| Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
| 'Nagaba Musashino' | Medium | Med-Green | - | - | Unknown | Light-Purple | August to September | Unknown | --NR-- |
| 'Nagaeto' | Medium | Light-Green | - | - | Unknown | Light-Purple | - | Ruh, Peter & Ruh, Jean | .2010 .2018 |
| 'Nanc' | Small | Med-Green | Streaked | White | Unknown | - | July into August | Snyder, Ron | .2003 |
| 'Nancy' | Small | Light-Green | - | - | Unknown | Pale-Lavender | August | Tower, Alan | .2005 |
| 'Nano' | Miniature | Med-Green | - | - | Hybrid | Near-White | June into July | Gilligan, Madelon | .2017 |
| 'Nasu-no-haru' | Medium | Dark-Green | Marginal | White | Unknown | - | - | Unknown | --NR-- |
| 'Nathan's Legacy' | Small | Light-Green | - | - | Unknown | - | July into August | Zolock, Steve & Zolock, Sarah | .2007 |
| 'Netzwerk' | Small | Med-Green | Streaked | White | Unknown | - | August to September | Scholz, Johannes | .2016 |
| 'New Kid on the Block' | Large | Med-Green | Marginal | Yellow | Nat-Sport | Near-White | July | Lysne, Rod | .2021 |
| 'Ngaire Dawn' | Large | Med-Green | - | - | Hybrid | Near-White | July into August | Gilligan, Madelon | .2013 |
| 'Nick Balash' | Medium | Dark-Green | - | - | Unknown | Light-Purple | July into August | Owens, Clarence | .1994 |
| 'Nokogiriyama' | Large | Dark-Green | - | - | Unknown | Pale-Lavender | July into August | Unknown & Ruh, Peter | .2006 .2018 |
| 'Norma's Afternoon' | Medium | Dark-Green | | - | Unknown | Pale-Lavender | July into August | Hicks, Gerry & Starr, R. | .2019 |
| 'North Wind' | Medium | Dark-Green | Marginal | White | Sport | - | July into August | Wilson, Chris | .2008 |
| 'Northern Iowa Wrestling' | Medium | Med-Green | Streaked | White | Unknown | - | June into July | Freeman, Franc | .2012 |
| 'Now' | Medium | Dark-Green | Medial | Yellow | Unknown | - | - | Benedict, Dr Ralph (Herb) & Kuenster, Rod | .2010 |
| 'Now and Then' | Medium | Med-Green | Streaked | Yellow | Unknown | - | - | Benedict, Dr Ralph (Herb) & Kuenster, Rod | .2010 |
| 'Nuestra Señora de Atocha' | Medium | Yellow | - | - | Hybrid | Pale-Lavender | June into July | Goodwin, Randy | .2009 |
| 'Razz'n Rick' | Large | Med-Green | Streaked | Yellow | Unknown | - | August to September | Schmidt, Bevie | .2009 |
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