Home > Our Offices > Research Stations > Burden > News > Horticulture Hints Newsletter [Image: Horticulture Hints] A quarterly newsletter from the Horticulture Division of the LSU AgCenter's School of Plant, Environmental and Soil Sciences. Top Performing Petunias, Violas, Pansies Named In Cool-Season Trials [Image: Rocky Skyscape] The LSU AgCenter has named the top performing petunias, violas and pansies in its evaluation of 200 cool-season cultivars tested between September, 2006 and May, 2007 at the Burden Center in Baton Rouge.