Rodger Tschanz talks about managing the trial gardens at the University of Guelph, Landscape Ontario and the Royal Botanical Gardens, including standouts from this year’s gardens: Bee’s Knees Petunia, Precosia Zinnias, Lancelot Salvia, Brainiac Celosia and Serendipity Ornamental Onion. See more exciting new plants in Landscape Trades Magazine.
