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 | - | - | Hybrid | 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 |
'Loving Cup' | Large | Blue/Green | - | - | Hybrid | - | - | Armstrong, Maxine | .1970 |
'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 |
'Puckered Giant' | Large | Blue/Green | - | - | Hybrid | Near-White | June into July | Powell, Loleta | .1983 |
'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 Puckered' | - | - | - | - | xDuplicate | - | - | Duplicate Name | --NR-- |
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