Hackberry, Common - Celtis occidentalis - also Sugarberry
Hawthorn, Arnold - Crataegus arnoldiana 
Hawthorn, Fleshy - Crataegus succulenta
Hawthorn, Morden - Crataegus x mordenensis
Hawthorn, Round-leaved - Crataegus chrysocarpa
Hazel, American - Corylus americana
Hazel, Beaked - Corylus cornuta (syn. Corylus rostrata)
Honeylocust - Gleditsia triacanthos var. inermis cv Prairie Silk
Honeysuckle, Amur - Lonicera maackii
Honeysuckle, Dwarf European Fly - Lonicera xylosteum cv Nana
Honeysuckle, Edible Sweetberry - Lonicera caerulea var. edulis
Honeysuckle, Scarlet Trumpet - Lonicera x brownii cv Scarlet Trumpet 
Honeysuckle, Tatarian - Lonicera tatarica
Honeysuckle, Vienna - Lonicera x xylosteoides
Hophornbeam, American - Ostrya virginiana - also Ironwood
Horsechestnut - Aesculus hippocastanum
Hydrangea, Hills of Snow - Hydrangea arborescens var. grandiflora
Hydrangea, Peegee - Hydrangea paniculata cv Grandiflora
Ironwood - Ostrya virginiana - also American Hophornbeam 
Juniper, Common - Juniperus communis
Juniper, Creeping - Juniperus horizontalis
Juniper, Pfitzer - Juniperus x media
Juniper, Rocky Mountain - Juniperus scopulorum
Juniper, Savin - Juniperus sabina


