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'R. rugosa rubra' rose Reviews & Comments
Discussion id : 91-940
most recent 5 APR 16 HIDE POSTS
 
Initial post 5 APR 16 by Byrnes, Robert L.
This publication from the Montana State University Extension also indicates that R. rugosa rubra is hardy to zone 2. Could someone make the zone change? Thank you.

http://store.msuextension.org/publications/YardandGarden/MT199603AG.pdf
REPLY
Discussion id : 84-537
most recent 28 APR 15 HIDE POSTS
 
Initial post 28 APR 15 by Byrnes, Robert L.
The following online publication lists R. rugosa as hardy to zone 2.

http://public.wsu.edu/~lohr/wcl/shrubs/rosarug/rosarugosa.html
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