What's in Bloom: May Image Breadcrumb Home Gardens & Trees What's in Bloom What's in Bloom: May May at the Morris Image Japanese styrax Styrax japonicaNear Seven Arches This small tree produces fragrant blooms in late May. Image Florida azalea Rhododendron austrinumEnglish Park In early May the native azaleas burst with color all around the Morris. Image American columbine Aquilegia canadensisWidener Welcome Center This popular woodland plant attracts hummingbirds in spring. Image common pawpaw Asimina trilobaSculpture Garden This native plant has large edible fruit and is said to be deer resistant. Image giant allium Allium giganteumPennock Garden A perennial that adds height and color to the beds in May. Image Souvenir de la Malmaison rose Rosa ‘Souvenir de la Malmaison’Rose Garden An antique bourbon rose that is one of many fragrant blooms in the rose garden.