Hoyt Arboretum, Portland, Oregon, USA
Hoyt Arboretum, Portland, Oregon, USA
Hoyt Arboretum, Portland, Oregon, USA
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Found
H: 128 names
Halesia carolina
• Styracaceae • mountain silverbell, silverbell, Carolina silverbell
Halesia monticola (syn.)
• Styracaceae • mountain silverbell, silverbell, Carolina silverbell
Halesia tetraptera
• Styracaceae • Carolina silverbell
Hamamelis × intermedia 'Allgold'
• Hamamelidaceae
Hamamelis × intermedia 'Amanon'
• Hamamelidaceae
Hamamelis × intermedia 'Angelly'
• Hamamelidaceae
Hamamelis × intermedia 'Aphrodite'
• Hamamelidaceae
Hamamelis × intermedia 'Arnold Promise'
• Hamamelidaceae
Hamamelis × intermedia 'August Lampkin' (syn.)
• Hamamelidaceae
Hamamelis × intermedia 'Basma'
• Hamamelidaceae
Hamamelis × intermedia 'Brandis'
• Hamamelidaceae
Hamamelis × intermedia 'Chantal'
• Hamamelidaceae
Hamamelis × intermedia 'Cyrille'
• Hamamelidaceae
Hamamelis × intermedia 'De Belder'
• Hamamelidaceae
Hamamelis × intermedia 'Diane'
• Hamamelidaceae
Hamamelis × intermedia 'Dishi'
• Hamamelidaceae
Hamamelis × intermedia 'Feuerzauber'
• Hamamelidaceae
Hamamelis × intermedia 'Fire Charm'
• Hamamelidaceae
Hamamelis × intermedia 'Frederic'
• Hamamelidaceae
Hamamelis × intermedia 'Gimborn's Perfume'
• Hamamelidaceae
Hamamelis × intermedia 'Gingerbread'
• Hamamelidaceae
Hamamelis × intermedia 'Glowing Embers'
• Hamamelidaceae
Hamamelis × intermedia 'Heinrich Bruns'
• Hamamelidaceae
Hamamelis × intermedia 'Hiltingbury'
• Hamamelidaceae
Hamamelis × intermedia 'Jelena'
• Hamamelidaceae
Hamamelis × intermedia 'John'
• Hamamelidaceae
Hamamelis × intermedia 'Luna'
• Hamamelidaceae
Hamamelis × intermedia 'Moonlight'
• Hamamelidaceae
Hamamelis × intermedia 'Orange Beauty'
• Hamamelidaceae
Hamamelis × intermedia 'Parasol'
• Hamamelidaceae
Hamamelis × intermedia 'Primavera'
• Hamamelidaceae
Hamamelis × intermedia 'Rochester'
• Hamamelidaceae
Hamamelis × intermedia 'Rubin'
• Hamamelidaceae
Hamamelis × intermedia 'Ruby Glow'
• Hamamelidaceae
Hamamelis × intermedia 'Spanish Spider'
• Hamamelidaceae
Hamamelis × intermedia 'Strawberries and Cream'
• Hamamelidaceae
Hamamelis × intermedia 'Sunburst'
• Hamamelidaceae
Hamamelis × intermedia 'Winter Beauty'
• Hamamelidaceae
Hamamelis 'Danny'
• Hamamelidaceae
Hamamelis japonica 'Arborea'
• Hamamelidaceae
Hamamelis japonica 'Pendula'
• Hamamelidaceae
Hamamelis japonica var. flavopurpurascens
• Hamamelidaceae
Hamamelis japonica 'Zuccariniana'
• Hamamelidaceae
Hamamelis mexicana (syn.)
• Hamamelidaceae • Mexican witch-hazel, Mexican witch hazel, Mexican witchhazel
Hamamelis mollis 'Boskoop'
• Hamamelidaceae
Hamamelis mollis 'Brevipetala'
• Hamamelidaceae
Hamamelis mollis 'Coombe Wood'
• Hamamelidaceae
Hamamelis mollis 'Early Bright'
• Hamamelidaceae
Hamamelis mollis 'Goldcrest'
• Hamamelidaceae
Hamamelis mollis 'Pallida'
• Hamamelidaceae
Hamamelis mollis 'Superba'
• Hamamelidaceae
Hamamelis mollis 'Westerstede'
• Hamamelidaceae
Hamamelis mollis 'Wisely Supreme'
• Hamamelidaceae
Hamamelis ovalis
• Hamamelidaceae
Hamamelis sp
• Hamamelidaceae
Hamamelis vernalis 'Amethyst'
• Hamamelidaceae
Hamamelis vernalis 'Blue Moon'
• Hamamelidaceae
Hamamelis vernalis 'Christmas Cheer'
• Hamamelidaceae • Ozark witch hazel
Hamamelis vernalis 'Lombarts Weeping'
• Hamamelidaceae
Hamamelis vernalis 'Orange Sunrise'
• Hamamelidaceae
Hamamelis vernalis 'Purpurea'
• Hamamelidaceae
Hamamelis vernalis 'Quasimodo'
• Hamamelidaceae • Ozark witchhazel
Hamamelis vernalis 'Sandra'
• Hamamelidaceae • Ozark witchhazel
Hamamelis virginiana 'Harvest Moon'
• Hamamelidaceae • common witch-hazel, witch hazel, witchhazel
Hamamelis virginiana var. mexicana
• Hamamelidaceae • Mexican witch-hazel, Mexican witch hazel, Mexican witchhazel
Hebe gracillima
• Scrophulariaceae
Hebe 'Great Orme'
• Scrophulariaceae
Hebe 'Greensleeves'
• Scrophulariaceae
Hebe 'Hinerua'
• Scrophulariaceae
Hebe 'Karo Golden Esk'
• Scrophulariaceae
Hebe 'Marie Antoinette'
• Scrophulariaceae
Hebe rupicola
• Scrophulariaceae
Hedera colchica
• Araliaceae • Persian ivy
Hedera helix
• Araliaceae • English ivy
Hedera hibernica
• Araliaceae • Irish ivy
Helenium autumnale
• Asteraceae • sneezeweed
Helleborus foetidus
• Ranunculaceae • stinking hellibore
Helleborus niger
• Ranunculaceae • Christmas rose
Helleborus niger 'Jacob'
• Ranunculaceae • Gold Collection Hellebore
Helleborus orientalis
• Ranunculaceae • Lenten rose
Helwingia chinensis
• Helwingiaceae • helwingia
Heptacodium miconioides
• Caprifoliaceae • seven-son flower
Heracleum maximum
• Apiaceae
Hesperantha coccinea 'November Cheer'
• Iridaceae
Hesperantha coccinea 'Torero'
• Iridaceae
Hesperocyparis abramsiana
• Cupressaceae • Santa Cruz Cypress
Hesperocyparis bakeri
• Cupressaceae • Modoc Cypress
Hesperocyparis glabra
• Cupressaceae • Smooth Arizona Cypress
Hesperocyparis goveniana
• Cupressaceae • Gowen Cypress
Hesperocyparis nevadensis
• Cupressaceae
Hesperocyparis pigmaea
• Cupressaceae • Mendocino Cypress
Hesperocyparis sargentii
• Cupressaceae • Sargent Cypress
Heteromeles arbutifolia
• Rosaceae • Christmas berry, toyon
Heuchera chlorantha
• Saxifragaceae • tall alumroot
Hibanobambusa tranqillans 'Shiroshima'
• Poaceae
Hibiscus syriacus
• Malvaceae • shrub althea, althea, Rose of Sharon
Hieracium aurantiacum
• Asteraceae • orange hawkweed
Hieracium lachenalii
• Asteraceae • common hawkweed
Hieracium murorum
• Asteraceae • wall hawkweed
Hieracium umbellatum
• Asteraceae • narrowleaf hawkweed, Canadian hawkweed, smooth hawkweed, Kalm's hawkweed, narrow-leaf hawkweed
Hippuris vulgaris
• Plantaginaceae • http://www.itis.gov/
Hoheria angustifolia 'Borde Hill'
• Malvaceae
Holcus lanatus
• Poaceae • common velvetgrass, velvetgrass, Yorkshire fog
Holodiscus discolor
• Rosaceae • Ocean Spray, hillside oceanspray, creambush oceanspray, creambush
Hordeum brachyantherum
• Poaceae
Hordeum jubatum subsp. jubatum
• Poaceae
Hordeum marinum subsp. gussoneanum
• Poaceae
Hordeum murinum subsp. glaucum
• Poaceae • smooth barley
Hosta 'Halcyon'
• Asparagaceae
Hovenia dulcis
• Rhamnaceae • Japanese Raisin Tree
Hovenia tomentella
• Rhamnaceae
Huodendron tibeticum
• Styracaceae
Hyacinthoides × massartiana
• Asparagaceae
Hydrangea anomala ssp petiolaris
• Hydrangeaceae
Hydrangea anomala subsp. anomala
• Hydrangeaceae • climbing hydrangea
Hydrangea aspera
• Hydrangeaceae
Hydrangea aspera 'Rocklon'
• Hydrangeaceae
Hydrangea aspera subsp. kawakami
• Hydrangeaceae
Hydrangea heteromalla
• Hydrangeaceae
Hydrangea paniculata
• Hydrangeaceae
Hydrangea seemannii
• Hydrangeaceae
Hydrangea serratifolia
• Hydrangeaceae
Hydrangea sp.
• Hydrangeaceae
Hydrangea xanthoneura
• Hydrangeaceae
Hydrocotyle ranunculoides
• Araliaceae • floating pennyroyal, floating marsh pennywort, floating marshpennywort
Hydrophyllum tenuipes
• Hydrophyllaceae • Pacific waterleaf
Hypericum androsaemum
• Clusiaceae • tutsan, sweet-amber, St. Johnswort
Hypericum calycinum
• Clusiaceae • Aaron's beard, St. Johnswort