Blooms in May / June. While described as a shrub and non-climber, the plant in Sangerhausen is definitely a rambler.

= in Sangerhauser are wrong, they made a mistake (oh, again).
true ´Red Robin´ by Lens is a shrub with red wood and very small flowers,
all 3 pictures here on HMF from Hortus are wrong rose, also all 4 pictures from RainArths