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    'R. maximowicziana' rose Reviews & Comments
    most recent 10 DEC 21  
    RoseRosa maximowicziana Regel
    Initial post 10 DEC 21 by Duchesse
    Diploid, per Zlesak 2009, Pollen diameter and guard cell length as predictors of ploidy in diverse rose cultivars, species, and breeding lines. Floriculture and Ornamental Biotechnology.
    most recent 31 JUL 17  
    RoseRosa maximowicziana Regel
    Initial post 3 OCT 15 by Jukka K
    My plant from Rosenposten is certainly not nearly thornless but very thorny. The thorns are small and quite soft and cover the branches like fur.
    Reply #1 posted 3 OCT 15 by Patricia Routley
    Photos show bristles and prickles. We've deleted Thornless.
    Reply #2 posted 31 JUL 17 by Jukka K
    Another piece of information: My plant (coming from the reputable RosenPosten nursery, Denmark) has been completely cane hardy in my garden in southern Finland. The winter 2014-15 that killed, for example, Polstjarnan to the ground did no damage to R. maximowichiana. So I think it should be listed as hardy to at least Z4b.
    Reply #3 posted 31 JUL 17 by Margit Schowalter
    Jukka

    Yes, I agree. It survives in zone three, Alberta, Canada.