| Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
| 'Belinda' | Large | Yellow | | - | Hybrid | Near-White | June | Willett, Lance & Simmering, Ron | .2003 |
| 'Big Mamma's House' | Giant | Blue/Green | Streaked | Yellow | Hybrid | Pale-Lavender | June into July | Elslager, Ed | .2003 |
| 'Big Top' | Giant | Blue/Green | | - | Hybrid | Near-White | July | Elslager, Ed | .2003 |
| 'Biggie' | Giant | Med-Green | | - | Hybrid | Pale-Lavender | July into August | Elslager, Ed | .2003 |
| '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 & Jean | .2003 |
| 'Blaufink' | Large | Blue/Green | | - | Unknown | Pale-Lavender | August | Klose, Heinz & Ruh, Peter & Jean | .2003 |
| 'Blauglut' | Medium | Blue/Green | | - | Unknown | Pale-Lavender | August | Klose, Heinz & Ruh, Peter & Jean | .2003 |
| 'Blaumeise' | Small | Blue/Green | | - | Unknown | Pale-Lavender | August | Klose, Heinz & Ruh, Peter & Jean | .2003 |
| 'Blauspecht' | Medium | Blue/Green | | - | Unknown | Pale-Lavender | July into August | Klose, Heinz & Ruh, Peter & Jean | .2003 |
| 'Blizzard' | Giant | Med-Green | Streaked | White | TC Sport | Pale-Lavender | July into August | Anderson, Jim | .2003 |
| 'Blockbuster' | Giant | Med-Green | Streaked | Speckles | Hybrid | Pale-Lavender | July into August | Elslager, Ed | .2003 |
| 'Blue Mist' | Large | Blue/Green | Streaked | Speckles | Nat-Sport | Near-White | July | Walters Gardens | .2003 |
| 'Blue My Mind' | Medium | Blue/Green | | - | Hybrid | Near-White | August | Hansen, Hans | .2003 |
| 'Blue Sophistication' | Medium | Blue/Green | | - | Nat-Sport | Pale-Lavender | July into August | Zilis, Mark | .2003 |
| 'Bluebeard's Castle' | Medium | Blue/Green | Marginal | Yellow | Hybrid | Near-White | June into July | Elslager, Ed | .2003 |
| 'Blutenspiel' | Medium | Med-Green | | - | Unknown | Light-Purple | August | Klose, Heinz & Ruh, Peter & Jean | .2003 |
| 'Bottom Line' | Giant | Med-Green | Marginal | Creamy White | TC Sport | Pale-Lavender | July | Anderson, Jim | .2003 |
| 'Bread Crumbs' | Miniature | Blue/Green | Medial | White | TC Sport | Light-Purple | June into July | Zilis, Mark | .2003 |
| 'Bridal Veil' | Large | Blue/Green | Marginal | White | Unknown | Pale-Lavender | July | Hird, Bob | .2003 |
| 'Brigadier' | Large | Med-Green | | - | Hybrid | Pale-Lavender | June into July | Zilis, Mark | .2003 |
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