Calliope Large are vigorous growing interspecific (ivy/zonal gross) plants that have characteristics of zonals, but with broader habits and richer colors. Because of their vigorous nature, they are highly recommended for larger pots, baskets and combo plantings. Early Florel sprays are key to making well-branched, quality plants. Monitor the media and try to keep the pH around 6.0 for best growth. Low-rate Bonzi drenches can be used mid-late season to keep growth in check.