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Unknown OriginatorPlant SizeLeaf ColorVariegationVar ColorOriginFlower ColorSeasonRegistered
'Nagaba'----Duplicate----NR--
'Nagaba Musashino'MediumMed-Green--UnknownLight-PurpleAugust to September--NR--
'Nakafu Kiyosumi'MediumLight-Green--Nat-SportPale-LavenderJuly--NR--
'Nakafu Nagaba Mizu'MiniatureMed-Green- Nat-SportPale-LavenderSeptember--NR--
'Nakai', H. clausa----Nat-Sport----NR--
'Nakai', H. rectifoliaSmallMed-GreenMarginalCreamy WhiteUnknown----NR--
'Nambu Musou'LargeMed-GreenMarginalWhiteUnknown----NR--
'Namichidori'MediumMed-Green--UnknownLight-PurpleAugust--NR--
'Namichidori'SmallMed-GreenMarginalWhiteUnknown----NR--
'Nanci'LargeBlue/Green--Hybrid----NR--
'Nancy Krul'----Unknown----NR--
'Nasu-no-haru'MediumDark-GreenMarginalWhiteUnknown----NR--
'Nasu-no-homare'----Unknown----NR--
'National Arboretum'SmallMed-GreenMarginalWhiteUnknownLight-Purple---NR--
'Naughty Niece'    Unknown   
'Naugoku Hort'-Blue/Green--Unknown----NR--
'Near Miss' Dark-Green  Unknown  --NR--
'Netta Statham'MediumMed-GreenMedialYellowNat-SportLight-PurpleJuly--NR--
'Nicole'SmallLight-Green--Unknown----NR--
'Nikazaki Mizu'MediumMed-Green--Nat-SportLight-Purple---NR--
'Nikkō'Miniature---Unknown----NR--
'Nikkou'SmallMed-GreenMarginalWhiteHybridLight-PurpleJuly--NR--
'Niko'LargeMed-GreenMarginalYellowNat-SportPale-LavenderJuly--NR--
'Nina Ricci'SmallMed-Green--Unknown----NR--
'Nina Smiles'MediumLight-Green--Unknown----NR--
'Nine O'Clock'----Unknown----NR--
'Nioi-No-Mai'----UnknownMed-Lavender---NR--
'Nirvana'MediumMed-GreenMarginalYellowUnknown----NR--
'Nishi Neko'MediumMed-GreenStreakedWhiteUnknown----NR--
'Noble Nirvana'-Med-Green--Hybrid----NR--
'Nokogiriyama'LargeDark-Green--UnknownPale-LavenderJuly into August.2006 .2018
'North Star'MediumMed-GreenMarginalWhiteUnknown----NR--
'Northern Beauty'MediumMed-GreenMarginalWhiteUnknown----NR--
'Northern Touch'LargeYellow--Nat-SportNear-WhiteJuly--NR--
'Nu Star'----Unknown----NR--
'Nyikos'MediumBlue/Green--Unknown----NR--

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