The 35th annual Bonsai Show will be held at Phipps Garden Center in Shadyside (
map) on May 30 and 31. It's presented by the
Pittsburgh Bonsai Society and is free and open to the public from 10:00 am to 5:00 pm on Saturday the 4th, and from 10:00 am to 4:00 pm on the 5th.