Kniphofia 'Alcazar' Kniphofia 'Gilt Bronze'
Kniphofia 'Parmentier' Kniphofia uvaria
Kniphofia uvaria 'Flava' Kniphofia uvaria 'Lola'
Kniphofia uvaria 'Primrose Beauty' Koelreuteria bipinnata
Koelreuteria paniculata Koelreuteria paniculata 'September'
Lagerstroemia x 'Muskogee' Lagerstroemia x 'Natchez'
Lagerstroemia x 'Tuscarora' Lagerstroemia x 'Zuni'
Lagerstroemia indica Lagerstroemia indica 'Baton Rouge'
Lagerstroemia indica 'Bayou Marie' Lagerstroemia indica 'Blizzard'
Lagerstroemia indica 'Bourbon Street' Lagerstroemia indica 'Carolina Beauty'
Lagerstroemia indica 'Catawba' Lagerstroemia indica 'Cedar Lane Red'
Lagerstroemia indica 'Centennial Spirit' Lagerstroemia indica 'Conestoga'
Lagerstroemia indica 'Cordon Bleu' Lagerstroemia indica 'Dallas Red'
Lagerstroemia indica 'Delta Blush' Lagerstroemia indica 'Hope'
Lagerstroemia indica 'Houston' Lagerstroemia indica 'Lafayette'
Lagerstroemia indica 'Moned(Chica Red™)' Lagerstroemia indica 'Monink (Chica Pink™)'
Lagerstroemia indica 'Near East' Lagerstroemia indica 'New Orleans'
Lagerstroemia indica 'Ozark Spring' Lantana camara
Lantana camara 'Banana Split' Lantana camara 'Bandana Rose® Bante Rossa'
Lantana camara 'Landmark™ Rose Glow' Lantana camara 'Lemon Swirl'
Lantana camara 'Luscious® Citrus Blend' Lantana camara 'Luscious® Tropical Fruit'
Lantana camara 'Miss Huff' Lantana camara 'New Gold'
Lantana camara 'Pinata' Lantana camara 'Popsicles'
Lantana camara 'Radiance' Lantana camara 'Radiation'
Lantana camara 'Samantha' Lantana camara 'Silver Mound'
Lantana camara 'Spreading Sunset' Lantana montevidensis
Larrea tridentata Laurus nobilis
Laurus nobilis 'Aurea' Lavandula angustifolia
Lavandula angustifolia 'Beechwood Blue' Lavandula angustifolia 'Lady'
Lavandula angustifolia 'Munstead' Lavandula x intermedia 'Dilly Dilly'
Lavandula x intermedia 'Fred Boutin' Lavandula stoechas
Lavandula stoechas 'Silver Anouk' Lavatera assurgentiflora
Leonotis leonurus Leonotis leonurus 'Alba'
Leptospermum laevigatum Leptospermum laevigatum 'Reevesii'
Leptospermum petersonii Leptospermum petersonii 'White Swan'
Leptospermum rotundifolium Leptospermum scoparium
Leptospermum scoparium 'Big Red' Leptospermum scoparium 'Crimson Glory'
Leptospermum scoparium 'Helen Strybing' Leptospermum scoparium 'Jubilee'
Leptospermum scoparium 'Kiwi' Leptospermum scoparium 'Prostratum Pink Cascade'
Leptospermum scoparium 'Snow Flake' Leptospermum scoparium 'Snow White'
Leucophyllum candidum Leucophyllum frutescens
Leucophyllum frutescens 'Compactum' Leucophyllum frutescens 'Green Cloud™'
Leucophyllum zygophyllum Leucophyta brownii 'Silver Bush'
Lewisia cotyledon Leymus condensatus 'Canyon Prince'
Libertia peregrinans Ligularia dentata
Ligularia dentata 'Britt-Marie Crawford' Ligularia dentata 'Desdemona'
Ligularia dentata 'Othello' Ligustrum japonicum
Ligustrum japonicum 'Coriaceum' Ligustrum lucidum
Ligustrum lucidum 'Excelsum Superbun' Ligustrum lucidum 'Tricolor'
Ligustrum sinense 'Variegatum' Linum perenne