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'Arnold' rose References
Book  (Apr 1993)  Page(s) 29.  
 
Arnold Hybrid Rugosa, scarlet, single, 1893, ('Arnoldiana'); R. rugosa x 'Général Jacqueminot'; Dawson. Description.
Book  (Aug 1990)  Page(s) 52.  
 
'Arnold', one of the first hybrid rugosas developed, has single, deep red flowers.
Book  (1990)  Page(s) 27.  Includes photo(s).
 
Arnoldiana Species (the 'Arnold Rose') 1914... parentage: R. borboniana x R. rugosa... crimson-purple...
Book  (1940)  Page(s) 12.  
 
Arnold Hybrid Rugosa. (Dawson; introduced by Eastern Nursery 1893)... scarlet...
Book  (1936)  Page(s) 36.  
 
Arnold (hybrid rugosa) Dawson 1914; R. rug. X G. Jacqueminot; glowing scarlet, large, single, floriferous, continuous bloom with interruptions, beautiful dark green foliage, growth 6/10. =D.'s Hybrid Rugosa.
Magazine  (24 Jun 1932)  Page(s) 32-3.  
 
Rosa rugosa and its hybrids.
...It would seem as though many of these Rugosa hybrids might be useful in producing new varieties of hardy roses. [...] For the convenience of those amateurs who are doing breeding work with roses, the pollen of the hybrids in the Arboretum's collection has been examined in the Cytological Laboratory.  In the following discussion the percentage of fertile pollen, as determined by microscopical examination, is reported for each hybrid where buds were available for study.
Arnoldiana (R. rugosa X R. borboniana "General Jacqueminot").
Pollen nearly all sterile.
This was another of the hybrids produced by Jackson Dawson.  The flowers are single and of a brilliant shade of crimson.  The bush is a very vigorous grower.
Website/Catalog  (1929)  Page(s) 64.  
 
Shrub Roses
Arnold. (Dawson, 1893.) Medium-sized single blooms of glowing scarlet-red. The plant is very strong, with foliage less wrinkled than the type.
A profusely flowering, very valuable shrub. Scant or no bloom late in the season but very handsome in May and June.
Magazine  (1922)  Page(s) 14.  
 
Rosa arnoldiana, Sargent in Bull. Pop. Inform. Arnold Arb. n. ser. v. 38 (1919) (R.rugosa x borboniana “Général Jacqueminot”). — Gersdorlf in Am. Rose Ann. 1919. 136. — Rosa “Arnold” in Am. Rose Ann. 1916, 125. — Rosa “Dawson's Hybrid ...
Magazine  (1921)  
 
Rosa arnoldiana Sargent (R. rugosa x borboniana "Général Jacqueminot")...syn. Dawson's Hybrid Rugosa...Shrub with stout upright stems...covered with slender prickles and bristles...the young stems sparingly pubescent...Leaves 5-7 foliolate...dark green and slightly rugose above, grayish...beneath and finely pubescent on the veins....petiole...pubescent and stipitate-glandular...stipules broad...Flowers bright amaranth-purple, semi-doubt about 6 cm. across in few-flowered corymbs; bracts large...receptacle subglobose or broadly pyriform, smooth...This hybrid was raised at the Arnold Arboretum by Jackson Dawson in 1914 by fertilizing R. rugosa with "Général Jacqueminot." It is a very striking Rose...deep red color...perfectly hardy at the Arnold Arboretum....Thus the name R. arnoldiana may stand as the binomial designation for the hybrids between R. rugosa and the "Hybrid Perpetuals."
Magazine  (1919)  Page(s) 38.  
 
Rose breeders are singularly reticent about the plants they have used in their work, and there appear to be no printed records of the parentage of any of the Rugosa hybrids with the exception of the two which have been created in this Arboretum.  
...The two Rugosa hybrids raised by Dawson at the Arboretum have proved to be good garden plants. [...] The Arnold Rose, R. Arnoldiana, was made by Dawson, by crossing R. rugosa with the hybrid Tea Rose, General Jacqueminot.  It is a stout bush with good foliage and large, bright red, single flowers, and when in bloom perhaps the showiest of the Roses in the Shrub Collection. 
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