'Frau Dr. Erreth' rose Reviews & Comments
most recent 27 JUN 19 -
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American Rose Annual 26: 111-115. (1941)
The Search for Total Hardiness
Georges Bugnet
...Frau Dr. Erreth, a thornless double yellow Polyantha,
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most recent 30 MAY 14 -
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The 1954 and 1960 references for the seed parent, 'Gruss an Aachen' say:
"No hips, Triploid..... 21 chromosomes".
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