| Cultivar | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
| 'American Misty' | Large | Blue/Green | Medial | Greenish White | Nat-Sport | Near-White | July into August | Wade, Van | .2005 |
| 'Aqua Velva' | Large | Blue/Green | - | - | Hybrid | Pale-Lavender | July into August | Vaughn, Kevin | .1983 |
| 'Big Daddy' | Large | Blue/Green | - | - | Nat-Sport | Pure-White | June into July | Shaw, Florence | .1978 |
| 'Big Mama' | Large | Blue/Green | - | - | Hybrid | Near-White | - | Shaw, Florence | .1978 |
| 'Blue Angel' | Giant | Blue/Green | - | - | Hybrid | Pure-White | - | Shaw, Florence | .1986 |
| 'Blue Frost' | Giant | Blue/Green | - | - | Unknown | Near-White | June into July | Nesmith, Elizabeth & AHS | .1986 |
| 'Blue Mammoth' | Giant | Blue/Green | - | - | Unknown | Near-White | June into July | Aden, Paul & Ruh, Peter & Jean | .2010 |
| 'Blue Pearl' (Krossa) | Medium | Blue/Green | - | - | Unknown | Near-White | July | Holland(unknown) & Krossa, Gus | --NR-- |
| 'Blue Rock' | Giant | Blue/Green | - | - | Unknown | Near-White | June into July | Fisher, Eunice V. & Stone, David | .1986 |
| 'Bressingham Blue' | Large | Blue/Green | - | - | Hybrid | Near-White | June into July | Bloom, Alan | .1984 |
| 'Brigham Blue' (Ruh) | Medium | Blue/Green | - | - | Unknown | Pale-Lavender | July into August | Ruh, Peter | .2002 |
| 'Brookwood Blue' | Large | Blue/Green | - | - | Hybrid | Near-White | July | Fraim, Leola & Ruh, Peter | .1991 |
| 'Century One' | Large | Blue/Green | - | - | Hybrid | Near-White | June into July | Moldovan, Steve | .1983 |
| 'Clarence' | Medium | Blue/Green | - | - | Hybrid | Near-White | June into July | Simpers, Lucille | .1996 |
| 'Cool Change' | Large | Yellow | - | - | Hybrid | Near-White | June into July | Kuk, Bob | .1995 |
| 'Devon Giant' | Giant | Blue/Green | - | - | Hybrid | Near-White | July into August | Bowden, Roger | .2019 |
| 'Edina Heritage' | Large | Blue/Green | - | - | Hybrid | Pale-Lavender | - | Savory, Robert | .1987 |
| 'Elegans' | Giant | Blue/Green | - | - | Unknown | Pale-Lavender | June into July | Arends, George & AHS | .1987 |
| 'Fond Hope' | Large | Blue/Green | - | - | Hybrid | Near-White | June into July | Fisher, Eunice V. | .1973 |
| 'Gallant Heart' | Large | Blue/Green | - | - | Hybrid | Near-White | June into July | Powell, Loleta & Walek, Kevin | .2009 |
| 'Golden Sunburst' | Giant | Yellow | - | - | Nat-Sport | Near-White | June into July | Eisel, Mervin & AHS | .1984 |
| 'Gray Cole' | Giant | Blue/Green | - | - | Hybrid | Near-White | June | Gray and Cole Nursery & Kuk, Bob | .1985 |
| H. sieboldiana var hypophylla | | | | | xDuplicate | | | Duplicate Name | |
| 'Housatonic' | Large | Blue/Green | - | - | Unknown | Near-White | June | Payne, Henry | .1976 |
| 'Jay Jay' | Giant | Blue/Green | - | - | Hybrid | Near-White | June into July | Grullemans, John J. & Ruh, Peter | .1994 |
| 'Jumbo' | Giant | Blue/Green | - | - | Hybrid | Near-White | June into July | Meissner, O. & Ruh, Peter | .1997 |
| 'June Beauty' | Large | Blue/Green | - | - | Unknown | Near-White | June into July | Wayside Gardens & AHS | .1986 |
| 'Kiwi Pacific Blue' | Medium | Blue/Green | - | - | Hybrid | Pale-Lavender | June | Sligh, Barry | .1999 |
| 'Lake Louise' | Large | Blue/Green | - | - | Hybrid | Near-White | June into July | Minks, Eldren | .1975 |
| 'Lakeport Blue' | Large | Blue/Green | - | - | Unknown | Near-White | June | Tompkins, Chet | .1984 |
| 'Marge' | Medium | Blue/Green | - | - | Hybrid | Near-White | June into July | Simpers, Lucille & Soules, Marge | .1996 |
| 'Mischief' | Large | Blue/Green | - | - | Unknown | Near-White | June | Duback, Robyn | .1998 |
| 'Misty Waters' | Large | Blue/Green | - | - | Unknown | Near-White | July into August | Fisher, Eunice V. | .1986 |
| 'Mohegan' | Large | Blue/Green | - | - | Unknown | Near-White | June | Megos, Stan & Malloy, Alex | .1998 |
| 'Nathan Hale' | Large | Blue/Green | - | - | Unknown | Near-White | June into July | Rocknell Nursery & Walek, Kevin | .2009 |
| 'Paradise King' | Large | Blue/Green | - | - | Unknown | Near-White | June into July | Fransen, Marco | --NR-- |
| 'Perry's True Blue' | Large | Blue/Green | - | - | Hybrid | Near-White | June | Gruelleman, J. & Hofer, Paul & Linda & Ruh, Peter | .1981 |
| 'Polly Bishop' | Large | Blue/Green | - | - | Hybrid | Near-White | June into July | Vaughn, Kevin | .1977 |
| 'Quilted Hearts' | Large | Blue/Green | - | - | Hybrid | Near-White | June into July | Soules, Marjorie | .1989 |
| 'Richmond Blue' | Large | Blue/Green | - | - | TC Sport | Near-White | June into July | Zumbar, Wm & Walek, Kevin | .2009 |
| 'Ridges' | Large | Blue/Green | - | - | Hybrid | Near-White | July | Fisher, Eunice V. | --NR-- |
| 'Ryan's Big One' | Giant | Blue/Green | - | - | Hybrid | Near-White | June into July | Englerth, Lawrence & Ryan | .1982 |
| 'Samurai' | Large | Blue/Green | Marginal | Yellow | Nat-Sport | Near-White | June into July | Unknown & Zilis, Mark | .2010 |
| 'Sea Blue' | Large | Blue/Green | - | - | Hybrid | Near-White | June into July | Seaver, Mildred | .1978 |
| 'Sea Blue Monster' | Large | Blue/Green | - | - | Hybrid | Near-White | June into July | Seaver, Mildred | .2009 |
| 'Silver Anniversary' | Giant | Blue/Green | - | - | Unknown | Near-White | June | O'Harra, Russ | .1999 |
| 'Silver Award' | Giant | Blue/Green | - | - | Hybrid | Near-White | July into August | Fisher, Eunice V. & AHS | .1986 |
| 'Sturtevant' | Large | Blue/Green | - | - | Unknown | - | - | Sturtevant, Grace & Williams, Frances & Ruh, Peter | .2005 |
| 'Super Nova' | Large | Blue/Green | Medial | Yellow | TC Sport | Near-White | June into July | Zilis, Mark | .1999 |
| 'Trail's End' | Large | Blue/Green | - | - | Unknown | Near-White | June | Ruh, Peter | .1978 |
| 'Versailles Blue' | Giant | Blue/Green | - | - | Unknown | Near-White | June into July | Tompkins, Chet & Ruh, Peter | .2000 |
| 'Willy Nilly' | Giant | Blue/Green | - | - | Unknown | Near-White | June into July | Holly, Gladys & Ruh, Peter | .1998 |
| 'Zager Giant Puckered' | Giant | Light-Green | - | - | Unknown | Near-White | June into July | Zager, Herbert A. & Ruh, Peter | .1989 |
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