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'Blanc Double de Coubert' rose Description 
  
  
  
  Photo courtesy of Rosarium M.Kralka
HMF Ratings: 
123 favorite votes.  Average rating: 
EXCELLENT.
 
ARS: White, near white or white blend Hybrid Rugosa.Registration name: Blanc Double de Coubert (Rugosa, Cochet-Cochet, 1892)
 
Bloom: White or white blend.  Strong fragrance.  10 to 20 petals.  Average diameter 3".  Large, semi-double (9-16 petals) bloom form.  Prolific, blooms in flushes throughout the season.  Long, pointed buds.   
Habit: Tall, arching, armed with thorns / prickles, suckers on its own roots.  Dark green foliage.  
 Height: 4' to 7' (120 to 215cm).  Width: 4' to 7' (120 to 215cm).
 
Growing: USDA zone 3b through 9b.  Hardy.  vigorous.  Blooms tend to ball in wet weather.  produces decorative hips.  shade tolerant.  Disease susceptibility: very disease resistant.  Remove spent blooms to encourage re-bloom.  Prune lightly until this rose gets established (about two years), then prune it back by about a third..  Remove unproductive wood every third year or so.   
Patents: Patent status unknown (to HelpMeFind). 
Notes: Parentage given by breeder states Seedling of Rosa rugosa 'Alba'. Some difference of opinion about Parentage among modern authors, see References  for more information. Sets only a few hips.The Swedish Rose Society  recommends Blanc Double de Coubert  for northern Sweden. |