The Greater Pittsburgh Dahlia Society will host a show next weekend at Trax Farms, 528 Trax Road, Finleyville.
The show is open to the public from 2 to 8 p.m next Saturday and from 10 a.m. to 4 p.m. Sept. 15.
Club members will be on hand to answer cultural questions.
The Pittsburgh Rose Society will hold its annual Rose Festival from 1:30 to 5 p.m. next Saturday at the Drew Mathieson Horticultural Center on the campus of Bidwell Training Center, 1600 Metropolitan St., North Side.
Admission is free.
Rose bushes will be available for purchase. Entries are open to nonmembers.
For more information on entering or on the show visit www.pghrosesociety.org.garden