| Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Season | Source | Registered |
| 'Baja White' | Small | Dark-Green | | - | Nat-Sport | August to September | Zilis, Mark | .2010 |
| 'Bansō' | Small | - | | - | Nat-Sport | September to October | Unknown | --NR-- |
| 'Beauty Queen' | Large | Blue/Green | | - | Hybrid | August to September | Schmidt, Bevie | .2009 |
| 'Because of Art' | Medium | Dark-Green | | - | Hybrid | September | Finke, Chuck & Ternes, Nick | .2018 |
| 'Belle Vernon Pride' | Large | Blue/Green | | - | Unknown | August to September | Zolock, Steve & Sarah | .2008 |
| 'Benedict's Wild Fire' | Small | Blue/Green | | - | Hybrid | August to September | Benedict, Dr R. (Herb) & Kuenster, Rod | .2010 |
| 'Big B' | Large | Dark-Green | | - | Hybrid | August to September | Kwick, Charles | .2016 |
| 'Big Bloomers' | Large | Med-Green | | - | Hybrid | August to September | Avent, Tony | --NR-- |
| 'Blue Beetle' | Small | Blue/Green | | - | Hybrid | August to September | Malloy, Alex | .2005 |
| 'Blue Cascade' | Medium | Blue/Green | | - | Hybrid | August to September | Carlson, Monty & Julie | .2009 |
| 'Blueberry Cobbler' | Small | Blue/Green | | - | Hybrid | August to September | Solberg, Robert | .2009 |
| 'Bluesette' | Medium | Blue/Green | | - | Hybrid | August to September | Philips, Hugo | .2011 |
| 'Bluetini' | Small | Blue/Green | | - | Hybrid | August to September | Zilis, Mark | .2009 |
| 'Bogie and Bacall' | Medium | Med-Green | Marginal | White | Hybrid | August to September | Beilstein, Doug & Zilis, Mark | .2009 |
| 'Bombs Bursting in Air' | Large | Med-Green | | - | Hybrid | September | Stegeman, Bev & Dave | .2012 |
| 'Borderline' | Small | Med-Green | | - | Unknown | August to September | Bastille, Jocelyne | --NR-- |
| 'Boy Shooting Arrows' | Medium | Med-Green | | - | Hybrid | September | Nyikos, Frank | .2011 |
| 'Branching Out' | Medium | Dark-Green | | - | Hybrid | July into September | Avent, Tony | .2012 |
| 'Breeder's Treasure' | Small | Dark-Green | Streaked | White | Nat-Sport | August to September | van den Top, Jan | --NR-- |
| 'Broad Avenue Beauty' | Small | Light-Green | | - | Unknown | June into September | Zolock, Steve & Sarah | .2008 |
| 'Brocade' | Small | Yellow | | - | Hybrid | September | Goodwin, Randy | .2013 |
| 'Brodie's Bonanza' | Small | Light-Green | | - | Hybrid | September | Goodwin, Randy | .2013 |
| 'Bryce' | Medium | Med-Green | | - | Unknown | August to September | Tompkins, Chet & Ruh, Peter | .2002 |
| 'Buffalo Amber Waves' | Miniature | Yellow | | - | Nat-Sport | August to September | Zubrik, Milan & Dana | .2016 |
| 'Bukouhenge' | Small | - | | - | Unknown | September | Unknown | --NR-- |
| 'Bunchoko' | Small | Med-Green | Marginal | White | Unknown | August to September | Maekawa, Dr Fumio & Walek, Kevin | .2009 |
| 'Burgundy Bermudas' | Medium | Light-Green | | - | Hybrid | August to September | Goodwin, Randy | .2013 |
| 'Busia's Choice' | Miniature | Light-Green | | - | Hybrid | September | Savory, Dennis | .2015 |
| 'Bye Bob' | Small | Blue/Green | | - | Hybrid | September to October | Axmear, Bob & Gilligan, Madelon | .2015 |
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