Limber Pine (spp.) Limber Pine Blue
'Limbo Violet' Garden Petunia 'Lime' Lemon-Scented Thyme
Lime Prickley Ash Lime Stonecrop
'Lime' Sweet Scented Geranium Lime, Henry's
Lime, Small-leaved (spp.) Lime, Small-leaved 'Chancellor'
Lime, Small-leaved 'Crimean' Lime, Small-leaved 'Glenleven'
Lime, Small-leaved 'Greenspire' Lime, Small-leaved 'June Bride'
Lime, Small-leaved 'Olympic' Lime, Small-leaved 'Rancho'
Lime, Small-leaved 'Truesi' Lime, Spanish
Limeberry 'Limelight' Corn Plant
'Limelight' Licorice Plant 'Limelight' Panicle Hydrangea
'Limerock Passion' Tickseed: Coreopsis Limestone Fern (spp.)
Limestone Fern 'Plumosum' 'Limited Edition' Daylily
Limnocharis 'Linde Armstrong' Spider Plant: hassleriana
Linden Linden Viburnum (spp.)
Linden Viburnum 'Catskill' Linden Viburnum 'Erie'
Linden Viburnum 'Michael Dodge' Linden Viburnum 'Oneida'
Linden Viburnum: dilatatum pilosulum Linden, American (spp.)
Linden, American 'Pyramidalis' Linden, American 'Redmond'
Linden, Bigleaf Linden, Chinese
Linden, Henry's Linden, Hybrid 'Crimean'
Linden, Japanese Linden, Littleleaf (spp.)
Linden, Littleleaf 'Chancellor' Linden, Littleleaf 'Crimean'
Linden, Littleleaf 'Glenleven' Linden, Littleleaf 'Greenspire'
Linden, Littleleaf 'June Bride' Linden, Littleleaf 'Olympic'
Linden, Littleleaf 'Rancho' Linden, Littleleaf 'Truesi'
Linden, Mongolian Linden, Silver (spp.)
Linden, Silver 'Sterling' 'Lineare' Japanese Maple
'Linearis' Black Elderberry Line-leaf Conebush
'Lingholm' Blue Poppy Lingonberry
Lint (spp.) Lint 'Nanum Sapphire'
Lion's Ear, Mint Lion's Ear: leonurus
Lion's Tail Agave (spp.) Lion's Tail Agave 'Nova'
Lion's Tail: leonurus Lip Fern
'Lipan' Crapemyrtle Lipstick Plant (spp.)
Lipstick Plant: lobbianus 'Lipstick' Strawberry: frel
Lipstick Tree Liriope (spp.)
Liriope 'Big Blue' Liriope 'Ever Green Giant'
Liriope 'Gold Band' Liriope 'John Burch'
Liriope 'Monroe White' Liriope 'Riegel's Big Blue'
Liriope 'Royal Purple' Liriope Variegated
Liriope, Bigblue (spp.) Liriope, Bigblue 'Big Blue'
Liriope, Bigblue 'Ever Green Giant' Liriope, Bigblue 'Gold Band'
Liriope, Bigblue 'John Burch' Liriope, Bigblue 'Monroe White'
Liriope, Bigblue 'Riegel's Big Blue' Liriope, Bigblue 'Royal Purple'
Liriope, Bigblue Variegated Liriope, Creeping (spp.)
Liriope, Creeping 'Silver Dragon' Liriope, Creeping Variegated
Lisbon False Sun Rose Lisianthus (spp.)
Lisianthus 'Blue Lisa' Lisianthus 'Forever Blue'
Lisianthus 'Yodel Blue'