Juno Iris 'Jupiter' Horned Violet
Jupiter's Beard (spp.) Jupiter's Beard 'Coccineus'
'Just Joey' Rose Jute, China (spp.)
Juttadinteria 'Kablouna' Pot Marigold
Kadsura Vine 'Chirimen' Kaempfer Azalea
Kaffir Lilly (spp.) Kaffir Lilly 'Jacqueline'
Kaffir Plum Kafir Lily
Kafir Palm 'Kagero' Japanese Maple
Kahili Ginger 'Kahlua' Hybrid Geranium
Kaka Beak Kalanchoe
Kalanchoe, Christmas Kalanchoe: manginii
Kalanchoe: rhombopilosa Kalanchoe: rosei seyrigii
Kale, Decorative (spp.) Kale, Decorative 'Nagoya Purple'
Kale, Decorative 'Nagoya Red' Kale, Decorative 'Nagoya White'
Kale, Decorative 'Red Peacock' Kale, Decorative 'Redbor'
Kale, Decorative 'White Peacock' Kale, Flowering (spp.)
Kale, Flowering 'Nagoya Purple' Kale, Flowering 'Nagoya Red'
Kale, Flowering 'Nagoya White' Kale, Flowering 'Red Peacock'
Kale, Flowering 'Redbor' Kale, Flowering 'White Peacock'
Kale, Giant Kale, Scotch (spp.)
Kale, Scotch 'Nagoya Purple' Kale, Scotch 'Nagoya Red'
Kale, Scotch 'Nagoya White' Kale, Scotch 'Red Peacock'
Kale, Scotch 'Redbor' Kale, Scotch 'White Peacock'
Kale, Sea 'Kaleidoscope' Glossy Abelia
'Kaleidoscope™' Rose Kalimeris
Kalimeris Golden 'Kalinda' Houseleek
Kalm St. Johnswort 'Ames' Kalm St. Johnswort 'Blues Festival™'
Kalwerbossie Kamchatka Bugbane 'White Pearl'
Kamschataka Sedum (spp.) Kamschataka Sedum 'Tricolor'
Kamschataka Sedum Variegated Kamschataka Sedum: kamtschaticum ellacombianum
Kamschataka Stonecrop (spp.) Kamschataka Stonecrop 'Tricolor'
Kamschataka Stonecrop Variegated Kamschataka Stonecrop: kamtschaticum ellacombianum
Kanab Yucca 'Kandy Kitchen' Japanese Maple
Kangaroo Apple: laciniatum Kangaroo Paw (spp.)
Kangaroo Paw 'Red Cross' Kangaroo Paw, Evergreen (spp.)
Kangaroo Paw, Evergreen 'Red Cross' Kanluang
'Kansas' Daylily Kansas Gayfeather
Kapok Tree 'Kara ori nishiki' Japanese Maple
'Karalee White' Gaura Karapincha
'Karasu gawa' Japanese Maple 'Kardinal' Bigleaf Hydrangea
'Kardinal Improved' Crested Celosia 'Karine' Oriental Poppy
'Karl Foerster' Feather Reed Grass 'Karmine' Spiderwort: hybrid
Karoo Cycad Karoo Rose
Karro Thorn Karum Tree
'Karume' Crested Celosia 'Kasar' Sweet Basil
'Kasen nishiki' Japanese Maple Kashmir Cypress
'Kashmir' Deodar Cedar Kashmir False Spirea
'Kashmir Purple' Clarke's Geranium Kashmir Sage
'Kashmir White' Jacquemontii Birch 'Kasia (Sunjoy® Mini Saffron)' Japanese Barberry
'Kate Arendall' Evergreen Azalea