My Polish grammar is not particularly good, so I'll stick with English for now.
...no mowing May sounds interesting. I didn't know that something like this exists. I visit Krakow once a year, and I haven't noticed anything like that so far.
But a good idea, to give nature a short break and let it rest for a month 👍
Okay :)
I am not sure if it was the first time this year, but it was for the month May
https://www.theguardian.com/environment/2023/apr/28/no-mow-may-uk-gardeners-urged-to-let-wildflowers-and-grass-grow
I bet all the insects were super happy with all the plants and flowers around.