Garden Club celebrates milestones and creates new ones Gardeners gear up for Aug. 22 Tomato Festival This year, the Rossmoor Garden Club has milestones to celebrate as it gears up for its signature event and major fundraiser, the Tomato Festival. It’s celebrating its 50th year as a club and 40 years at its five-acre gardening site, not far outside the Rossmoor gate off Tice Valley Boulevard.