Cultivar NameSourcePlant SizeLeaf ColorVariegationVar ColorOriginFlower ColorSeasonRegistered
'Nagaba'Unknown----Hybrid----NR--
'Nagaba Musashino'UnknownMediumMed-Green--UnknownLight-PurpleAugust to September--NR--
'Nagaeto'Ruh, Peter & JeanMediumLight-Green--UnknownLight-Purple-.2010 .2018
'Nagasaki Gibōshi'Duplicate Name----Duplicate----NR--
'Nagasu'Fukatsu, ShinyaMiniatureLight-Green- Hybrid----NR--
'Nakafu Kiyosumi'UnknownMediumLight-Green--Nat-SportPale-LavenderJuly--NR--
'Nakafu Nagaba Mizu'UnknownMiniatureMed-Green- Nat-SportPale-LavenderSeptember--NR--
'Nakafu Tsugaru Komachi'Watanabe, KenjiSmallYellowMarginalGreenNat-SportLight-PurpleJuly into August--NR--
'Nakafu', H. cathayanaDuplicate Name----Duplicate----NR--
'Nakafu', H. kiyosumiensisDuplicate Name- - Duplicate   
'Nakafu', H. longissima longifoliaDuplicate Name- - Duplicate   
'Nakai', H. clausaUnknown----Nat-Sport----NR--
'Nakai', H. rectifoliaUnknownSmallMed-GreenMarginalCreamy WhiteUnknown----NR--
'Nakaimo'Imperial Botanic Garden Tokyo & AHSLargeMed-Green--HybridMed-LavenderJuly.1986
'Nakatsu'Hirose, YoshimichiSmallMed-GreenMarginalWhiteHybrid----NR--
'Nambu Musou'UnknownLargeMed-GreenMarginalWhiteUnknown----NR--
'Nameru Gibōshi'Duplicate Name----Duplicate----NR--
'Namichidori'UnknownMediumMed-Green--UnknownLight-PurpleAugust--NR--
'Namichidori'UnknownSmallMed-GreenMarginalWhiteUnknown----NR--
'Nankai'Duplicate Name----Duplicate----NR--
'Nankai Gibōshi'Duplicate Name----Duplicate----NR--
'Nasu Nishiki'Tanaka, KatsuyoshiMediumMed-GreenStreakedYellowUnknown----NR--
'Nasu-no-haru'UnknownMediumDark-GreenMarginalWhiteUnknown----NR--
'Nasu-no-homare'Unknown----Unknown----NR--
'Naugoku Hort'Unknown-Blue/Green--Unknown----NR--
'Neutrino'Zilis, MarkMiniatureMed-GreenMarginalWhiteHybridLight-PurpleJuly.2011
'Nikazaki Mizu'UnknownMediumMed-Green--Nat-SportLight-Purple---NR--
'Nikazaki', H. longissimaDuplicate Name- - Duplicate   
'Nikkō'UnknownMiniature---Unknown----NR--
'Nikkou'UnknownSmallMed-GreenMarginalWhiteHybridLight-PurpleJuly--NR--
'Niko'UnknownLargeMed-GreenMarginalYellowNat-SportPale-LavenderJuly--NR--
'Nioi-No-Mai'Unknown----UnknownMed-Lavender---NR--
'Nishi Neko'UnknownMediumMed-GreenStreakedWhiteUnknown----NR--
'Nishikigawa'Hirose, YoshimichiSmallMed-GreenMarginalWhiteHybridLight-PurpleJuly--NR--
'Nokogiriyama'Unknown & Ruh, PeterLargeDark-Green--UnknownPale-LavenderJuly into August.2006 .2018
'Nokon-no-Yuki'Duplicate Name----Duplicate----NR--

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