'Blanc Double de Coubert' rose Description
Photo courtesy of Michael Dosey
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White, near white or white blend Hybrid Rugosa.
Registration name: Blanc Double de Coubert
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 of 4' to 7' (120 to 215 cm). Width of 4' to 7' (120 to 215 cm).
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.
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.