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'Snow Carpet ®' rose Description
'Snow Carpet ®' rose photo
Photo courtesy of Junie Burns
Availability:
Commercially available
HMF Ratings:
20 favorite votes.  
Average rating: EXCELLENT.  
ARS:
White, near white or white blend Miniature.
Registration name: MACcarpe
Exhibition name: Snow Carpet ®
Origin:
Bred by Samuel Darragh McGredy IV (1972).
Introduced in New Zealand by McGredy Roses International (New Zealand) in 1980 as 'Blanche Neige'.
Class:
Miniature.  
Bloom:
White or white blend.  Mild, tea fragrance.  41 to 55 petals.  Average diameter 0.75".  Small, full (26-40 petals), borne mostly solitary, cluster-flowered, in small clusters, high-centered to flat bloom form.  Occasional repeat later in the season.  Small, long sepals, pointed buds.  
Habit:
Short, armed with thorns / prickles, spreading, well-branched.  Small, glossy, dense foliage.  
Height of 6" to 10" (15 to 25 cm).  Width of 18" to 4' (45 to 120 cm).
Growing:
USDA zone 5b through 9b.  Can be used for container rose, garden, ground cover, hanging basket or rock garden.  Hardy.  vigorous.  Disease susceptibility: very disease resistant.  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:
Snow Carpet - Maccarpe. Nicknamed Carpet
Patents:
New Zealand - Patent No: PP104  on  1 Oct 1990
Application No: ROS065  on  8 Nov 1978
PVR Terminated November 24, 1981.
 
United States - Patent No: PP 4,612  on  6 Jan 1981   VIEW USPTO PATENT
Application No: US1979000047939  on  12 Jun 1979
Inventor: Samuel D. McGredy, Auckland, New Zealand. A new white miniature rose with pointed buds of petite size. The plant is low-growing but is spreading. Impractical as a cut flower. Winter hardy.
Notes:
Heirloom Old Garden Roses says Snow Carpet grows only 6 inches tall and has fully double, white blooms that almost cover the plant...
Michael's Premier Roses says Snow Carpet is a hugely vigorous groundcover that can bury a half wine barrel in a tight dense carpet that nothing else grows through...