| Name? | Group? | Type? | Source? | Images? |
| 'Wisdom' | Glenn Dale | evg | Galle85 | b |
| 'Wise Decision' | Cummins | dec |
AmAz04 |
| 'Wise's Canescens' | Canescens | dec |
Transplant93 |
| 'Witch Doctor' (U31-9) | Cripple Creek | evg |
Galle85 |
| 'Witchery' | Glenn Dale | evg | Galle85 | b |
| 'W. Leith' = 'Leith' ? | | evg |
IRRC04 |
| 'Wm. McElvain' | Pride | evg |
Galle85 |
| 'Wolfpack Red' | Carla | evg | Galle85 | s, b |
| 'Woman's Day' | Aus. & NZ | evg |
Galle85 |
| 'Wombat' | Glendoick | evg |
Galle85 |
| 'Wonder Girl' | Aus. & NZ | evg |
Galle85 |
| 'Wonderperel' see 'La Merveilleuse'2 | Indian | evg |
IRRC04 |
| 'Wood Dove' | Coolidge | evg |
Galle85 |
| 'Wood Nymph' | Beasley | dec |
AmAz04 |
| 'Wood's White' | Hershey | evg |
Galle85 |
| 'Wood's White Gumpo' | Satsuki | evg |
Galle85 |
| 'Wow' | Carlson | dec |
Galle85 |
| 'Wow' | Hager | evg |
Galle85 |
| 'W. Rolker' see 'President Alexis Callier' | Indian | evg |
IRRC04 |
| 'Wryneck' | Knap Hill | dec |
Galle85 |
| 'Wu Bao Lu Zhu' | Chinese | evg |
Galle85 |
| 'Wuchiwa Kasane' (sp?) | Kurume | evg |
Galle85 |
| 'Wyandot' | Stanton | evg |
Galle85 |
| 'Wye' | KH-RHS | dec |
Galle85 |
| 'Wylam's Surprise' | Aus. & NZ | evg |
Galle85 |
| 'Wyths' | | evg |
HollyHeath74 |
| X72-09 | Gartrell | evg |
Vines90 |
| X76-04 | Gartrell | evg |
Vines90 |
| 'Xianzhu Dujuan' see glandulostylum | Species | evg |
Galle85 |
| 'Xiao-hua-dujuan' see minutiflorum | Species | evg |
Galle85 |
| 'Xi-pan-dujuan' see rivulare | Species | evg |
Galle85 |
| 'Xishou Dujuan' see tenue | Species | evg |
Galle85 |
| 'Xmas Rose' see 'Christmas Rose' | Coolidge | evg |
IRRC04 |
| Y22-02 | Gartrell | evg | Gears04 | p, s, b, t |
| 'Yachats' | Slonecker | dec |
Galle85 |
| 'Yachiyo #2' | | evg | | p, b, b, b, b |
| 'Yachiyo' | Satsuki | evg |
Galle85 |
| 'Yachiyo' | Wada | evg |
Galle87 |
| 'Yachiyo Red' | Satsuki | evg |
Galle87 |
| 'Yae-asagao' like 'Getsu-sai' | Tsutsuji | evg |
IRRC04 |
| 'Yaegakihime' | Satsuki | evg |
SatDict83 |
| 'Yaegoromo' | Satsuki | evg |
SatDict83 |
| 'Yaehime' (sp?) | Kurume | evg |
Galle85 |
| 'Yae-no-tsuki' | Satsuki | evg |
Galle85 |
| 'Yae-shide' see 'Itokurenai' | Satsuki | evg |
IRRC04 |
| 'Yaeshojo' | Kurume | evg |
Galle85 |
| 'Yaffle' | Knap Hill | dec |
Galle85 |
| 'Yaitajiro' | Satsuki | evg |
SatDict97 |
| 'Yakae' | Kiusianum | evg |
Galle85 |
| 'Yakan' | Satsuki | evg |
SatDict97 |
| 'Yakata-no-tsuki' | Satsuki | evg |
Galle85 |
| yakuinsulare | Species | evg |
Galle85 |
| 'Yakumo' | Kurume | evg |
Galle85 |
| 'Yakura Yama' | Satsuki | evg |
Galle85 |
| 'Yakushin' | Satsuki | evg |
Galle85 |
| 'Yamabiko' | Satsuki | evg |
SatDict97 |
| 'Yamaji-no-tomoshiba' | Satsuki | evg |
Galle85 |
| 'Yamakawa-no-tsuki' | Satsuki | evg |
Galle85 |
| 'Yama-no-akebono' | Satsuki | evg |
Galle85 |
| 'Yama-no-haru' | Satsuki | evg |
Galle85 |
| 'Yama-no-hikari'1 | Satsuki | evg |
Galle85 |
| 'Yama-no-hikari'2 | Satsuki | evg |
SatDict97 |
| 'Yama-no-takara' | Satsuki | evg |
Galle85 |
| 'Yama-sen'e' see 'Bijo' | Satsuki | evg |
IRRC04 |
| 'Yama-shiro' see 'Edo-shiro' | Tsutsuji | evg |
IRRC04 |
| 'Yamashita-kozan' | Satsuki | evg |
SatDict97 |
| 'Yamato' | Satsuki | evg |
Galle85 |
| 'Yamato-no-hikari' | Satsuki | evg |
Galle85 |
| 'Yamato-no-kagayaki' | Satsuki | evg |
SatDict97 |
| 'Yamato-no-tsuki' | Satsuki | evg |
SatDict97 |
| 'Yama Tsutsuji' see kaempferi | Species | evg |
Galle85 |
| 'Yamauba' | Satsuki | evg |
SatDict97 |
| 'Yamayuri' | Satsuki | evg |
SatDict97 |
| 'Yankee Doodle' | Kaempferi | evg |
Galle85 |
| 'Yaquina' | Occidentale | dec |
Galle85 |
| 'Yaquina' | Slonecker | dec |
Galle85 |
| 'Yata-no-homare' | Satsuki | evg |
SatDict97 |
| 'Yata-no-kagami' | Satsuki | evg |
Galle85 |
| 'Yata-no-sai' | Satsuki | evg |
Galle85 |
| 'Yatsubusa-no-ushi' | Satsuki | evg |
Galle85 |
| 'Yatsubusa Seirin' | Satsuki | evg |
Galle85 |
| 'Yatsubusa Ukigami' | Satsuki | evg |
Galle85 |
| 'Yatsu Hashi' | Kurume | evg |
Galle85 |
| 'Yawara' | Satsuki | evg |
SatDict97 |
| 'Yawaragi' | Satsuki | evg |
SatDict97 |
| 'Yaye' | North Tisbury | evg |
Galle85 |
| 'Yaye Giri' see 'Yaye Hiryu' | Kurume | evg |
Galle85 |
| 'Yaye Hiryu' ('Scarlet Prince', 'Yaye Giri', Wilson #39) | Kurume | evg |
Galle85 |
| 'Yayoi-no-hikari' | Satsuki | evg |
Galle85 |
| 'Yayoi-no-tsuki' | Satsuki | evg |
Galle85 |
| yedoense (poukhanense var. yodogawa , Yodogawa Azalea, 'Botan Tsutsuji') | Species | evg |
Galle85 |
| yedoense var. poukhanense (poukhanense , 'Skiki Murasaki', Korean Azalea, 'Chosen-yama-tsutsuji') | Species | evg | Galle85 | p, b, b, t |
| yedoense var. poukhanense 'Alba' | Poukhanense | evg |
Roslyn04 |
| 'Yellow Ball' | Ilam | dec |
Galle85 |
| 'Yellow Beauty' see 'Ilam Yellow Beauty' | Ilam | dec |
Galle87 |
| 'Yellow Bird' | KH-Pride | dec |
Galle85 |
| 'Yellow Bouquet' | Mollis | dec |
Galle85 |
| 'Yellow Cloud' | KH-Hyatt | dec |
Galle85 |
| 'Yellow Delight' | Beasley | dec |
Galle87 |
| 'Yellow Giant' | EX-Pride | dec |
Galle85 |
| 'Yellow Giant' see 'Ilam Yellow Giant' | Ilam | dec |
Galle87 |
| 'Yellow Pom Pom' see 'Girard Yellow Pom Pom' | Girard | dec |
Galle85 |
| 'Yellow Prince' | Mollis | dec |
Galle85 |
| 'Yellow River' | | dec |
Galle85 |
| 'Yellow Sand' (#4) | Chinquapin Hill | dec |
Galle85 |
| 'Yellow Stars' | Girard | dec |
Galle85 |
| 'Yellow Surprise' | Beasley | dec |
Galle87 |
| 'Yellow van Tol' | Mollis | dec |
Galle87 |
| 'Yeoman' | Glenn Dale | evg |
Galle85 |
| 'Yes, Indeed' | Prinophyllum | dec |
Galle87 |
| 'Yezo Nishiki' | Kurume | evg |
Galle85 |
| 'Yin-shan-hung' see simsii | Species | evg |
Galle85 |
| Yodogawa Azalea see yedoense | Species | evg |
Galle85 |
| 'Yodo-no-hikari' | Satsuki | evg |
SatDict97 |
| 'Yoga' | KH-Waterer | dec |
Galle85 |
| 'Yohah' see 'Yonah Mountain' | Beasley | dec |
Transplant93 |
| 'Yoho' | Satsuki | evg |
SatDict83 |
| 'Yojo-no-kagayaki' | Satsuki | evg |
SatDict97 |
| 'Yokihi' | Satsuki | evg |
SatDict97 |
| 'Yoko' | Satsuki | evg |
SatDict97 |
| 'Yomei' | Satsuki | evg |
SatDict97 |
| 'Yomei' | Wada | evg |
Galle85 |
| 'Yomeimon' | Satsuki | evg |
SatDict97 |
| 'Yomei Nishiki' | Kurume | evg |
Galle85 |
| 'Yomo-no-haru' | Satsuki | evg |
SatDict97 |
| 'Yonah' see 'Yonah Mountain' | Beasley | dec |
Transplant93 |
| 'Yonah Mountain' ('Yohah', 'Yona', 'Yonah Mt.') | Beasley | dec |
Galle87 |
| 'Yonah Mt.' see 'Yonah Mountain' | Beasley | dec |
Galle85 |
| 'Yorei' | Satsuki | evg |
SatDict97 |
| 'Yori-kurenai' see 'O-guruma' | Tsutsuji | evg |
IRRC04 |
| 'Yorktowne' (A-17-G) | Gable | evg |
Galle87 |
| 'Yoro' | Kurume | evg | Galle85 | s |
| 'Yorokobi' | Satsuki | evg |
Galle85 |
| 'Yoro-no-hikari' | Satsuki | evg |
SatDict97 |
| 'Yorozo-no-kagami' | Satsuki | evg |
Galle85 |
| 'Yorozuyo' ('Purity', Wilson #4) | Kurume | evg |
Galle85 |
| 'Yoshimi' | Satsuki | evg |
Galle85 |
| 'Yoshi Migatake'1 | Kurume | evg |
Galle85 |
| 'Yoshi Migatake'2 | Kurume | evg |
Galle85 |
| 'Yoshimitsu' | Satsuki | evg |
Galle85 |
| 'Yoshino' | Chisolm-Merritt | evg |
Galle85 |
| 'Yoshi-no-hikari' | Satsuki | evg |
SatDict97 |
| 'Yoshino-no-tsuki' | Satsuki | evg |
SatDict97 |
| 'Yoshio Red' | | evg |
Steele03 |
| 'Yosoi' | Satsuki | evg |
Galle85 |
| 'Yosui' | Satsuki | evg |
SatDict97 |
| 'Youth' | Glenn Dale | evg | Galle85 | b |
| 'Yozakura' | Kurume | evg |
Galle85 |
| 'Yozakura' | Satsuki | evg |
Galle85 |
| 'Yubae' ('Yubai') | Kiusianum | evg |
IRRC04 |
| 'Yubai' see 'Yubae' | Kiusianum | evg |
Severe84 |
| 'Yubinishiki' | Satsuki | evg |
SatDict97 |
| 'Yufu Zakura' | Kiusianum | evg |
Galle85 |
| 'Yuge's Geisha' | Belgian Indian | evg |
Galle85 |
| 'Yugetsu' | Satsuki | evg |
Galle85 |
| 'Yugi Chimes' | Belgian Indian | evg |
Galle85 |
| 'Yugiri'1 see 'Gumpo Pink' | Satsuki | evg |
IRRC04 |
| 'Yugiri'2 see 'Koshoku' | Satsuki | evg |
IRRC04 |
| 'Yuho' | Satsuki | evg |
Galle85 |
| 'Yuho-no-hikari' | Satsuki | evg |
SatDict97 |
| 'Yuka' | North Tisbury | evg |
Galle85 |
| 'Yukachiko' (sp?) see 'Juhachiko' | Kurume | evg |
Galle85 |
| 'Yukata Yama' | Satsuki | evg |
Galle85 |
| 'Yukimusume' | Satsuki | evg |
SatDict97 |
| 'Yuki-no-akebone' | Satsuki | evg |
Galle87 |
| 'Yuki-no-hana' | Satsuki | evg |
SatDict97 |
| 'Yuki-no-moyojo' | Satsuki | evg |
Galle85 |
| 'Yukishiro' | Satsuki | evg |
Galle85 |
| 'Yukon' see 'Greenwood Yukon' | Greenwood | evg |
Galle87 |
| 'Yuko-no-haru' | Satsuki | evg |
SatDict97 |
| 'Yukumo' | Kurume | evg |
Galle85 |
| 'Yulda Schipp' see 'Julda Schipp' | Ghent | dec |
IRRC04 |
| 'Yuletide' | Kerrigan | evg |
Galle85 |
| 'Yume' | Satsuki | evg |
Galle85 |
| 'Yumegokoro' | Satsuki | evg |
SatDict97 |
| 'Yumekomachi' | Satsuki | evg |
SatDict97 |
| 'Yume-no-tsukasa' | Satsuki | evg |
SatDict83 |
| 'Yum Yum' | Lewis | evg |
Galle85 |
| 'Yung Gui Fei' | Chinese | evg |
Galle85 |
| 'Yunnan Jia-tao' | Chinese | evg |
Galle85 |
| 'Yuso' | Satsuki | evg |
SatDict97 |
| 'Yuta' | Satsuki | evg |
Galle85 |
| 'Yuugiri' | Kiusianum | evg |
Galle85 |
| 'Yuwai-no-tsuki' | Satsuki | evg |
Galle85 |
| 'Yuzenmoyo' | Satsuki | evg |
SatDict97 |
| 'Yuzuki' | Kiusianum | evg |
Galle85 |
| 'Yvonne' | Belgian Indian | evg |
Galle85 |
| 'Yvonne' | Carlson | dec |
Galle87 |
| 'Zampa' | Kaempferi | evg |
Galle85 |
| 'Zansetsu' | Satsuki | evg |
SatDict97 |
| 'Zanzibar' | Knap Hill | dec |
Galle85 |
| 'Zdena' | Kavka | evg |
Galle87 |
| 'Zealot' | Glenn Dale | evg | Galle85 | b |
| 'Zeelandia' | Mollis | dec |
Galle87 |
| 'Zeke's Pride' | Southern Indian | evg |
Galle85 |
| 'Zelma' | Satsuki | evg |
Greer04 |
| 'Zephyr' | Glenn Dale | evg | Galle85 | b |
| 'Zero' | Deerfield | evg |
Galle85 |
| 'Zetsurin' | Satsuki | evg |
Galle85 |
| 'Ziegelrot' see 'Frau Ursula Herrmann' | Belgian Indian | evg |
Galle85 |
| 'Zig Zag' | Greenwood | evg |
Galle85 |
| 'Zingari' | Glenn Dale | evg | Galle85 | b |
| 'Zodiac' (HS 85-41-01A) | Holly Springs | evg |
Vines90 |
| 'Zuigetsu' | Satsuki | evg |
Galle85 |
| 'Zuiho-no-hikari' | Satsuki | evg |
SatDict97 |
| 'Zuiko' | Kiusianum | evg |
Galle85 |
| 'Zuio' | Satsuki | evg |
Galle85 |
| 'Zuishi' | Satsuki | evg |
SatDict97 |
| 'Zulu' | Glenn Dale | evg | Galle85 | b |