| Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
| 'Baby Blanket' | Medium | Light-Green | | - | Hybrid | Pale-Lavender | July | Kwick, Charles | .2020 |
| 'Badge of Glory' | Large | Med-Green | Marginal | Yellow | Sport | Near-White | June into July | Schwarz, Jim & Zilis, Mark | .2012 |
| 'Baltimore Oriole' | Large | Med-Green | Marginal | White | Unknown | - | - | Williams, Glenn | --NR-- |
| 'Banana Banner' | Large | - | - | - | Sport | Pale-Lavender | July | Unknown | --NR-- |
| 'Battle Star' | Medium | Med-Green | Marginal | Yellow | Unknown | Light-Purple | June into July | Goodwin, Randy | .2006 |
| 'Beam Me Up Scotty' | Large | Dark-Green | Streaked | White | Sport | Pale-Lavender | July into August | Schwarz, Jim | .2012 |
| 'Bear Necessities' | Large | Dark-Green | - | - | Sport | - | July into August | Solberg, Robert | --NR-- |
| 'Because of Art' | Medium | Dark-Green | - | - | Hybrid | Pale-Lavender | September | Finke, Chuck & Ternes, Nick | .2018 |
| 'Belle Vernon Pride' | Large | Blue/Green | - | - | Unknown | Med-Lavender | August to September | Zolock, Steve & Zolock, Sarah | .2008 |
| 'Benedict's Folly' | Large | Med-Green | - | - | Unknown | - | - | Benedict, Dr Ralph (Herb) | --NR-- |
| 'Best in Town' | Large | Blue/Green | Streaked | Yellow | TC Sport | Pale-Lavender | June into July | Solberg, Robert & Van Eechaute, Danny | .2014 |
| 'Beyond Glory' | Large | Dark-Green | Medial | Yellow | TC Sport | Light-Purple | July | Hansen, Hans & Walters Gardens | .2018 |
| 'Big Bad John' | Large | Dark-Green | Marginal | Yellow | Hybrid | Pale-Lavender | June into July | Elslager, Ed | .2005 |
| 'Big Beauty' | Giant | Med-Green | Marginal | White | Hybrid | Pale-Lavender | June into July | de Rooij, Piet | .2015 |
| 'Big Point' | Medium | Med-Green | Marginal | Yellow | Sport | Pale-Lavender | June into July | Powell, Loleta | .2013 |
| 'Big Time' | Large | Med-Green | Marginal | Yellow | Hybrid | Pure-White | July into August | Drury, R. | .2019 |
| 'Biting Rosebud' | Large | Dark-Green | Streaked | White | Unknown | - | - | Crockett, Clyde | --NR-- |
| 'Black Limerick' | Medium | Blue/Green | - | - | Unknown | Near-White | June into July | Simpers, Lucille | --NR-- |
| 'Black Thunder' | Large | Dark-Green | Medial | White | Sport | Pale-Lavender | July into August | Schwarz, Jim & Schwarz, Karen & Zilis, Mark | .2014 |
| 'Blaue Ruh' | Large | Blue/Green | - | - | Unknown | Pale-Lavender | July | Sugita, Hajime & Ruh, Peter | .2003 |
| 'Blaue Venus' | Medium | Blue/Green | - | - | Unknown | Pale-Lavender | July into August | Klose, Heinz & Ruh, Peter & Ruh, Jean | .2003 |
| 'Blaufink' | Large | Blue/Green | - | - | Unknown | Pale-Lavender | August | Klose, Heinz & Ruh, Peter & Ruh, Jean | .2003 |
| 'Blaze of Glory' | Large | Yellow | - | - | Hybrid | Near-White | - | Elslager, Ed | .1999 |
| 'Blue Cadet Streaked' | Medium | Dark-Green | Streaked | Yellow | Nat-Sport | Med-Lavender | July | Unknown | --NR-- |
| 'Blue Eagle' | Giant | Blue/Green | - | - | Hybrid | Near-White | June into July | Lydell, Ransom | --NR-- |
| 'Blue Kachina' | Large | Blue/Green | | - | Unknown | - | - | Unknown | --NR-- |
| 'Blue Melody' | Small | Blue/Green | - | - | Unknown | - | - | Benedict, Dr Ralph (Herb) | --NR-- |
| 'Blue Mountains' | Large | Blue/Green | - | - | Hybrid | Near-White | June | Warmerdam, Piet & The American Hosta Society | .2020 |
| 'Blue Music' | Large | Blue/Green | Streaked | Yellow | Sport | Near-White | June into July | Ruh, Peter & Ruh, Jean | .2001 |
| 'Blue Pointer' | Large | Blue/Green | - | - | Hybrid | Near-White | June into July | Zilis, Mark | .2010 |
| 'Blue Ribbon' | Large | Blue/Green | - | - | Unknown | - | July into August | Schulz, Ed | .2012 |
| 'Blue Shimmer' | Large | Blue/Green | - | - | Unknown | - | - | Tompkins, Chet | --NR-- |
| 'Blue Spanish Eyes' | Large | Dark-Green | Marginal | White | Hybrid | Near-White | June into July | Elslager, Ed | .2002 |
| 'Blue Tinge' | Small | Blue/Green | Medial | Yellow | Hybrid | Med-Lavender | July into August | Phillips, Leonard | .2009 |
| 'Blueberry Swirl' | Large | Med-Green | Streaked | Yellow | Unknown | Near-White | July into August | Benedict, Dr Ralph (Herb) & Benedict, Dorothy & Kuenster, Rod | .2010 |
| 'Bluestone' | Large | Blue/Green | - | - | Hybrid | Med-Lavender | June into July | Ruh, Jean | .2010 |
| 'Bocka' | Medium | Blue/Green | - | - | Unknown | Med-Lavender | July | Squires, Keith & Ruh, Peter | .1999 |
| 'Bohemia Baloo' | Large | Med-Green | Marginal | Yellow | Unknown | | | Mirka, Vladimir | --NR-- |
| 'Bohemia Blues for Greeny' | Medium | Light-Green | | | Unknown | | | Mirka, Vladimir | --NR-- |
| 'Bohemia Flash Gordon' | Large | Dark-Green | Streaked | White | Unknown | | | Mirka, Vladimir | --NR-- |
| 'Bohemian Queen' | Large | Light-Green | | - | Hybrid | Pale-Lavender | July into August | Bowe, Dave | .2020 |
| 'Bold and Beautiful' | Large | Light-Green | Medial | White | Hybrid | Med-Lavender | June into July | Elslager, Ed | .2002 |
| 'Boracay' | Medium | Light-Green | Marginal | White | Sport | Pale-Lavender | June into July | Van den Top, Jan & Van Eechaute, Danny | .2008 |
| 'Border Favourite' | Small | Dark-Green | Marginal | Yellow | TC Sport | Pale-Lavender | June | Van den Top, Jan | .2004 |
| 'Bowflecks' | Medium | Dark-Green | Marginal | Speckles | Hybrid | Med-Lavender | July into August | Bowe, Dave | .2021 |
| 'Breeder's Choice Margined' | Medium | Med-Green | Marginal | White | Sport | Med-Lavender | June into July | Unknown | --NR-- |
| 'Brilliant Sunset' | Medium | Dark-Green | Marginal | White | Sport | Near-White | June into July | Elslager, Ed | .2005 |
| 'Bri-Sun' | Medium | Yellow | - | - | Unknown | - | July into August | McHugh, Ed | .2015 |
| 'Brocade' | Small | Yellow | - | - | Hybrid | Near-White | September | Goodwin, Randy | .2013 |
| 'Brodie's Bonanza' | Small | Light-Green | - | - | Hybrid | Pale-Lavender | September | Goodwin, Randy | .2013 |
| 'Brother Don' | Medium | Med-Green | | - | Hybrid | Near-White | July | Kwick, Charles | .2020 |
| 'Brutus Buckeye' | Giant | Med-Green | - | - | Unknown | - | June into July | Wade, Van & Ward, Dr Dick & Ward, Jane | .2015 |
| 'Bubble Dance' | Medium | Med-Green | Streaked | Speckles | Sport | Near-White | June into July | Anderson, Marlys & McHugh, Ed | .2016 |
| 'Buffalo Amber Waves' | Miniature | Yellow | - | - | Sport | - | August to September | Zubrik, Milan & Zubrik, Dana | .2016 |
| 'Buffalo Designer Genes' | Small | Yellow | | - | Hybrid | Deep-Purple | June into July | Zubrik, Milan & Zubrik, Dana | .2020 |
| 'Burgundy Bermudas' | Medium | Light-Green | - | - | Hybrid | Light-Purple | August to September | Goodwin, Randy | .2013 |
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