Plants starting with I
- Iberis 'First Flush™ Lavender' Candytuft
- Iberis sempervirens 'Alexander's White' Candytuft
- Iberis sempervirens 'Purity' Candytuft
- Iberis sempervirens 'Snow Cone' Candytuft
- Iberis sempervirens 'Snow Cone™ Forte' Candytuft
- Iberis sempervirens 'Snowflake' Candytuft
- Iberis sempervirens 'Snowsation' Candytuft
- Iberis sempervirens 'Snowsurfer™ Forte' Candytuft
- Iberis sempervirens 'Whistler' White Candytuft
- Iberis sempervirens 'White Shadow' Candytuft
- Iberis sempervirens TAHOE™ 'Snow White' Candytuft
- Iberis x hybrida 'Mermaid Lavender' Candytuft
- Ilex crenata 'Sky Pencil' Sky Pencil Holly
- Ilex meserveae 'Blue Princess' Holly
- Ilex verticillata 'Southern Gentleman' Southern Gentleman Winterberry
- Ilex verticillata 'Winter Red' Winter Red Winterberry
- Iliamna rivularis Streambank Wild Hollyhock Globemallow
- Impatiens hawkeri 'Celebration Apricot' New Guinea Impatiens
- Impatiens hawkeri 'Celebration Deep Red' New Guinea Impatiens
- Impatiens hawkeri 'Celebration Electric Rose' New Guinea Impatiens
- Impatiens hawkeri 'Celebration Tropical Peach' New Guinea Impatiens
- Impatiens hybrida 'SunPatiens® Compact Classic White' Sunpatiens
- Impatiens hybrida 'SunPatiens® Compact Coral Pink' Sunpatiens
- Impatiens hybrida 'SunPatiens® Compact Deep Red' Sunpatiens
- Impatiens hybrida 'SunPatiens® Compact Lavender Splash' PP10477799 Sunpatiens
- Impatiens hybrida 'SunPatiens® Compact Orange' Sunpatiens
- Impatiens hybrida 'SunPatiens® Compact Pink Blush' Sunpatiens
- Impatiens hybrida 'SunPatiens® Compact Rose Glow' Sunpatiens
- Impatiens hybrida 'SunPatiens® Compact Tropical Rose' PP28027 Sunpatiens
- Impatiens hybrida 'SunPatiens® Vigorous Rose Pink' Sunpatiens
- Impatiens walleriana 'Beacon® Bright Red' Impatiens
- Impatiens walleriana 'Beacon® Coral' Impatiens
- Impatiens walleriana 'Beacon® Light Pink' Impatiens
- Impatiens walleriana 'Beacon® Lipstick' Impatiens
- Impatiens walleriana 'Beacon® Mix Formula' Impatiens
- Impatiens walleriana 'Beacon® Salmon' Impatiens
- Impatiens walleriana 'Imara XDR Mix Hot' Impatiens
- Impatiens walleriana 'Imara XDR Pink' Impatiens
- Impatiens walleriana 'Imara XDR ProFormula Mix' Impatiens
- Impatiens walleriana 'Imara XDR Purple' Impatiens
- Impatiens walleriana 'Imara XDR White' Impatiens
- Ipomoea batatas 'Blackie' BlackSweet Potato Vine
- Ipomoea batatas 'Marguerite' Sweet Potato Vine
- Ipomoea batatas 'Sidekick Heart Lime' Sweet Potato Vine
- Ipomoea batatas 'SolarTower™ Black' Sweet Potato Vine
- Ipomoea batatas 'SolarTower™ Lime' Sweet Potato Vine
- Ipomoea batatas 'Spotlight™ Lime Heart' Sweet Potato Vine
- Ipomoea batatas 'Sweet Caroline Red Hawk™' Sweet Potato Vine
- Ipomoea batatas 'Sweet Georgia® Chestnut Heart' Sweet Potato Vine
- Ipomoea batatas 'Sweet Georgia® Light Green Heart' Sweet Potato Vine
- Ipomoea tricolor Morning Glory
- Ipomopsis aggregata Scarlet Gilia Skyrocket
- Iris ensata 'Gold Bound' Woodland or Japanese Water Iris
- Iris ensata variegata Variegated Japanese Water Iris
- Iris germanica 'Again and Again' Yellow Bearded Iris Rebloomer
- Iris germanica 'Batik' Bearded Iris
- Iris germanica 'Better Together' Light and Dark Purple Bearded Iris
- Iris germanica 'Black is Black' Black-Purple Bearded Iris
- Iris germanica 'Breakers' Purple Bearded Iris Rebloomer
- Iris germanica 'City Lights' Purple and White Bearded Iris Rebloomer
- Iris germanica 'Devil's Punchbowl' Red-Violet Bearded Iris
- Iris germanica 'Dracula's Kiss' Deep Purple to Near Black Bearded Iris
- Iris germanica 'Immortality' White Bearded Iris Rebloomer
- Iris germanica 'Island Blush' Soft Peach Pink Bearded Iris
- Iris germanica 'Mango Entree' Peach to Orange Bearded Iris
- Iris germanica 'Mariposa Autumn' Purple and White Bearded Iris Rebloomer
- Iris germanica 'Open Your Eyes' Blue White Bicolor Dwarf Bearded Iris
- Iris germanica 'Ozark Rebounder' Dark Purple Bearded Iris Rebloomer
- Iris germanica 'Peggy Sue' Light Pink Bearded Iris Rebloomer
- Iris germanica 'Raptor Red' Red Bearded Iris
- Iris germanica 'Savannah Sunset' Yellow Bearded Iris
- Iris germanica 'Struck Twice' Peach White Bicolor Bearded Iris Rebloomer
- Iris germanica 'That's All Folks' Yellow and White Bearded Iris
- Iris germanica 'Victoria Falls' Blue Bearded Iris Rebloomer
- Iris germanica 'Wintry Sky' White-Blue Bicolor Bearded Iris
- Iris missouriensis Rocky Mountain Iris
- Iris pallidia 'Albo Variegata' Sweet Iris
- Iris pallidia 'Aureo Variegata' Sweet Iris
- Iris pseudata 'Night Thunder' Yarai Pseudata Iris
- Iris sibirica 'Butter and Sugar' Siberian Iris
- Iris sibirica 'Caesar's Brother' Siberian Iris
- Iris sibirica 'Over in Gloryland' Siberian Iris
- Iris sibirica 'Pink Parfait' Siberian Iris
- Iris sibirica 'Ruffled Velvet' Siberian Iris
- Iris sibirica 'Wish Me Luck' Siberian Iris
- Iris versicolor 'Gerald Darby' Iris