COUNTY

Jennings Environmental Education Center, Route 528, Brady Township, will host a wildflower walk from 2 to 4 p.m. May 14 and “Nature Detectives: The Case of the Wiggly Worms” for families to become “nature detectives” from 2 to 4 p.m. May 21. Visit www.events.dcnr.pa.gov or call 724-794-6011.

REGION

McConnells Mill State Park, Slippery Rock Township, Lawrence County, off Route 422, will host a wildflower walk from 10 a.m. to 12:30 p.m. Saturday from Hell’s Hollow parking lot. Call 724 368-8811.

Spring star parties sponsored by the Amateur Astronomers Association of Pittsburgh are to begin, weather permitting, at about 8:20 p.m. Friday and Saturday at Wagman Observatory in Deer Lakes Regional Park near Russellton. Call 724-224-2510.