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White, near white or white blend Large-Flowered Climber.
Registration name: Ross Rambler

Discovered by Norman M. Ross (Canada, 1918).
Introduced in Canada by Percy H. Wright in 1938 as 'Ross Rambler'.

Unknown, Found Rose.  

White.  5 petals.  Average diameter 1.5".  Small to medium, single (4-8 petals) bloom form.  Occasional repeat later in the season.  

Tall, climbing.  

Height: up to 20' (up to 610cm).  

USDA zone 2a and warmer.  Very hardy.  very vigorous.  produces decorative hips.  

Diploid

Found at Indian Head Saskatchewan Forestry Station in 1918 by Norman Ross and W. T. Macoun, and named for Norman Ross, then Superintendent of that station. Chromosome count courtesy of Dr. David Zlesak. Suggestions as to parentage or identity range from R. beggeriana to R. laxa, Retzius. See References and Reviews and Comments.

A specimen collected near the Indian Head Forestry Station (PFRA) in July 2009 is also diploid (root tip squash by David Zlesak).

The Ross Rambler growing in the Morden Research Station Grounds was given the accession number 1114-73. Source: Henry Marshall notes.