This has always been a pet hate of mine - trying to find avocados in Switezrland that don't follow this below little timetable. Luckily, I posted this on my Facebook page and my friend Andrea came to the rescue and said that I should try the one's from Aldi.
And so I put it to the test and here is the proof!
Avo from Coop
Avo from Aldi (and cheaper too!)