They have made their own Verein and would love to see you out there to dig dirt (or sit by a fire). Check out their website for dates when they are out in the garden - both for work and for social events.
Sommerfest: 17 September 2020, 4 pm to 10 pm - register your contact details on their website to help with Covid-related tracking and tracing
Gardening days: 18 September 2020, 25 September 2020 and 26 September from 4pm to 6 pm. More in October
You will find more information on their website https://strebergaertli.ch/de