'Frau Dr. Erreth' rose Reviews & Comments
-
-
American Rose Annual 26: 111-115. (1941) The Search for Total Hardiness Georges Bugnet
...Frau Dr. Erreth, a thornless double yellow Polyantha,
|
REPLY
|
-
-
The 1954 and 1960 references for the seed parent, 'Gruss an Aachen' say: "No hips, Triploid..... 21 chromosomes".
|
REPLY
|
|