Jump-Up, Johnny Jump-Up: tricolor, Johnny
'June Bride' Coral Bells: sanguinea 'June' Hosta
'Jungle Beauty' Carpet Bugle 'Jungle Red' Red Leaf Hibiscus
Juno Iris 'Jupiter' Horned Violet
Jupiter's Beard (spp.) Jupiter's Beard 'Coccineus'
Jute, China (spp.) Juttadinteria
'Kablouna' Pot Marigold Kaffir Lilly (spp.)
Kaffir Lilly 'Jacqueline' Kafir Lily
Kahili Ginger 'Kahlua' Hybrid Geranium
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
Kalimeris Kalimeris Golden
'Kalinda' Houseleek 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
Kangaroo Apple: laciniatum Kangaroo Paw (spp.)
Kangaroo Paw 'Red Cross' Kangaroo Paw, Evergreen (spp.)
Kangaroo Paw, Evergreen 'Red Cross' 'Kansas' Daylily
Kansas Gayfeather 'Karalee White' Gaura
'Kardinal Improved' Crested Celosia 'Karine' Oriental Poppy
'Karl Foerster' Feather Reed Grass 'Karmine' Spiderwort: hybrid
Karoo Rose 'Karume' Crested Celosia
'Kasar' Sweet Basil 'Kashmir Purple' Clarke's Geranium
Kashmir Sage 'Katherine' Summer Phlox
'Katie Pink' Mexican Petunia 'Kelsae Sweet Giant' Onion
'Kelwayi' Golden Marguerite 'Ken Clifford' Spiderwort: hybrid
Kencur Kennedy's Buckwheat
Kentucky Blue Grass 'Kentucky Colonel' Spearmint
'Kew Rose' Tree Lavatera 'Kewensis' Primrose: hybrid
Keyflower (spp.) 'Kimberly Queen' Boston Fern
'Kimono' Foamy Bells 'Kim's Knee High' Purple Coneflower
'Kim's Mophead' Purple Coneflower 'Kindly Light' Daylily