No. | Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
1
| 'Natalie' | Large | Blue/Green | - | - | Sport | Pale-Lavender | July into August | Silvers, Bill | .2002 |
2
| 'Neptune' | Large | Blue/Green | - | - | Hybrid | Pale-Lavender | August to September | Hansen, Hans | .2006 |
3
| 'Night Music' | Medium | Blue/Green | - | - | Unknown | - | June into July | Ward, Dr Dick & Ward, Jane | .2009 |
4
| 'Night Train' | Large | Blue/Green | - | - | Unknown | - | June into July | Ward, Dr Dick & Ward, Jane | .2005 |
5
| 'North Pacific High' | Large | Blue/Green | - | - | Unknown | - | - | Tompkins, Chet & Ruh, Peter & Ruh, Jean | .2001 |
6
| 'North Point' | Medium | Blue/Green | - | - | Unknown | - | - | Lydell, Ransom | .1998 |
7
| 'Nuki Girl' | Large | Blue/Green | - | - | Unknown | - | July into August | Schmidt, Bevie | .2009 |
8
| 'Rock'n'Roll Heart' | Large | Blue/Green | - | - | Unknown | - | - | Port, Linda | --NR-- |
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