Last year I got a little wasp problem when wasps decided that my balcony's wooden ceiling would be a perfect spot for a nest. The nest apparently was never finished and I found large pieces of it on the floor but I still contacted maintenance to ask what to do.
The maintenance came to visit and didn't find any nest, so that's good. I was told that I should put a crocheted fake wasp nest on my balcony, near the spot wasps favor, because they refuse to built a nest on someone else's territory. Better yet, fill the nest with newspaper because it smells like a wasp nest.
I found some handmade nests online and I'm going to give it a try! Many of the sellers said that they and their friends and family have been using the fake nests successfully for years in home, summer cottages, outdoor buildings etc.
Sharing this here because I didn't even know about such a solution! I hope it helps anyone who wants to keep unwanted wasps away from certain parts of their home and yard.
It's been almost 5 months now with these fake beehives. I was told that these won't work because bees navigate by scent, not by vision, but guys:
5 months and I have not seen a single bee or a wasp on my balcony!
Last year they tried to built a nest, same as a year before that. I've lived 10 years in this apartment and bees and wasps have always been an issue on my balcony, even when I have no flowers there.
So, even if science says that this doesn't work, it has worked for me. I had no need for an exterminator. It was that bad before these fake hives.
Big recommendations! Easy, won't harm nature, extremely bee and wasp friendly.
Since spring is here, I want to bring this one out again for friendly way to keep bees and wasps away from places where you don't want them to be.