| Cultivar | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
| 'Aardvark' | Large | Light-Green | Medial | Blue-Green | Hybrid | Near-White | July into August | Savory, Dennis | .1991 |
| 'Birchwood Parky's Blue' | Small | Blue/Green | - | - | Unknown | Near-White | June into July | Shaw, Florence | .1986 |
| 'Blue Dome' | Large | Blue/Green | - | - | Hybrid | Pale-Lavender | July | Minks, Eldren | .1980 |
| 'Blue Fan Dancer' | Medium | Blue/Green | - | - | Unknown | Pure-White | June into July | Aden, Paul | .1976 |
| 'Blue for You' | Medium | Blue/Green | - | - | Hybrid | Near-White | June into July | Benedict, Dr Ralph (Herb) | .1991 |
| 'Blue Horizon' | Medium | Blue/Green | - | - | Hybrid | Near-White | June into July | Englerth, Lawrence | .1985 |
| 'Blue Tiers' | Giant | Blue/Green | - | - | Hybrid | - | - | Aden, Paul | .1976 |
| 'Blue Troll' | Medium | Blue/Green | - | - | Hybrid | Near-White | June into July | Savory, Robert | .1973 |
| 'Blue Velvet' | Medium | Blue/Green | - | - | Hybrid | Near-White | June into July | Aden, Paul | .1976 |
| 'Bluebird' | Medium | Blue/Green | - | - | Unknown | Near-White | June into July | Savory, Robert | .1985 |
| 'Carder Blue' | Medium | Blue/Green | - | - | Unknown | Near-White | June into July | Carder, Ellen & AHS | .1986 |
| 'Dorothy's Brass Band' | Medium | Yellow | - | - | Unknown | - | June into July | Benedict, Dr R. (Herb) & Walek, Kevin | .2009 |
| 'Gretchen Harshbarger' | Medium | Blue/Green | Marginal | Yellow | Unknown | - | - | Benedict, Dr Ralph (Herb) | .1997 |
| 'Gunther' | Medium | Blue/Green | Streaked | Yellow | Hybrid | Near-White | July into August | Benedict, Dr R. (Herb) & Kuenster, Rod | .2010 |
| 'Happiness' | Medium | Blue/Green | - | - | Unknown | Pale-Lavender | July into August | Smith, Eric & BHHS | .1988 |
| 'I'm So Blue' | Large | Blue/Green | - | - | Unknown | Near-White | June | Schwarz, Jim | .1999 |
| 'Julia Hardy' | Large | Blue/Green | - | - | Hybrid | Near-White | July | Aden, Paul | .1978 |
| 'Krinkled Joy' | Large | Blue/Green | - | - | Hybrid | Near-White | June into July | Arett, Anne & Armstrong, Maxine & AHS | .1986 |
| 'Lady in Waiting' | Large | Blue/Green | - | - | Hybrid | Near-White | July | Arett, Anne | .1980 |
| 'Love Pat' | Large | Blue/Green | - | - | Hybrid | Pale-Lavender | - | Shaw, Florence & Aden, Paul | .1978 |
| 'Moscow Blue' | Large | Blue/Green | - | - | Unknown | Near-White | July into August | Arett, Anne & AHS | .1986 |
| 'Osprey' | Medium | Blue/Green | - | - | Unknown | Pure-White | June into July | Smith, Eric & BHHS | .1988 |
| 'Peek-A-Boo' | Large | Blue/Green | - | - | Hybrid | Near-White | June into July | Aden, Paul | .1976 |
| 'Quilted Cup' | Large | Blue/Green | - | - | Unknown | Near-White | - | Minks, Eldren | .1980 |
| 'Rabinau' | - | - | - | - | xDuplicate | - | - | Rabinau | --NR-- |
| 'Samuel Blue' | Large | Blue/Green | - | - | Unknown | Near-White | June into July | Krossa, Gus & Ruh, Peter | .1981 |
| 'Skookumchuck' | Large | Blue/Green | - | - | Unknown | Near-White | June | Duback, Robyn | .1998 |
| 'Tokudama' | Medium | Blue/Green | - | - | Unknown | Near-White | June into July | Unknown | --NR-- |
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