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'RUIlav' rose Description
'Blue Curiosa ™' rose photo
Photo courtesy of Gabriel
Availability:
Commercially available
Synonyms:
HMF Ratings:
14 favorite votes.  
ARS:
Exhibition name: Blue Curiosa ™
Origin:
Discovered by Antonius A. Pouw (Netherlands, 1993).
Introduced in Netherlands by De Ruiter's Nieuwe Rozen B.V. in 1997 as 'Blue Curiosa'.
Class:
Florists Rose, Hybrid Tea.  
Bloom:
Lilac - purple.  None to mild fragrance.  25 to 30 petals.  Average diameter 4.5".  Large, very double, borne mostly solitary bloom form.  Blooms in flushes throughout the season.  Medium, ovoid buds.  
Habit:
Glossy foliage.  3 to 7 leaflets.  

Height: 28" to 35" (70 to 90cm).  
Growing:
USDA zone 7b and warmer.  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.  Requires spring freeze protection (see glossary - Spring freeze protection) .  
Patents:
Australia - Application No: 2001/358  on  2001   VIEW PBR PATENT
 
European Union - Application No: 97/0576  on  16 Apr 1997
Applicant: De Ruiter's Nieuwe Rozen BV. Breeder: (Same). Provisional designation: RUIlav.
 
United States - Patent No: PP 10,918  on  25 May 1999   VIEW USPTO PATENT
Application No: 08/921,123  on  28 Aug 1997
Notes:
Parentage information from patent statements available in Comments Section.