Book  (1922)  Page(s) 48-49.  
 
...the new F. J. Grootendorst is a notable sort, a hundred times more satisfactory to use than its awkward Holland name is to say! It is a continuous bloomer of flowers that look like red carnations, but, as with all the continuous blooming roses, there is no great burst of bloom at one time.

Book  (1920)  Page(s) 134-135.  
 
F. J. Grootendorst, H. Rug. (F.J. Grootendorst & Sons, 1918; disseminated in U.S. by A. N. Pierson, Inc., 1920.) Rosa rugosa rubra X Baby rambler. Type, Rugosa foliage, Polyantha flowers. Bud small, ovoid; flower small, open, double, borne in clusters on average-length stems; very lasting; slight fragrance. Color bright red; edges of petals serrated like a carnation. Foliage sufficient, small, leathery, wrinled, dark green; disease resistant. Vigorous grower of bushy habit, bearing a profusion of bloom from June to October. Very hardy. First-Class Certificate, Boskoop, 1912.