If you don't have a car there is a pitch and put in Bachgraben where you can get a lesson and play without a handicap so a good place to start. http://www.citygolf.ch/.

Also without a car you can get a lesson and practice here:
http://www.golffactory.ch/driving_range.htm


They have English speaking Golf Pro's at the course in Bad Bellingen just over the border in Germany. You need a car for this one.
http://www.drei-thermen-golfresort.de/D/Pros.html

Good Luck!