Rose photo courtesy of CybeRose

Hortic Res. 8: 26 (2021) KSN heterozygosity is associated with continuous flowering of Rosa rugosa Purple branch Mengjuan Bai et al. Images of R. rugosa Plena, R. rugosa Purple branch and R. davurica. R. rugosa Plena and R. davurica are OF species blooming from April to May. R. rugosa Purple branch is a continuously flowering variety that flowers from April to October. The flowering time is represented by the gray boxes

Uploaded 13 FEB 23

Comment / Question photo courtesy of CybeRose

Sept 28, 2008 San Jose Heritage Rose Garden Standeford Plot Moss

Uploaded 26 NOV 21

Comment / Question photo courtesy of CybeRose

San Jose Heritage 13 Oct 2007

Uploaded 23 SEP 22

Comment / Question photo courtesy of CybeRose

C5-2008 100x 2009-05-15_0002_10X.jpg Its pollen is about the right size for tetraploid, but it has a lot of non-viable grains (see shriveled grains in the attached).

Uploaded 30 AUG 21