Modbury's Civic Park will be transformed into a Fringe playground on Saturday (16 March) for the Summer Garden Festival from 12.30 to 9.30pm.
Up to 10,000 people are expected to attend the community event, with free entertainment provided by 18 Adelaide Fringe performers, bands and artists.
About 30 Fork on the Road food trucks will be on site, while local and craft beers, wine and cocktails will be available from a pop-up bar.
The festival is being staged by the City of Tea Tree Gully as part of its Tea Tree Events series.