| Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
| 'Bachelor Party' | Medium | Med-Green | Marginal | White | Sport | Deep-Purple | July | Zilis, Mark & Schwarz, Jim | .2011 |
| 'Backyard Monster' | Large | Med-Green | Marginal | White | Unknown | Near-White | June | Schwarz, Jim | .2007 |
| 'Baja White' | Small | Dark-Green | - | - | Sport | - | August to September | Zilis, Mark | .2010 |
| 'Ballerina' | Medium | Med-Green | - | - | Hybrid | Pure-White | July | Savory, Robert | .1982 |
| 'Banana Pepper' | Large | Light-Green | - | - | Unknown | - | - | Hackbarth, Robert | .2015 |
| 'Barbara' | Medium | Blue/Green | - | - | Unknown | Light-Purple | July | Stone, David & Ruh, Peter | .1987 |
| 'Barndance' | Large | Yellow | Streaked | Speckles | Unknown | Pale-Lavender | July into August | Port, Linda | .2013 |
| 'Bayside Regal' | Medium | Dark-Green | - | - | Hybrid | Light-Purple | July into August | Hicks, Gerry | .2015 |
| 'Beauty Queen' | Large | Blue/Green | - | - | Hybrid | - | August to September | Schmidt, Bevie | .2009 |
| 'Becky's Choice' | Medium | Blue/Green | - | - | Hybrid | - | July into August | Zilis, Mark | .2010 |
| 'Beet Salad' | Small | Med-Green | - | - | Hybrid | Deep-Purple | July | Solberg, Robert | .2009 |
| 'Bellbird' | Medium | Med-Green | - | - | Hybrid | Med-Lavender | June into July | Dawber, Robert & Gilligan, Madelon | .2015 |
| 'Belle Of The Ball' | Medium | Med-Green | - | - | Hybrid | Pale-Lavender | August | Sugita, Hajime & Ruh, Peter | .1998 |
| 'Bellevue' | Medium | Dark-Green | - | - | Hybrid | Med-Lavender | July into August | Van Eechaute, Danny | .2013 |
| 'Bellville' | Medium | Med-Green | Marginal | Yellow | Hybrid | Near-White | June into July | Wade, Van & Ward, Dr Dick & Ward, Jane | .2015 |
| 'Bellville Magic' | Large | Dark-Green | - | - | Hybrid | Pale-Lavender | June into July | Ward, Dr Dick & Ward, Jane | .2015 |
| 'Ben' | Giant | Med-Green | - | - | Unknown | - | July into August | Zilis, Mark & Schwarz, Jim | .2015 |
| 'Benedict's Folly' | Large | Med-Green | - | - | Unknown | - | - | Benedict, Dr Ralph (Herb) | --NR-- |
| 'Benedict's Jelly Bean' | Medium | Blue/Green | - | - | Unknown | - | July into August | Benedict, Dr Ralph (Herb) & Kuenster, Rod | .2010 |
| 'Beryl Black' | Medium | Med-Green | - | - | Hybrid | Light-Purple | July into August | Hicks, Gerry | .2011 |
| 'Beverly Sills' | Large | Med-Green | Marginal | White | Hybrid | Pale-Lavender | June into July | Goodenough, Rick | --NR-- |
| 'Beyond Glory' | Large | Dark-Green | Medial | Yellow | TC Sport | Light-Purple | July | Hansen, Hans & Walters Gardens | .2018 |
| 'Biddy's Blue' | Large | Blue/Green | - | - | Unknown | - | - | Barrett, Rosemary | --NR-- |
| 'Big Deal' | Large | Med-Green | - | - | Unknown | - | June into July | Ward, Dr Dick & Ward, Jane | .2015 |
| 'Big Fella' | Giant | Blue/Green | - | - | Hybrid | Near-White | June into July | Stoddard, Gary | .2012 |
| 'Big Gary' | Giant | Blue/Green | - | - | Unknown | Near-White | June into July | Larsen, Kim | .2009 |
| 'Big Hobber' | Giant | Blue/Green | Marginal | Yellow | Sport | Pale-Lavender | July into August | Sisson, Kathie | --NR-- |
| 'Billy Bob Angel' | Large | Dark-Green | - | - | Hybrid | - | June into July | Zilis, Mark | .2010 |
| 'Birdbeak' | Medium | Yellow | - | - | Hybrid | Pale-Lavender | August | Carlson, Monty & Carlson, Julie | .2009 |
| 'Biting Rosebud' | Large | Dark-Green | Streaked | White | Unknown | - | - | Crockett, Clyde | --NR-- |
| 'Bitsy Blue' | Medium | Blue/Green | - | - | Hybrid | Pale-Lavender | - | Savory, Dennis | .2000 |
| 'Bitter Lemons' | Small | Yellow | - | - | Unknown | Light-Purple | July | Schulte, Steve | --NR-- |
| 'Black Thunder' | Large | Dark-Green | Medial | White | Sport | Pale-Lavender | July into August | Schwarz, Jim & Schwarz, Karen & Zilis, Mark | .2014 |
| 'Black Tie Affair' | Medium | Dark-Green | Marginal | White | Sport | Light-Purple | June into July | Zilis, Mark | .2012 |
| 'Black Widow' | Medium | Med-Green | Marginal | White | Unknown | - | - | Unknown | --NR-- |
| 'Blaue Ruh' | Large | Blue/Green | - | - | Unknown | Pale-Lavender | July | Sugita, Hajime & Ruh, Peter | .2003 |
| 'Blaue Zunge' | Large | Blue/Green | - | - | Sport | Near-White | July | Crockett, Clyde | --NR-- |
| 'Blaufink' | Large | Blue/Green | - | - | Unknown | Pale-Lavender | August | Klose, Heinz & Ruh, Peter & Ruh, Jean | .2003 |
| 'Blauspecht' | Medium | Blue/Green | - | - | Unknown | Pale-Lavender | July into August | Klose, Heinz & Ruh, Peter & Ruh, Jean | .2003 |
| 'Blind Date' (Ward) | Large | Light-Green | Marginal | Yellow | Hybrid | Near-White | June into July | Ward, Dr Dick & Ward, Jane | .2011 |
| 'Blonde Elf' | Small | Yellow | - | - | Sport | Light-Purple | July | Aden, Paul & Zilis, Mark | .2010 |
| 'Blue Cascade' | Medium | Blue/Green | - | - | Hybrid | Deep-Purple | August to September | Carlson, Monty & Carlson, Julie | .2009 |
| 'Blue Chiffon' | Medium | Blue/Green | - | - | Unknown | Near-White | June into July | Banyai, Pauline & Walek, Kevin | .2009 |
| 'Blue Dragon Wings' | Large | Blue/Green | - | - | Hybrid | Pure-White | July into August | Kedl, Phyllis | .2002 |
| 'Blue Eagle' | Giant | Blue/Green | - | - | Hybrid | Near-White | June into July | Lydell, Ransom | --NR-- |
| 'Blue Haired Lady' | Medium | Blue/Green | - | - | Hybrid | Pure-White | August | Johnson, Greg | .2004 |
| 'Blue Hour' | Giant | Blue/Green | - | - | Unknown | Near-White | June into July | Ward, Dr Dick & Ward, Jane | .2009 |
| 'Blue Jewel' | Medium | Blue/Green | - | - | Unknown | Med-Lavender | July into August | Benedict, Dr Ralph (Herb) & Benedict, Dorothy & Kuenster, Rod | .2010 |
| 'Blue Lettuce' | Large | Blue/Green | - | - | Hybrid | Pale-Lavender | June into July | Zilis, Mark | .2012 |
| 'Blue Magic' | Small | Blue/Green | Streaked | Yellow | Sport | Pale-Lavender | July into August | Ford, Richard & Ford, Mary | .2013 |
| 'Blue Magoo' | Large | Blue/Green | Streaked | Yellow | Unknown | - | - | Hackbarth, Robert | --NR-- |
| 'Blue Perfection' | Large | Blue/Green | - | - | Sport | - | July into August | Solberg, Robert | .2016 |
| 'Blue Pointer' | Large | Blue/Green | - | - | Hybrid | Near-White | June into July | Zilis, Mark | .2010 |
| 'Blue Wedgwood' | Medium | Blue/Green | - | - | Unknown | Pale-Lavender | July into August | Smith, Eric & British Hosta and Hemerocallis Society | .1988 |
| 'Blue without You' | Large | Light-Green | - | - | Sport | Pale-Lavender | July into August | Kordner, Tim | .2000 |
| 'Bluesette' | Medium | Blue/Green | - | - | Hybrid | - | August to September | Philips, Hugo | .2011 |
| 'Bluestone' | Large | Blue/Green | - | - | Hybrid | Med-Lavender | June into July | Ruh, Jean | .2010 |
| 'Bluetini' | Small | Blue/Green | - | - | Hybrid | Light-Purple | August to September | Zilis, Mark | .2009 |
| 'Bohemia Fatty Manzo' | Small | Dark-Green | Medial | White | Sport | - | July into August | Mirka, Vladimir | .2016 |
| 'Bohemia Praying Clown' | Medium | Med-Green | Marginal | Yellow | Sport | - | July into August | Mirka, Vladimir | .2016 |
| 'Bohemia Ripple Blue Effect' | Small | Blue/Green | Medial | Yellow | Sport | Pale-Lavender | July into August | Mirka, Vladimir | .2016 |
| 'Bohemia Salamander' | Small | Dark-Green | Streaked | Yellow | Sport | Pale-Lavender | July into August | Mirka, Vladimir | .2016 |
| 'Bombs Bursting in Air' | Large | Med-Green | - | - | Hybrid | Pale-Lavender | September | Stegeman, Bev & Stegeman, Dave | .2012 |
| 'Borsch 4' | Large | Med-Green | - | - | Unknown | Pale-Lavender | July into August | Borsch, Wm & Ruh, Peter & Ruh, Jean | .2005 |
| 'Bossy Pants' | Small | Med-Green | Streaked | Yellow | Unknown | - | July into August | Freeman, Franc | .2012 |
| 'Boy Shooting Arrows' | Medium | Med-Green | - | - | Hybrid | Pale-Lavender | September | Nyikos, Frank | .2011 |
| 'Branching Out' | Medium | Dark-Green | - | - | Hybrid | Near-White | July into September | Avent, Tony | .2012 |
| 'Brandi Nicole' | Medium | Med-Green | Medial | White | Sport | Near-White | July | Daughenbaugh, Walt | .2002 |
| 'Brentwood Blues' | Small | Blue/Green | Marginal | White | Sport | Med-Lavender | July into August | Watson, Steve | .2013 |
| 'Bri Bear' | Miniature | Med-Green | - | - | Unknown | Deep-Purple | July into August | Asch, Stuart | .2009 |
| 'Brianna T.' | Medium | Med-Green | Streaked | Speckles | Sport | Light-Purple | July into August | Barger, Bill & Barger, Anna | .2016 |
| 'Briar Patch' | Miniature | Blue/Green | - | - | Unknown | - | - | Goodwin, Randy | .2014 |
| 'Brick Back' | Medium | Dark-Green | - | - | Hybrid | - | - | Zolock, Steve & Zolock, Sarah | .2010 |
| 'Bridal Falls' | Large | Dark-Green | Marginal | White | TC Sport | Pale-Lavender | July into August | Van den Top, Jan & Walters Gardens | .2012 |
| 'Bridal Veil' | Large | Blue/Green | Marginal | White | Unknown | Pale-Lavender | July | Hird, Bob | .2003 |
| 'Bridgeville' | Large | Med-Green | Marginal | Yellow | Unknown | Med-Lavender | July into August | Miazawa, Dr. & Ruh, Peter | .1999 |
| 'Bright Eagle' | Large | Yellow | - | - | Unknown | Pale-Lavender | July into August | Lydell, Ransom | .1998 |
| 'Bright Feather' | Large | Yellow | Marginal | White | Unknown | Med-Lavender | June into July | Schwarz, Jim | .2011 |
| 'Bright-eyed Ellie' | Medium | Yellow | - | - | Hybrid | Near-White | June into July | Whitmer, Milt | .2016 |
| 'Broad Avenue Beauty' | Small | Light-Green | - | - | Unknown | Med-Lavender | June into September | Zolock, Steve & Zolock, Sarah | .2008 |
| 'Brocade' | Small | Yellow | - | - | Hybrid | Near-White | September | Goodwin, Randy | .2013 |
| 'Brodie's Bonanza' | Small | Light-Green | - | - | Hybrid | Pale-Lavender | September | Goodwin, Randy | .2013 |
| 'Bubbles' | Medium | Med-Green | Marginal | Creamy White | Unknown | Light-Purple | July into August | Benedict, Dr Ralph (Herb) & Walek, Kevin | .2009 |
| 'Bubblicious' | Medium | Yellow | - | - | Unknown | Near-White | - | Hackbarth, Robert | .2015 |
| 'Bubbling Spring' | Large | Med-Green | - | - | Unknown | - | - | Kruer, George | .2009 |
| 'Bud Is Wiser' | Medium | Dark-Green | Medial | White | Sport | Pale-Lavender | July | Martin, Bud | --NR-- |
| 'Bulletproof' | Medium | Blue/Green | - | - | Sport | Pale-Lavender | July into August | Zilis, Mark | .2009 |
| 'Bunker Hill' | Medium | Blue/Green | Streaked | Speckles | Sport | Pale-Lavender | June into July | Bennerup, Pierre & Malloy, Alex | .2001 |
| 'Burgundy Bermudas' | Medium | Light-Green | - | - | Hybrid | Light-Purple | August to September | Goodwin, Randy | .2013 |
| 'Burnished Brass' | Medium | Yellow | - | - | Unknown | - | June into July | Tompkins, Chet & Walek, Kevin | .2009 |
| 'Buster' | Medium | Yellow | - | - | TC Sport | Pale-Lavender | July into August | Zilis, Mark | .2009 |
| 'Butter Yellow' | Large | Yellow | - | - | Unknown | Pale-Lavender | June into July | Vaughn, Kevin | .1982 |
| 'Bye Bob' | Small | Blue/Green | - | - | Hybrid | Near-White | September to October | Axmear, Bob & Gilligan, Madelon | .2015 |
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