Kaffir Plum Kafir Palm
'Kagero' Japanese Maple 'Kandy Kitchen' Japanese Maple
Kanluang Kapok Tree
'Kara ori nishiki' Japanese Maple Karapincha
'Karasu gawa' Japanese Maple Karro Thorn
Karum Tree 'Kasen nishiki' Japanese Maple
Kashmir Cypress 'Kashmir' Deodar Cedar
'Kashmir White' Jacquemontii Birch 'Katherine' Yaupon Holly
'Katsura' Japanese Maple Katsura Tree
Katsura Tree (spp.) Katsura Tree 'Ruby'
Katsura Tree, Weeping Kauri Pine
Kauri, Moore Kauri, Queensland
Kauri, Santa Cruz Kauri, Smooth Bark
Kawaka 'Keith Davey' Chinese Pistachio
'Kelleriis Viridis' American Arborvitae 'Kelly's Gold' Boxelder
Kentucky Coffee Tree Variegated 'Keown' Monterey Cypress
Kerme's Oak 'Keteleeri' Eastern Red Cedar
Key Thatch Palm Kiepersol
'Kiku-Shidari' Oriental Cherry King Alexander Palm
'Kingsville 1' Japanese Maple 'Kintoki' Japanese Cornel Dogwood
Kite Tree 'Kiyo sumi' Japanese Maple
'Kiyohime' Japanese Maple 'Klein #1' American Holly
'Kleinburg' White Ash Klinki Pine
Knife Acacia Knifeleaf Wattle
Knobthorn Acacia Kobus Magnolia (spp.)
Koehne Holly 'Wirt L.Winn' 'Kogane nishiki' Japanese Maple
Kohuhu 'Irene Paterson' 'Kojo No Mai' Cherry
'Kojo- no-mai' Fuji Cherry 'Kokyo' Japanese Maple
'Komachi hime' Japanese Maple Koorsboom
Korean Arborvitae Korean Fir (spp.)
Korean Fir 'Silberlocke' Korean Mountain Ash
Korean Mountain Magnolia Korean Pine (spp.)
Korean Pine 'Morris Blue' Korean Stewartia
Korean Sweetheart Tree 'Koreanum' Japanese Maple
'Koshibori nishiki' Japanese Maple 'Koshimino' Japanese Maple
'Koster' Colorado Spruce 'Koto maru' Japanese Maple
'Kotohime' Japanese Maple Kousa Dogwood (spp.)
Kousa Dogwood 'Avalanche' Kousa Dogwood 'Elizabeth Lustgarten'
Kousa Dogwood 'Gold Star' Kousa Dogwood 'Milky Way'
Kousa Dogwood 'Miss Satomi' Kousa Dogwood 'Square Dance'
Kousa Dogwood 'Sunsplash' Kousa Dogwood 'White Dusted'
Kousa Dogwood 'Wolf Eyes' 'Kramer's Supreme™' Japanese Camellia
'Krauter Vesuvius' Cherry Plum Kruse's Mallee
Kukui Kumquat, Oval
Kurrajong, Rusty 'Kurui jushi' Japanese Maple
'Kwanzan' Oriental Cherry Laburnum, Waterer (spp.)
Laburnum, Waterer 'Vossii'