| Name? | Group? | Type? | Source? | Images? |
| 'Weisse Schaeme' see 'Schaeme Alba' |
Belgian Indian | evg |
Galle85 |
| 'Welcome' | Glenn Dale | evg | Galle85 | b |
| 'Welhelmina Vuyk' see 'Palestrina' | Vuyk | evg |
Galle87 |
| 'Welmet' (T24-5) | Robin Hill | evg |
Galle85 |
| 'Wendy' | Kurume | evg |
Galle87 |
| 'Wendy' see 'Robin Hill Wendy' | Robin Hill | evg |
Galle85 |
| 'Werner Muckel' ('Flamingo', 'Pink Lady', 'Werner Proehl') | Belgian Indian | evg |
Galle85 |
| 'Werner Proehl' see 'Werner Muckel' | Belgian Indian | evg |
Galle85 |
| 'Westcott Corfu' | Turner | evg |
Steele03 |
| Western Azalea see occidentale | Species | dec |
Galle85 |
| 'Western Lights' | Briggs | dec |
RareFind04 |
| 'Westminster' | Knap Hill | dec |
Galle85 |
| 'Westminster' | Occidentale | dec |
Galle85 |
| 'Weston's Firecracker' | Weston | dec |
AmAz04 |
| 'Weston's Garden Party' ('Garden Party') | Weston | dec |
AmAz04 |
| 'Weston's Garden Party' ('Garden Party') | Weston | dec |
IRRC04 |
| 'Weston's Innocence' ('Innocence', 'Weston's Innocense') | Weston | dec |
Galle85 |
| 'Weston's Innocense' see 'Weston's Innocence' | Weston | dec |
Galle87 |
| 'Weston's Lemon Drop' see 'Lemon Drop' | Weston | dec |
AmAz04 |
| 'Weston's Lollipop' see 'Lollipop' | Weston | dec |
AmAz04 |
| 'Weston's Parade' | Weston | dec |
AmAz04 |
| 'Weston's Popcorn' see 'Popcorn' | Weston | dec |
RareFind04 |
| 'Weston's Sparkler' | Weston | dec |
AmAz04 |
| 'West's Superba' | Southern Indian | evg |
Galle85 |
| Weyrich Azaleasee weyrichii | Species | dec |
Galle85 |
| weyrichii ('Tsukushi Aka Tsutsuji', Weyrich Azalea) | Species | dec |
Galle85 |
| 'W. F. Raffeisen' | Mollis | dec |
Galle85 |
| 'Whakanni' | Ilam | dec |
Galle85 |
| 'Wheeler Lord' | Pride | evg |
Galle85 |
| 'Whimsical' | Glenn Dale | evg | Galle85 | b |
| 'Whipped Cream' (HS 84-16-21) | Holly Springs | evg |
Vines90 |
| 'Whirlwind' | Glenn Dale | evg | Galle85 | b |
| 'Whistler' | Whitewater | evg |
Galle85 |
| 'White April' | Coolidge | evg |
Galle85 |
| 'White April' | Southern Indian | evg |
Galle85 |
| 'White Banner' | Beltsville | evg |
Galle85 |
| 'Whitebrook' | | evg |
Steele03 |
| 'White Cap' | Beltsville | evg |
Galle85 |
| 'White Cap' | Ilam | dec |
Galle85 |
| 'White Challenge' | Kerrigan | evg |
Galle85 |
| 'White Choptank' | Choptank | dec |
Galle85 |
| 'White Christmas' ('Mme. Petrick Alba') | Aus. NZ | evg |
Galle85 |
| 'White Christmas' | Whitewater | evg |
Galle85 |
| 'White Cloud' | Aus. NZ | evg |
Galle85 |
| 'White Cloud' | Beltsville | evg |
Galle85 |
| 'White Cloud' see 'Doris Ritter' | Eden | evg |
IRRC04 |
| 'White Cloud' | Girard | dec |
Galle85 |
| 'White Cluster' | Beltsville | evg |
Galle85 |
| 'White Crane' ('Vervaeniana Striata') | Aus. & NZ | evg |
Galle85 |
| 'White Diamond' see 'Diamant Weiss' | Diamant | evg |
IRRC04 |
| 'White Doll' | Beltsville Dwarf | evg |
Galle85 |
| 'White Dorothy Gish' see 'White Gish' | Rutherford | evg |
Galle85 |
| 'White Dove' (X75-8) | Cripple Creek | evg |
Galle85 |
| 'White Duc' | Belgian Indian | evg |
Galle85 |
| 'White Elf' | Beltsville Dwarf | evg |
Galle85 |
| 'White Ermine' | Greenwood | evg |
Galle85 |
| 'White Eureka' | Aus. & NZ | evg |
Galle85 |
| 'White Falls' | Monrovia | evg |
Galle85 |
| 'White Find' | Vaseyi | dec |
Galle85 |
| 'White Flakes' | Galle | dec |
Galle85 |
| 'White Foam' | Lazy K | dec |
AmAz04 |
| 'White Frills' | Exbury | dec |
Roslyn95 |
| 'White Frills' | Loblolly Bay | evg |
Galle85 |
| 'White Gish' ('White Dorothy Gish') | Rutherford | evg |
Galle85 |
| 'White Grandeur' | Brooks | evg |
Galle85 |
| 'White Grandeur' | Southern Indian | evg |
Galle85 |
| 'White Gumpo' see 'Gumpo White' | Satsuki | evg |
IRRC04 |
| 'White Habit' | Beltsville | evg |
Galle85 |
| 'White Hart' (J12-1) | Robin Hill | evg | Galle85 | b |
| 'Whitehead' (T2-4) | Robin Hill | evg |
Galle85 |
| 'Whitehead Sport' | Robin Hill | evg |
Steele03 |
| 'White Hexe' | Belgian Indian | evg |
Galle85 |
| 'Whitehouse' | Belgian Glenn Dale | evg |
Galle85 |
| 'White Jade' | Back Acres | evg |
Galle85 |
| 'White Koromo Shikibu' | | evg |
Steele03 |
| 'White Lace' | Southern Indian | evg |
Galle85 |
| 'White Lady' | Belgian Indian | evg |
Galle85 |
| 'White Lady' | Kaempferi | evg |
Galle85 |
| 'Whitelegg' | Kaempferi | evg |
Galle85 |
| 'White Lightning' | Beasley | dec |
Galle87 |
| 'White Lights' | Northern Lights | dec |
Galle85 |
| 'White Moon' | Kiusianum | evg |
Roslyn04 |
| 'White Moon' (T17-7) | Robin Hill | evg |
Galle85 |
| 'White Moon Sport' (T17-7A) | Robin Hill | evg |
Steele03 |
| 'White Nymph' | Beltsville Dwarf | evg | Galle85 | b |
| 'White Orchid' | Mossholder-Bristow | evg |
Galle85 |
| 'White Peacock' (HS 84-14-03) | Holly Springs | evg |
Vines90 |
| 'White Pearl' | Lazy K | dec |
AmAz04 |
| 'White Pearl' | Wada | evg |
Galle85 |
| 'White Perfection' | Beltsville | evg |
Galle85 |
| 'White Prince' | Aus. & NZ | evg |
Galle85 |
| 'White Princess' | Girard | evg |
Galle85 |
| 'White Rosebud' ('Kehr's White Rosebud') | Kehr | evg | Galle85 | s, b, b, b |
| 'White Rug' | Loblolly Bay | evg |
Galle85 |
| 'White Schaeme' see 'Madame Marcel De Paepe' | Belgian Indian | evg |
Galle85 |
| 'White Schaeme' see 'Schaeme Alba' | Belgian Indian | evg |
Galle85 |
| 'White Splendor' | Greenwood | evg |
Galle87 |
| 'White Spring' | Loblolly Bay | evg |
Galle85 |
| 'White Squall' | Beltsville | evg |
Galle85 |
| 'White Squatter' | Linwood Hardy | evg |
Galle85 |
| 'White Star' | Aromi | dec | Azalean25:2 | b |
| 'White Star' | Carlson-Abbott | dec |
Galle85 |
| 'White Star' | Gable | evg |
Galle85 |
| 'Whitestone' | Vossberg | evg |
Roslyn95 |
| 'White Surprise' | McDonald | evg |
Galle87 |
| 'White Swan' | Exbury | dec |
Galle85 |
| 'White Swan' | Southern Indian | evg |
Galle85 |
| 'White Throat' ('Whitethroat') | Knap Hill | dec |
Galle85 |
| 'Whitethroat' see 'White Throat' | Knap Hill | dec |
Greer04 |
| 'White Top' | EX-Teese | dec |
Galle85 |
| 'White Vittati' | Belgian Indian | evg |
Galle85 |
| 'Whitewater' | Belgian Indian | evg |
Galle85 |
| 'Whitewater' | Whitewater | evg |
Galle85 |
| 'White Wings' | Aromi | evg |
Azalean25:2 |
| 'White Yellow Eye' | Exbury | dec |
Galle85 |
| 'Whitney' | Beltsville | evg |
Galle85 |
| 'Whitney's Pontica' | | dec |
Greer04 |
| 'W. H. Nolens' see 'Koningin Emma' | Mollis | dec |
IRRC04 |
| 'Wildfire' | Glenn Dale | evg |
Galle85 |
| Wild Thyme Azalea see serpyllifolium | Species | evg |
Galle85 |
| 'Wildwood Pixie Petticoat' | Wildwood | evg |
Steele03 |
| 'Wilhelmina' | Kaempferi | evg |
Galle85 |
| 'Wilhelmina Vuyk' see 'Palestrina' | Vuyk | evg |
Galle85 |
| 'Wilhelm Keim' | Belgian Indian | evg |
Galle85 |
| 'Wilhelm Roentgen' | Fleischmann | dec |
Galle85 |
| 'Wilhelm Scheurer' | Belgian Indian | evg |
Galle85 |
| 'Willa Owens' | Loblolly Bay | evg |
Galle85 |
| 'Willem Hardijzer'1 | Mollis | dec |
Galle85 |
| 'Willem Hardijzer'2 | Mollis | dec |
Galle85 |
| 'Willem II' | Mollis | dec |
Galle85 |
| 'Willem III' ('William III') | Ghent | dec |
Galle85 |
| 'Willem Van Oranje' | Belgian Indian | evg |
Galle85 |
| 'William Bull' | Southern Indian | evg |
Galle85 |
| 'William Hyatt' (3887) | Schroeder | evg |
Galle87 |
| 'William III' see 'Willem III' | Ghent | dec |
Galle85 |
| 'Williamsburg' | McDonald | evg |
Galle87 |
| 'Williamsburg Rose' see 'Williamsburg Rose Bouquet' | McDonald | evg |
Galle87 |
| 'Williamsburg Rose Bouquet' ('Williamsburg Rose') | McDonald | evg |
McDonald05 |
| 'William Selkirk' | Aus. & NZ | evg |
Galle85 |
| 'William Wylam' | Aus. & NZ | evg |
Galle85 |
| 'Willie Belle Mayo' | Pericat | evg |
Galle85 |
| 'Willy' | Kaempferi | evg |
Galle85 |
| Wilson #1 see 'Seikai' | Kurume | evg |
Galle85 |
| Wilson #2 see 'Kure-no-yuki' | Kurume | evg |
Galle85 |
| Wilson #3 see 'Shin Seikai' | Kurume | evg |
Galle85 |
| Wilson #4 see 'Yorozuyo' | Kurume | evg |
Galle85 |
| Wilson #5 see 'Naniwa Gata' | Kurume | evg |
Galle85 |
| Wilson #6 see 'Tancho' | Kurume | evg |
Galle85 |
| Wilson #7 see 'Hachika-tsugi' | Kurume | evg |
Galle85 |
| Wilson #8 see 'Iroha Yama' | Kurume | evg |
Galle85 |
| Wilson #9 see 'Ho O' | Kurume | evg |
Galle85 |
| Wilson #10 see 'Sui Yohi' | Kurume | evg |
Galle85 |
| Wilson #11 see 'Takasago' | Kurume | evg |
Galle85 |
| Wilson #12 see 'Kasume-gaseki' | Kurume | evg |
IRRC04 |
| Wilson #13 see 'Bijinsui' | Kurume | evg |
Galle85 |
| Wilson #14 see 'Asa Gasumi' | Kurume | evg |
Galle85 |
| Wilson #15 see 'Kimigayo' | Kurume | evg |
Galle85 |
| Wilson #16 see 'Azuma Kagami' | Kurume | evg |
Galle85 |
| Wilson #17 see 'Osaraku' | Kurume | evg |
Galle85 |
| Wilson #18 see 'Otome' | Kurume | evg |
Galle85 |
| Wilson #19 see 'Aya-kanmuri' | Kurume | evg |
IRRC04 |
| Wilson #20 see 'Shintoki-no-hagasane' | Kurume | evg |
Galle85 |
| Wilson #21 see 'Saotome' | Kurume | evg |
Galle85 |
| Wilson #22 see 'Kirin' | Kurume | evg |
Galle85 |
| Wilson #23 see 'Tamafuyo' | Kurume | evg |
Galle85 |
| Wilson #24 see 'Kiritsubo' | Kurume | evg |
Galle85 |
| Wilson #25 see 'Oino Mezame' | Kurume | evg |
Galle85 |
| Wilson #26 see 'Omoine' | Kurume | evg |
Galle85 |
| Wilson #27 see 'Katsura-no-hana' | Kurume | evg |
Galle85 |
| Wilson #28 see 'Shin Utena' | Kurume | evg |
Galle85 |
| Wilson #29 see 'Kumo-no-uye' | Kurume | evg |
Galle85 |
| Wilson #30 see 'Benifude' | Kurume | evg |
Galle85 |
| Wilson #31 see 'Suga-no-ito' | Kurume | evg |
IRRC04 |
| Wilson #32 see 'Kasane-kagaribi' | Kurume | evg |
Galle85 |
| Wilson #33 see 'Tsuta-momiji' | Kurume | evg |
Galle85 |
| Wilson #34 see 'Suetsumu' | Kurume | evg |
Galle85 |
| Wilson #35 see 'Fudesute Yama' | Kurume | evg |
Galle85 |
| Wilson #36 see 'Ima Shojo' | Kurume | evg |
Galle85 |
| Wilson #37 see 'Rasho Mon' | Kurume | evg |
Galle85 |
| Wilson #38 see 'Waka Kayede' | Kurume | evg |
Galle85 |
| Wilson #39 see 'Yaye Hiryu' | Kurume | evg |
Galle85 |
| Wilson #40 see 'Kurai-no-himo' | Kurume | evg |
Galle85 |
| Wilson #41 see 'Agemaki' | Kurume | evg |
Galle85 |
| Wilson #42 see 'Hinodegiri' | Kurume | evg |
Galle85 |
| Wilson #43 see 'Aioi' | Kurume | evg |
Galle85 |
| Wilson #44 see 'Sakura Tsukasa' | Kurume | evg |
Galle85 |
| Wilson #45 see 'Tama-no-utena' | Kurume | evg |
Galle85 |
| Wilson #46 see 'Gosho Zakura' | Kurume | evg |
Galle85 |
| Wilson #47 see 'Ukamuse' | Kurume | evg |
Galle85 |
| Wilson #48 see 'Hinode-no-taka'v | Kurume | evg |
Galle85 |
| Wilson #49 see 'Osaraku Seedling' | Kurume | evg |
Galle85 |
| Wilson #50 see 'Hana Asobi' | Kurume | evg |
Galle85 |
| 'Winchuk' | Slonecker | dec |
Galle85 |
| 'Windrush' | KH-RHS | dec |
Galle85 |
| 'Windsor Appleblossom' (V35) | Windsor | dec |
Galle85 |
| 'Windsor Buttercup' (V3) | Windsor | dec |
Galle85 |
| 'Windsor Daybreak' (V9) | Windsor | dec |
Galle85 |
| 'Windsor Lad' | Knap Hill | dec |
Galle85 |
| 'Windsor Peach Glo' see 'Windsor Peach Glow' | Windsor | dec |
Galle87 |
| 'Windsor Peach Glow' ('Windsor Peach Glo', 'WS56') | Windsor | dec |
Galle85 |
| 'Windsor Pink Souffle' (W8) | Windsor | dec |
Galle85 |
| 'Windsor Ruby' (V2) | Windsor | dec |
Galle85 |
| 'Windsor Sunbeam' ('WS1') | Windsor | dec |
Galle85 |
| 'Wine' | Southern Indian | evg |
Galle85 |
| 'Winedrop' | Glenn Dale | evg | Galle85 | b |
| 'Winfried Roelker' see 'President Alexis Callier' | Indian | evg |
IRRC04 |
| 'Winfried Rolker' see 'President Alexis Callier' | Indian | evg |
IRRC04 |
| 'Winifred Greer' | Pride | evg |
Galle85 |
| 'Winner' | Glenn Dale | evg | Galle85 | b |
| 'Winnie Greer' | Pride | evg |
Galle87 |
| 'Winny' | Pride | evg |
Galle85 |
| 'Winona' | Occidentale | dec |
Galle85 |
| 'Winsome' see 'Osaraku Seedling' | Kurume | evg |
Galle85 |
| 'Winston' | Chisolm-Merritt | evg |
Galle85 |
| 'Winston Churchill' | Mollis | dec |
Galle85 |
| 'Wintergreen' | North Tisbury | evg |
Galle85 |
| 'Wintergreen' | Shammarello | evg |
Galle85 |
| 'Wintergreen Dwarf' | North Tisbury | evg |
Roslyn04 |
| 'Winter Hawk' | Greenwood | evg |
Galle85 |
| 'Winterset' | Southern Indian | evg |
Galle85 |
| 'Winterthur' | Southern Indian | evg | Galle85 | p, s, b |
| 'Wintertime' | Kurume | evg |
Galle85 |
| 'Winter Wine' (HS 84-18-04) | Holly Springs | evg |
Vines90 |
| 'Wipper' | Arendsii | evg |
Galle85 |
| 'Wirklicher Legationsrat Gneist' ('Edward Henry', 'Geheimrat Gneist', 'Von Gneist') | Mollis | dec |
IRRC04 |