Congratulations also from Germany to your first banana bloom!
Hope that your orinoco bananas will ripen enough before the first frosts.
Did you overwinter your orinocos outdoors with winterprotection? Or without winterprotection?
I also tried overwinter one orinoco like Musa basjoo with winterprotection outdoors, but it didn't survive unfortunately, the ground in Germany does freeze deeply for weeks in winters, this is the main problem! But one German lady in Cologne had success with overwintering one fruit banana from Greece with heated winterprotection (heating cables with thermostat switch). See more about that under
http://www.tempelbluete.de , but the site is only in German language, but I think, some of you speak also German. She also harvested own bananas in her garden in Cologne!
But one friend, one resarcher and genetic engineer, will cross Dwarf Orinoco with Musa basjoo by DNA fusion. Perhaps this cross will be much hardier and also bear edible fruits.
With the best
Joachim