Judas Tree Juddi Cherry
Jujube, Chinese (spp.) Jujube, Chinese 'Mu'
Jujube, Common (spp.) Jujube, Common 'Mu'
'Julius Rose' Rose 'June Bride' Coral Bells: sanguinea
Juneberry Jungle Geranium (spp.)
Jungle Geranium 'Nora Grant' Jungle Geranium 'Petite Red'
Juniper, Ashe Juniper, California
Juniper, Prickly Juniper, Utah
Jupiter's Beard (spp.) Jupiter's Beard 'Coccineus'
'Just Joey' Rose 'Kaleidoscope' Glossy Abelia
'Kaleidoscope™' Rose Karro Thorn
'Kasia (Sunjoy® Mini Saffron)' Japanese Barberry 'Katherine' Yaupon Holly
'Keepsake' Mountain Laurel 'Kelleriis Viridis' American Arborvitae
'Kembu' False Holly 'Keteleeri' Eastern Red Cedar
Kiepersol 'Kim's Knee High' Purple Coneflower
'Kim's Mophead' Purple Coneflower Kinnikinick (spp.)
Kinnikinick 'Massachusetts' Kinnikinick 'Microphylla'
Kinnikinick 'Point Reyes' Kinnikinick 'Radiant'
'Klein #1' American Holly Knife Acacia
Knifeleaf Wattle Knobthorn Acacia
'Knock Out®' Rose 'Kobold' Japanese Barberry
'Kobold' Spiked Blazing Star Koorsboom
Korean Barberry Korean Lilac 'Miss Kim'
Korean Mint 'Golden Jubilee' Koreanspice Viburnum 'SMVCB (Spice Baby™)'
'Koster' Colorado Spruce 'Kosteri' Eastern Red Cedar
Kousa Dogwood (spp.) Kousa Dogwood 'Wolf Eyes'
'Krugerand' Tall Bearded German Iris Kruse's Mallee
'Kudan' Trumpet Vine Kunzea, Scarlet
'La Fresco' Cardinal Flower 'La Reine Victoria' Rose
'Lady Alice' American Holly 'Lady in Red' Scarlet Sage
'Lady Taylor' Rose Lady's Eardrops (spp.)
Lady's Eardrops 'Black Prince' Lady's Eardrops 'Blush of Dawn'
Lady's Eardrops 'Florabelle' Lady's Eardrops 'Sunray'
'Lalandei' Firethorn Lanceleaf Coreopsis (spp.)
Lanceleaf Coreopsis 'Baby Sun' Lanceleaf Coreopsis 'Goldfink'
Lanceleaf Coreopsis 'Sterntaler' Lanceleaf Tickseed (spp.)
Lanceleaf Tickseed 'Baby Sun' Lanceleaf Tickseed 'Goldfink'
Lanceleaf Tickseed 'Sterntaler' 'Lancifolia' Allegheny Serviceberry
'Lanciniata' Staghorn Sumac Lantana (spp.)
Lantana 'Banana Split' Lantana 'Bante Rossa'
Lantana 'Lemon Swirl' Lantana 'Luscious® Citrus Blend'
Lantana 'Luscious® Grape' Lantana 'Luscious® Lemonade'
Lantana 'New Gold' Lantana 'Pink Caprice'
Lantana 'Radiance' Lantana 'Radiation'
Lantana 'Silver Mound' Lantana 'Tropical Fruit'
Lantana, Dwarf Lantana, Gold
Lantana, Purple Lantana, Trailing
Lantana, Weeping Lantana: hybrid 'Gold Mound'
Lantana: hybrid 'Trailing Gold' Lantana: hybrid 'White Lightning'
Lantana: involucrata