 | Iberis 'Absolutely Amethyst' |
 | Iberis 'Appen Etz' |
 | Iberis 'Golden Candy' |
 | Iberis 'Lavish' |
 | Iberis 'Masterpiece' |
 | Iberis 'Pink Ice' |
 | Iberis 'Whiteout' |
 | Ilex Altaclerensis 'Golden King' |
 | Ilex Aquifolium 'Argentea Marginata' |
 | Ilex Aquifolium 'Ferox Argentea' |
 | Ilex Aquifolium 'Golden Van Tol' |
 | Ilex Aquifolium 'Handsworth New Silver' |
 | Ilex Aquifolium 'Ingramii' |
 | Ilex Aquifolium 'J.c. Van Tol' |
 | Ilex Aquifolium 'Madame Briot' |
 | Ilex Aquifolium 'Pyramidalis' |
 | Ilex Aquifolium 'Silver Milkboy' |
 | Ilex Aquifolium 'Silver Van Tol' |
| Ilex Aquifolium Pyramidalis |
 | Ilex Attenuata 'Sunny Foster' |
 | Ilex Crenata 'Akagi' |
 | Ilex Crenata 'Dark Green' |
 | Ilex Crenata 'Golden Gem' |
 | Ilex Crenata Cloud Trees |
 | Ilex Meserveae 'Blue Angel' |
 | Ilex Meserveae 'Blue Prince' Male |
 | Impatiens Apiculata |
 | Impatiens Arguta |
 | Impatiens Arguta 'Alba' |
 | Impatiens Arguta 'Big Form' |
 | Impatiens Balansae |
| Impatiens Balansiae |
 | Impatiens Flanaganae |
 | Impatiens Gomphophylla |
 | Impatiens Hochstetteri |
 | Impatiens Kilimanjari X Pseudoviola Dark Pink Form |
 | Impatiens Kilimanjari X Pseudoviola Pale Pink Form |
 | Impatiens Kilimanjari X Pseudoviola Variegated Form |
 | Impatiens Langbianensis Hwj1054 |
 | Impatiens Mengtzeana Semi Prostrate Form |
 | Impatiens Namchabarwensis |
| Impatiens Niamniamensis |
 | Impatiens Niamniamensis 'Golden Cockatoo' |
 | Impatiens Omeiana |
 | Impatiens Omeiana 'High Voltage' |
 | Impatiens Omeiana 'Ice Storm' |
 | Impatiens Omeiana 'Pink Nerves' |
 | Impatiens Omeiana 'Sango' |
| Impatiens Omeiana Djhc 98492 |
 | Impatiens Omeiana Long Leaf Form |
| Impatiens Omeiana Red Leaf From Cally Gardens |
 | Impatiens Oxyanthera |
 | Impatiens Oxyanthera 'Milo' |
 | Impatiens Pritzelii 'Sichuan Gold' |
 | Impatiens Puberula |
 | Impatiens Qingchengshanica 'Emei Dawn' |
 | Impatiens Qingchengshanica 'Emei Dawn' Dhj98415 |
 | Impatiens Rhombifolia |
 | Impatiens Rothii |
 | Impatiens Scabrida |
 | Impatiens Sodenii |
 | Impatiens Sodenii 'Flash' |
 | Impatiens Sodenii 'Ravishing Rhi' |
 | Impatiens Sodenii Large Pink Red Eye |
 | Impatiens Sodenii White Red Eye |
 | Impatiens Sodenii Subsp. Oliverii |
 | Impatiens Sodenii Subsp. Oliverii 'Madonna' |
 | Impatiens Species 2pb |
 | Impatiens Species Ex China (Darrell Probst) |
 | Impatiens Stenantha |
 | Impatiens Stenantha 'Clone No. 2' |
 | Impatiens Tinctoria |
 | Imperata Cylindrica 'Red Baron' |
| Imperata Cylindrica 'Rubra' |
 | Incarvillea Delavayi |
 | Indoor Succulent Display 2206 |
 | Indoor Succulent Display 2225 |
 | Inula Hookeri |
 | Inulanthera Calva |
 | Iochroma Australe |
 | Ipheon Uniflorum 'Alberto Castillo' |
| Iris 'Berlin Tiger' |
 | Iris Bulleyana |
 | Iris Chrysographes |
 | Iris Chrysographes 'Black Form' |
 | Iris Confusa |
 | Iris Ensata |
 | Iris Ensata 'Angel Mountain' |
 | Iris Ensata 'Azure' |
 | Iris Ensata 'Eileens Dream' |
 | Iris Ensata 'Greyswood Catrina' |
| Iris Ensata 'Harlequinesque' |
 | Iris Ensata 'Harlinesque' |
 | Iris Ensata 'Hercule' |
 | Iris Ensata 'Innocence' |
 | Iris Ensata 'Pin Stripe' |
 | Iris Ensata 'Pink Frost' |
 | Iris Ensata 'Pink Parfait' |
 | Iris Ensata 'Sugar Dome' |
 | Iris Ensata 'Variegata' |
 | Iris Foetidissima |
 | Iris Foetidissima 'Aurea' |
| Iris Graminea (Plum Tart Iris) |
 | Iris Laevigata |
 | Iris Laevigata 'Snowdrift' |
 | Iris Pseudoacorus 'Bastardii' |
 | Iris Pseudoacorus 'Flore Pleno' |
 | Iris Pseudoacorus 'Roy Davidson' |
 | Iris Pseudoacorus 'Variegata' |
 | Iris Reichenbachii 'Purple Form' |
 | Iris Reichenbachii 'Yellow Form' |
 | Iris Robusta 'Gerald Derby' |
 | Iris Setosa |
 | Iris Setosa 'Baby Blue' |
 | Iris Sibirica 'Blue Bird' |
 | Iris Sibirica 'Blue King' |
 | Iris Sibirica 'Butter And Sugar' |
 | Iris Sibirica 'Caesers Brother' |
 | Iris Sibirica 'Charming Billy' |
 | Iris Sibirica 'Chartreuse Bounty' |
 | Iris Sibirica 'Contrast In Styles' |
 | Iris Sibirica 'Dance Ballerina Dance' |
 | Iris Sibirica 'Dark Circles' |
 | Iris Sibirica 'Dawn Waltz' |
 | Iris Sibirica 'Dreaming Yellow' |
 | Iris Sibirica 'Ego' |
 | Iris Sibirica 'Gelber Mantel' |
 | Iris Sibirica 'Golden Edge' |
 | Iris Sibirica 'Gulls Wing' |
 | Iris Sibirica 'Hubbard' |
 | Iris Sibirica 'Kabluey' |
 | Iris Sibirica 'Kita No Seiza' |
 | Iris Sibirica 'Memphis Memory' |
 | Iris Sibirica 'On Mulberry Street' |
 | Iris Sibirica 'Ottowa' |
 | Iris Sibirica 'Painted Woman' |
 | Iris Sibirica 'Pappilon' |
 | Iris Sibirica 'Perrys Blue' |
 | Iris Sibirica 'Persimmon' |
 | Iris Sibirica 'Pink Parfait' |
 | Iris Sibirica 'Regency Buck' |
 | Iris Sibirica 'Ruffled Plus' |
 | Iris Sibirica 'Silver Edge' |
 | Iris Sibirica 'Sky Wings' |
 | Iris Sibirica 'Snowcrest' |
 | Iris Sibirica 'Sparkling Rose' |
 | Iris Sibirica 'Tipped In Blue' |
 | Iris Sibirica 'Tropic Night' |
 | Iris Sibirica 'Uncorked' |
 | Iris Sibirica 'Vi Luihn' |
 | Iris Sibirica 'White Swirl' |
 | Iris Versicolor |
 | Iris Versicolor 'Kermesina' |
 | Isoplexis Canariensis |
 | Itea Virginica 'Henry's Garnet' |
 | Itea Illicifolia |
