D. (Orinda, CA)
Notes:
Introduced by Monrovia Nursery, 2003