'Blumenstrauss' was the German movement of six formations from areas in Pomerania, Hamburg, Soltau, Magdeburg, Halle-Leipzig and Giessen to the frontier regions with Belgium and the Netherlands in preparation for 'Gelb' (11/15 October 1939).

The formations involved were Generalleutnant Friedrich Olbricht’s 24^th Division, Generalleutnant Eccard Freiherr von Gablenz’s 32^nd Division, Generalleutnant Hans Wolfgang Reinhard’s 35^th Division, Generalleutnant Paul Bader’s 3^rd Division (mot.), Generalleutnant Mauritz von Wiktorin’s 20^th Division (mot.) and Generalleutnant Ferdinand Schaal’s 10^th Panzerdivision.