H

Genus/species/cultivar
Halesia carolina
Halesia diptera
Halesia diptera Magniflora Group
Hamamelis japonica
Hamamelis japonica ‘Zuccariniana ‘
Hamamelis mollis
Hamamelis vernalis
Hamamelis vernalis ‘Lombarts’ weeping’
Hamamelis vernalis ‘Sandra’
Hamamelis virginiana
Hamamelis x intermedia ‘Allgold’
Hamamelis x intermedia ‘Aphrodite’
Hamamelis x intermedia ‘Arnold Promise’
Hamamelis x intermedia ‘Barmstedt Gold’
Hamamelis x intermedia ‘Diane’
Hamamelis x intermedia ‘Hiltingbury’
Hamamelis x intermedia ‘Jelena’
Hamamelis x intermedia ‘Livia’
Hamamelis x intermedia ‘Nina ‘
Hamamelis x intermedia ‘Orange Beauty’
Hamamelis x intermedia ‘Orange Peel’
Hamamelis x intermedia ‘Pallida’
Hamamelis x intermedia ‘Ripe Corn’
Hamamelis x intermedia ‘Rubin’
Hamamelis x intermedia ‘Ruby Glow’
Hamamelis x intermedia ‘Sunburst’
Hebe ‘Kirkii’
Hebe ‘Red Edge’
Hebe rakaiensis
Hebe salicifolia
Hebe topiaria
Hibiscus syriacus
Hibiscus syriacus ‘Admiral Dewey’
Hibiscus syriacus ‘Hamabo’
Hibiscus syriacus ‘Lady Stanley’
Hibiscus syriacus ‘Oiseau Bleu’
Hippophae rhamnoides subsp. yunnanensis
Hippophae salicifolia
Holodiscus discolor
Hydrangea ‘Blue Deckle’
Hydrangea ‘Preziosa’
Hydrangea anomala subsp. anomala ‘Winter Glow’
Hydrangea anomala subsp. glabra
Hydrangea arborescens ‘Annabele’
Hydrangea arborescens ‘Annabelle’
Hydrangea arborescens ‘Hayes Starburst’
Hydrangea arborescens ‘Invincibelle Spirit’
Hydrangea aspera ‘Anthony Bullivant’
Hydrangea aspera ‘August Abundance’
Hydrangea aspera ‘Mauvette’
Hydrangea aspera ‘Peter Chappell’
Hydrangea aspera ‘Taiwan Pink’
Hydrangea aspera subsp. robusta
Hydrangea aspera subsp. sargentiana
Hydrangea heteromalla
Hydrangea heteromalla ‘Morrey’s Form’
Hydrangea heteromalla ‘Nepal Beauty’
Hydrangea heteromalla ‘Snowcap’
Hydrangea heteromalla Bretschneideri Group
Hydrangea heteromalla f. xanthoneura
Hydrangea involucrata ‘Hortensis’
Hydrangea macrophylla ‘All Summer Beauty’
Hydrangea macrophylla ‘Ave Maria’
Hydrangea macrophylla ‘Ayesha’
Hydrangea macrophylla ‘Blue Billow’
Hydrangea macrophylla ‘Blue Bonnet’
Hydrangea macrophylla ‘Buchfink’
Hydrangea macrophylla ‘Chaperon Rouge’
Hydrangea macrophylla ‘Endless Summer’
Hydrangea macrophylla ‘Etoile Violette’
Hydrangea macrophylla ‘Forever Pink’
Hydrangea macrophylla ‘Frau Fujiyo’
Hydrangea macrophylla ‘Frau Taiko’
Hydrangea macrophylla ‘Frillibet’
Hydrangea macrophylla ‘GÌ©nÌ©rale Vicomtesse de Vibraye’
Hydrangea macrophylla ‘Grant’s Choice’
Hydrangea macrophylla ‘Harry’s Pink Topper’
Hydrangea macrophylla ‘Harry’s Red’
Hydrangea macrophylla ‘Hatsu-shime’
Hydrangea macrophylla ‘Hobella’
Hydrangea macrophylla ‘Holehird Purple’
Hydrangea macrophylla ‘Holstein’
Hydrangea macrophylla ‘Izu-no-hana’
Hydrangea macrophylla ‘Jogasaki’
Hydrangea macrophylla ‘Joseph Banks’
Hydrangea macrophylla ‘Klaveren’
Hydrangea macrophylla ‘Lanarth White’
Hydrangea macrophylla ‘Lemmenhof’
Hydrangea macrophylla ‘Madame A. Riverain’
Hydrangea macrophylla ‘Mariesii’
Hydrangea macrophylla ‘Mathilde Gutges’
Hydrangea macrophylla ‘Merveille Sanguine’
Hydrangea macrophylla ‘Miss Belgium’
Hydrangea macrophylla ‘Mousseline’
Hydrangea macrophylla ‘Nachtigall’
Hydrangea macrophylla ‘Niedersachsen’
Hydrangea macrophylla ‘Nigra’
Hydrangea macrophylla ‘Pfau’
Hydrangea macrophylla ‘Plau’
Hydrangea macrophylla ‘Rotkehlchen’
Hydrangea macrophylla ‘Sandra’
Hydrangea macrophylla ‘Taube’
Hydrangea macrophylla ‘Veitchii’
Hydrangea paniculata ‘Big Ben’
Hydrangea paniculata ‘Brussels Lace ‘
Hydrangea paniculata ‘Burgundy Lace’
Hydrangea paniculata ‘Dart’s Little Dot’
Hydrangea paniculata ‘Everest’
Hydrangea paniculata ‘Great Escape’
Hydrangea paniculata ‘Greenspire ‘
Hydrangea paniculata ‘Greenspire’
Hydrangea paniculata ‘Kyushu’
Hydrangea paniculata ‘Limelight’
Hydrangea paniculata ‘Melody’
Hydrangea paniculata ‘Pee Wee’
Hydrangea paniculata ‘Pink Jewel’
Hydrangea paniculata ‘Preziosa’
Hydrangea paniculata ‘Ruby’
Hydrangea paniculata ‘Tardiva’
Hydrangea paniculata ‘Tender Rose’
Hydrangea paniculata ‘Unique’
Hydrangea paniculata ‘White Goliath’
Hydrangea paniculata ‘White Moth ‘
Hydrangea quercifolia
Hydrangea quercifolia ‘Tennessee Clone’
Hydrangea serrata ‘Aigaku’
Hydrangea serrata ‘Beni-gaku’
Hydrangea serrata ‘Grayswood’
Hydrangea serrata ‘Intermedia’
Hydrangea serrata ‘Kiyosumi’
Hydrangea serrata ‘Maiko’
Hydrangea serrata ‘Miyama-yae-murasaki’
Hydrangea serrata ‘Prolifera’
Hydrangea serrata ‘Ramis Pictis’
Hydrangea serrata ‘Shojo’
Hydrangea sikokiana
Hypericum androsaemum ‘Red Glory’
Hypericum cf. henryi
Hypericum choisianum
Hypericum foliosum
Hypericum forrestii
Hypericum kouytchense
Hypericum montbretii
Hypericum patulum
Hypericum pseudohenryi
Hypericum sp.
Hypericum x hidcoteense ‘Hidcote’
Hypericum x inodorum
Hypericum xylosteifolium