Aimee Bachmann, owner and designer, holds larkspur at Windy City Flower Girls Thursday, Jan. 10, 2013, at 5419 W. 95th St. in Oak Lawn. Local wedding businesses may prosper from passage of the gay marriage law. | Matthew Grotto~Sun-Times Media

Aimee Bachmann, owner and designer, holds larkspur at Windy City Flower Girls Thursday, Jan. 10, 2013, at 5419 W. 95th St. in Oak Lawn. Local wedding businesses may prosper from passage of the gay marriage law. | Matthew Grotto~Sun-Times Media

Beth Fahey (left) and Becky Palermo (right), co-owners of Creative Cakes, stand near examples of wedding cakes Wednesday, Jan. 16, 2013, at 16649 Oak Park Ave. in Tinley Park. | Matthew Grotto~Sun-Times Media

Jim Hickey (left) and David Blatzheim recently won a raffle for a free wedding cake from Creative Cakes in Tinley Park. The guys are planning an October civil union ceremony and reception at the Chateau Bu-Sche in Alsip. | Donna Vickroy~Sun-Times Media

Aimee Bachmann, owner and designer, works with roses at Windy City Flower Girls Thursday, Jan. 10, 2013, at 5419 W. 95th St. in Oak Lawn. Local wedding businesses may prosper from passage of the gay marriage law. | Matthew Grotto~Sun-Times Media

Aimee Bachmann, owner and designer, at Windy City Flower Girls Thursday, Jan. 10, 2013, at 5419 W. 95th St. in Oak Lawn. | Matthew Grotto~Sun-Times Media

Beth Fahey (left) and Becky Palermo (right), co-owners of Creative Cakes, stand near examples of wedding cakes Wednesday, Jan. 16, 2013, at 16649 Oak Park Ave. in Tinley Park. | Matthew Grotto~Sun-Times Media

A view of wedding cake examples at Creative Cakes Wednesday, Jan. 16, 2013, at 16649 Oak Park Ave. in Tinley Park. | Matthew Grotto~Sun-Times Media

A view of wedding cake examples at Creative Cakes Wednesday, Jan. 16, 2013, at 16649 Oak Park Ave. in Tinley Park. | Matthew Grotto~Sun-Times Media