| Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
| 'Blue Frost' | Giant | Blue/Green | | | Unknown | Near-White | June into July | Nesmith, Elizabeth & AHS | .1986 |
| 'Bonanza' | Large | Dark-Green | | | Unknown | Med-Lavender | July | Nesmith, Elizabeth & Ruh, Peter | .1997 |
| 'Innovation' | Medium | Dark-Green | | | Hybrid | Pure-White | | Nesmith, Elizabeth & Ruh, Peter | .1996 |
| 'Leviathan' | Giant | Blue/Green | | | Hybrid | Near-White | June into July | Nesmith, Elizabeth & AHS | .1986 |
| 'Nesmith Giant' | Giant | Dark-Green | | | Hybrid | Near-White | June | Nesmith, Elizabeth & Ruh, Peter | .1994 |
| 'Rippling Waves' | Giant | Dark-Green | | | Hybrid | Pale-Lavender | June into July | Nesmith, Elizabeth & AHS | .1986 |
| 'Silver Tips' | | Med-Green | Marginal | White | Unknown | | | Nesmith, Elizabeth | --NR-- |
| 'Sunlight Sister' | Large | Light-Green | | | Unknown | Near-White | June | Nesmith, Elizabeth & AHS | .1986 |
|