Jasmine, Cayenne (spp.) Jasmine, Cayenne 'First Kiss Blueberry'
Jasmine, Cayenne 'Parasol' Jasmine, Cayenne 'Pastels Mix'
Jasmine, Cayenne 'Pretty in Rose' Jasmine, Cayenne 'Raspberry Cooler'
Jasmine, Cayenne 'Rose Carpet' Jasmine, Cayenne 'Stardust Mix'
Jasmine, Cayenne 'Stardust Orchid' Jasmine, Rock
'Jason Bloom' Hybrid Geranium 'Java Sunbird' Tall Bearded German Iris
'Jeanne d'Arc' Dutch Crocus 'Jefferson's Rose' Verbena
Jelly Beans 'Jennifer Rebecca' Waterlily
'Jenny Brook' Wallflower: Erysimum 'Jenny' Lychnis
Jenny's Stonecrop 'Angelina' Jenny's Stonecrop 'Blue Spruce'
Jerusalem Cowslip 'Sissinghurst White' Jerusalem Sage (spp.)
Jerusalem Sage 'Lewis Palmer' Jerusalem Sage: fruticosa
Jerusalem Sage: leucophracta Jerusalem Sage: officinalis 'Sissinghurst White'
Jerusalem Sage: russeliana Jerusalem Sage: tuberosa
'Jesse' Knautia 'Jessie's Purple Passion' Waterlily
'Jeune Tom' Daylily Jewel Alocasia (spp.)
Jewel Plant 'Jewels' Creeping Snapdragon
Jewels Of Opar (spp.) Jewels Of Opar Golden
Jewels Of Opar 'Kingswood Gold' Jewels Of Opar Variegated
'Jillian' Florist's Chrysanthemum 'Jimminey Cricket' Orchid
'Joan Elliott' Clustered Bellflower 'Joan Senior' Daylily
Joe Pye Weed (spp.) Joe Pye Weed 'Gateway'
Joe Pye Weed 'White Joe' Joe Pye Weed, Sweet (spp.)
Joe Pye Weed, Sweet 'Gateway' Joe Pye Weed, Sweet 'White Joe'
Joe Pye Weed: maculatum Joe Pye Weed: purpureum atropurpureum
'Johann Strauss' Hybrid Tulip 'John Burch' Lilyturf
'John Coutts' Bachelors' Button 'John Coutts' John Coutts Knapweed
John Coutts Knapweed 'John Coutts' 'John Creech' Two Row Stonecrop
'John Farick' Summer Phlox 'John Harwood' Common Garden Peony
'John Paul II' Hybrid Clematis Johnny Jump-Up
Johnny Jump-Up: tricolor Johnson Grass
'Johnson's Blue' Hybrid Geranium 'JokerŪ Rot-Gold' Pansy
'Jolly Cheryl' Florist's Chrysanthemum 'Jolly JokerŪ' Pansy
Joseph's Coat: Alternanthera 'Red Threads' Joseph's Coat: Alternanthera 'Snow Queen'
Joseph's Coat: dentata 'Party Time' Joseph's Coat: dentata 'Rubiginosa'
Joseph's Coat: dentata 'Ruby' Joseph's Coat: ficoidea (spp.)
Joseph's Coat: ficoidea 'Big Red' Joseph's Coat: ficoidea 'Brilliant'
Joseph's Coat: ficoidea 'Party Time' Joseph's Mary 'Bertram Anderson'
Joseph's Mary 'Cevennensis' Joseph's Mary 'Diana Clare'
Joseph's Mary 'Excalibur' 'Joy Skies' Navelwort
Joy Weed 'Party Time' Joy Weed 'Rubiginosa'
Joy Weed 'Ruby' 'Joyce' Dwarf Iris
'Joystick Lilac' Sea Thrift: pseudarmeria 'Joystick Red' Sea Thrift: pseudarmeria
'Juliet' Summer Phlox 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' Juttadinteria
Kaffir Lilly (spp.) Kaffir Lilly 'Jacqueline'