Depending on where you are on the river the shad run can start anywhere from early April and end as late as June 30th. Go on the Morning Call Newspapers web they list the number of a Shad hotline beginning in March. The Hotline will give you a good idea where concentrations of fish are daily.
"I was born to fish" Lee Wulff
"There's more B.S. in fly fishing then there is in a Kansas feedlot." Lefty Kreh
" It ain't over till it's over." Yogi Berra
"Your not old,you've simply acquired a patina." Swirlchaser