Average disease severity rating of annual and herbaceous perennial ornamental plants challenged by four species of Phytophthora in three landscape beds in North Carolina. Rating scale as follows: 0 = excellent floral quality, and (or) no symptoms of disease caused by Phytophthora spp., 0% of foliage affected; 1 = good floral quality, slight to moderate wilting, less than 25% of foliage affected; 2 = fair floral quality, moderate to severe wilting, or ∼50% of foliage affected; and 3 = poor floral quality, severe wilting or plant dead, or greater than 50% of foliage affected. Severity is indicated by shade of gray for each cultivar at each location. The average rating of four replicate plants recorded at three time points throughout the 2020 growing season: W4= 14 July, W8= 11 August, W12= 11 September. The asterisk (*) next to cultivar name indicates that plant was a perennial left to overwinter in each landscape bed between the growing seasons of 2019 and 2020.