'Hunter' Possum Haw Holly 'Huntington Carpet' Rosemary
'Huntsman' Large Fothergilla Huon Pine
Hurricane Palm 'Hurricane Point' Carmel Creeper
Hybrid Crack Willow 'Basfordiana' Hybrid Elm 'Dodoens'
Hybrid Elm 'Frontier' Hybrid Elm 'Homestead'
Hybrid Elm 'Pioneer' Hybrid Elm 'Regal'
Hybrid Elm 'Sapporo Autumn Gold' Hybrid Elm 'Triumph™'
Hybrid Elm 'Urban' Hybrid Honeysuckle 'Blanche Sandman'
Hybrid Honeysuckle 'Honey Baby' Hybrid Hydrangea (spp.)
Hybrid Hydrangea 'Barbara' Hybrid Hydrangea 'Bobo®'
Hybrid Hydrangea 'Burgundy Lace' Hybrid Hydrangea 'Fire Light®'
Hybrid Hydrangea 'Grandiflora' Hybrid Hydrangea 'Green Spire'
Hybrid Hydrangea 'Kyushu' Hybrid Hydrangea 'Limelight'
Hybrid Hydrangea 'Little Lime®' Hybrid Hydrangea 'P.G. Pee Wee'
Hybrid Hydrangea 'Pee Wee' Hybrid Hydrangea 'Praecox'
Hybrid Hydrangea 'Quick Fire®' Hybrid Hydrangea 'Saw Tooth'
Hybrid Hydrangea 'Tardiva' Hybrid Hydrangea 'The Swan'
Hybrid Hydrangea 'Unique' Hybrid Hydrangea 'White Lace'
Hybrid Hydrangea 'White Moth' Hybrid Hydrangea: hybrid 'Aka Banayama'
Hybrid Hydrangea: hybrid 'Iroshidori' Hybrid Hydrangea: hybrid 'Sandra'
Hybrid Hydrangea: hybrid 'Shinonomei' Hybrid Hydrangea: hybrid 'Shirobanayama'
Hybrid Hydrangea: hybrid 'Snowhill' Hybrid Hydrangea: hybrid 'Tapin Benikaku'
Hybrid Hydrangea: hybrid 'Zhuni' Hybrid Linden 'Crimean'
Hybrid Plane (spp.) Hybrid Plane 'Bloodgood'
Hybrid Plane 'Columbia' Hybrid Plane 'Liberty'
Hybrid Rock Rose (spp.) Hybrid Rock Rose 'Grayswood Pink'
Hybrid Viburnum 'Chesapeake'