Ginkgo biloba 'Korinek'
Ginkgo biloba 'Luis'
Ginkgo biloba 'Magyar'
Ginkgo biloba 'Majestic Butterfly'
Ginkgo biloba 'Mariken'
Ginkgo biloba 'Mariken'
Ginkgo biloba 'Munchkin'
Ginkgo biloba 'Pine Glen Dwarf'
Ginkgo biloba 'Princeton Sentry'
Ginkgo biloba 'Robbie's Twist'
Ginkgo biloba 'Ross Moore'
Ginkgo biloba 'Saratoga'
Ginkgo biloba 'Slovenian Princess'
Ginkgo biloba 'Spring Grove'
Ginkgo biloba 'Thelma'
Ginkgo biloba 'Todd's Dwarf'
Ginkgo biloba 'Troll'
Ginkgo biloba 'Troll'
Ginkgo biloba 'Tubifolia'
Ginkgo biloba 'WB'
Ginkgo biloba 'Weeping Wonder'
Ginkgo biloba cultivar unknown
Graptoveria 'Fred Ives'
Graptoveria paraguayense 'Minor'
Grevillea 'Noellii'
Grevillea 'Peaches and Cream'
Grevillea juniperiana 
Grevillea nudiflora 'Medusa'
Grevillea nudiflora 'Medusa'
Grevillea nudiflora 'Medusa'
Grevillea victoriae 'Marshall's Seedling'
Gymnocalycium deeszianum
Hakea laurina
Hakea salicifolia 'Gold Medal'
Hardenbergia violacea "White Out'
Haworthia limifolia
Hebe 'Midsummer Beauty'
Hebe 'Western Hills'
Hechtia 'Tehuacan'
Hedera helix 'Erecta'
Hedera helix 'Golden Heart'
Helichrysum petiolare
Helleborus 'Optimism'
Helleborus 'WJ Golden Sunshine'
Helleborus argutifolia 'Variegata'
Helleborus argutifolius
Helleborus foetidus
Helleborus Royal Heritage Strain
Helleborus x 'Sternii'
Hepticodion miconioides
Hesperaloe funifera
Hesperaloe funifera ssp. Chiangi
Hesperaloe parviflora
Hesperaloe parviflora 'Desert Flamenco'
Hesperaloe parviflora 'Desert Flamenco'
Hesperaloe parviflora 'Desert Flamenco'
Hesperaloe parviflora 'Yellow Sun'
Homacladium platycladium
Hydrangea anomala subsp. petiolaris
Hydrangea arborescens 'Annabelle'
Hydrangea aspera 'Monpulsel' (Plum Passion)
Hydrangea quercifolia 'Munchkin'
Hydrangea quercifolia 'Pee Wee'
Hydrangea quercifolia 'Pee Wee'
Hydrangea quercifolia 'Snow Giant'
Hydrangea quercifolia 'Snow Giant'
Hymenosporum flavum
Hypericum forrestii
Hypericum Hypearl Compact Red
Hypericum inodorum 'Compact Red'
Hypericum x moseranum 'Tricolor'
Ilex aquifolium 'Ferox Argentea'
Ilex crenata
Ilex crenata
Ilex crenata 'Lemon Gem'
Ilex crenata 'Mariesii'
Ilex crenata 'Sky Pencil'
Ilex dimorphophylla
Ilex meserveae 'Horstmann Mini'
Ilex x 'Mondo' (Little Rascal)