| No. | Cultivar Name | Source | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Registered |
|
1
| 'National Forest' | Goodwin, Randy | Small | Light-Green | Marginal | White | Unknown | - | - | --NR-- |
|
2
| 'National Treasure' | Goodwin, Randy | Miniature | Dark-Green | Marginal | White | Unknown | - | - | .2009 |
|
3
| 'Neat and Tidy' | Simpers, Lucille | Large | Blue/Green | - | - | Hybrid | Pale-Lavender | July | .1980 |
|
4
| 'Niagara Falls' | Brincka, Wm & Petryszyn, 0lga | Giant | Med-Green | - | - | Hybrid | Pale-Lavender | July | .1991 |
|
5
| 'Nightcrawler' | Nyikos, Frank | Small | Dark-Green | Marginal | White | Hybrid | Med-Lavender | July into August | .2021 |
|
6
| 'No Frills' | Simpers, Lucille & Ruh, Peter | Medium | Blue/Green | - | - | Hybrid | Near-White | July | .1991 |
|
7
| 'Northern Hemisphere' | Nyikos, Frank | Medium | Dark-Green | | - | Hybrid | Pale-Lavender | July | .2019 |
|
8
| 'Nuestra Señora de Atocha' | Goodwin, Randy | Medium | Yellow | - | - | Hybrid | Pale-Lavender | June into July | .2009 |
|