Justicia adhatoda Justicia californica
Justicia carnea Kadsura japonica 'Chirimen'
Kalmia 'Red Bandit' Kalmia angustifolia 'Hammonasset'
Kalmia angustifolia 'Royal Dwarf' Kalmia latifolia
Kalmia latifolia 'Alba' Kalmia latifolia 'Big Boy'
Kalmia latifolia 'Bullseye' Kalmia latifolia 'Carousel'
Kalmia latifolia 'Elf' Kalmia latifolia 'Freckles'
Kalmia latifolia 'Heart of Fire' Kalmia latifolia 'Heart's Desire'
Kalmia latifolia 'Keepsake' Kalmia latifolia 'Little Linda'
Kalmia latifolia 'Meteor' Kalmia latifolia 'Minuet'
Kalmia latifolia 'Olympic Fire' Kalmia latifolia 'Olympic Wedding'
Kalmia latifolia 'Ostbo Red' Kalmia latifolia 'Paul Bosley'
Kalmia latifolia 'Peppermint' Kalmia latifolia 'Pink Surprise'
Kalmia latifolia 'Raspberry Glow' Kalmia latifolia 'Star Cluster'
Kalopanax septemlobus Kerria japonica
Kerria japonica 'Albaflora' Kerria japonica 'Aureovitla'
Kerria japonica 'Golden Guinea' Kerria japonica 'Picta'
Kerria japonica 'Pleniflora' Kerria japonica 'Shannon'
Kigelia africana Koelreuteria bipinnata
Koelreuteria elegans Koelreuteria paniculata
Koelreuteria paniculata 'September' Kolkwitzia amabilis
Kolkwitzia amabilis 'Maradco (Dream Catcher™)' Krugiodendron ferreum
Kunzea baxteri Kunzea parvifolia 'Dwarf'
Laburnum alpinum Laburnum x watereri
Laburnum x watereri 'Vossii' Lagarostrobus franklinii
Lagerstroemia x Lagerstroemia x 'Acoma'
Lagerstroemia x 'Apalachee' Lagerstroemia x 'Biloxi'
Lagerstroemia x 'Caddo' Lagerstroemia x 'Choctaw'
Lagerstroemia x 'Christiana' Lagerstroemia x 'Comanche'
Lagerstroemia x 'Hopi' Lagerstroemia x 'Lipan'
Lagerstroemia x 'Miami' Lagerstroemia x 'Muskogee'
Lagerstroemia x 'Natchez' Lagerstroemia x 'Pecos'
Lagerstroemia x 'Pocomoke' Lagerstroemia x 'Sioux'
Lagerstroemia x 'Snow Baby' Lagerstroemia x 'Tonto'
Lagerstroemia x 'Tuscarora' Lagerstroemia x 'Tuskegee'
Lagerstroemia x 'Yuma' Lagerstroemia x 'Zuni'
Lagerstroemia fauriei Lagerstroemia fauriei 'Fantasy'
Lagerstroemia fauriei 'Townhouse' Lagerstroemia hirsuta
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 'Dynamite®'
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'
Lagerstroemia indica 'Petite Embers™' Lagerstroemia indica 'Petite Orchid™'
Lagerstroemia indica 'Petite Pink' Lagerstroemia indica 'Petite Pinkie™'
Lagerstroemia indica 'Petite Plum™' Lagerstroemia indica 'Petite Red Imp™'
Lagerstroemia indica 'Petite Snow™' Lagerstroemia indica 'Pink Blush'
Lagerstroemia indica 'Pixie White' Lagerstroemia indica 'Powhatan'
Lagerstroemia indica 'Red Rocket®' Lagerstroemia indica 'Red Velvet®'
Lagerstroemia indica 'Regal Red' Lagerstroemia indica 'Royalty'
Lagerstroemia indica 'Seminole' Lagerstroemia indica 'Velma's Royal Delight'
Lagerstroemia indica 'Victor' Lagerstroemia indica 'World's Fair'
Lagerstroemia limii Lagerstroemia speciosa
Lagerstroemia subcostata