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'Blanc Double de Coubert' rose Description
'Blanc Double de Coubert (Rugosa, Cochet-Cochet, 1892)' rose photo
Photo courtesy of Rosarium M.Kralka
Commercially available
HMF Ratings:
120 favorite votes.  
Average rating: EXCELLENT.  
White, near white or white blend Hybrid Rugosa.
Registration name: Blanc Double de Coubert (Rugosa, Cochet-Cochet, 1892)
Discovered by Charles Pierre Marie COCHET-COCHET (France, 1892).
Introduced in France by Charles Pierre Marie Cochet-Cochet in 1893 as 'Blanc Double de Coubert'.
Introduced in Australia by George Brunning - St. Kilda Nurseries in 1897 as 'Blanc Double de Coubert'.
Hybrid Rugosa, Shrub.  
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.  
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).
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.  
Patent status unknown (to HelpMeFind).
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.

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