The Royals announced that Heart to Heart will collect cash and hygiene kits at Lot M at the stadium from 9:30 a.m. to 8:30 p.m. on Thursday and Friday.
For a description of hygiene kits, go to hearttoheart.org.
During the Royals' series against the Angels next Monday, Tuesday and Wednesday at Kauffman Stadium, Red Cross volunteers will accept cash donations from fans.
The Royals also will announce this week a plan for a portion of ticket sales to go toward tornado relief.
Prior to Tuesday night's game, fans at Camden Yards observed a moment of silence in memory of the Joplin tornado victims.