| Cultivar Name | Source | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Registered |
| 'Baby Liv' | Lambrichts, Johann | - | Light-Green | - | - | Hybrid | - | - | --NR-- |
| 'Bella' | Wehrhahn, Heinrich | - | - | - | - | xDuplicate | - | - | --NR-- |
| 'Bensheim' | Klose, Heinz | Large | Med-Green | Streaked | Speckles | Nat-Sport | Pale-Lavender | July into August | --NR-- |
| 'Bianca' | Pagels, Ernst | Medium | Med-Green | - | - | Unknown | - | - | --NR-- |
| 'Big Jin' | Fischer, Dr Ullrich | Large | - | - | - | Unknown | - | - | --NR-- |
| 'Blaue Herz' | Unknown | - | Blue/Green | - | - | Unknown | - | - | --NR-- |
| 'Blaue Ruh' | Sugita, Hajime & Ruh, Peter | Large | Blue/Green | - | - | Unknown | Pale-Lavender | July | .2003 |
| 'Blaue Venus' | Klose, Heinz & Ruh, Peter & Jean | Medium | Blue/Green | - | - | Unknown | Pale-Lavender | July into August | .2003 |
| 'Blaue Welle' | Jentsch, Klaus | Large | Blue/Green | - | - | Unknown | - | June into July | --NR-- |
| 'Blaue Wolke' | Klose, Heinz | Medium | Blue/Green | - | - | Unknown | Pale-Lavender | July | --NR-- |
| 'Blauer Dragoner' | Kohlein, Fritz | Large | Blue/Green | - | - | Unknown | - | - | --NR-- |
| 'Blauer Klaus' | Jentsch, Klaus | - | - | - | - | Unknown | - | July into August | --NR-- |
| 'Blauer Sprudel' | Kohlein, Fritz | Large | Blue/Green | - | - | Unknown | - | - | --NR-- |
| 'Blauer Wurm' | Jentsch, Klaus | - | - | - | - | Unknown | - | June into July | --NR-- |
| 'Blauer Zwerg' | Jentsch, Klaus | - | - | - | - | Unknown | - | - | --NR-- |
| 'Blaues Boot' | Ahlburg, Marlene | - | - | - | - | Unknown | - | - | --NR-- |
| 'Blaues Würmchen' | Jentsch, Klaus | - | - | - | - | Unknown | - | - | --NR-- |
| 'Blaufink' | Klose, Heinz & Ruh, Peter & Jean | Large | Blue/Green | - | - | Unknown | Pale-Lavender | August | .2003 |
| 'Blauglut' | Klose, Heinz & Ruh, Peter & Jean | Medium | Blue/Green | - | - | Unknown | Pale-Lavender | August | .2003 |
| 'Blaumeise' | Klose, Heinz & Ruh, Peter & Jean | Small | Blue/Green | - | - | Unknown | Pale-Lavender | August | .2003 |
| 'Blauspecht' | Klose, Heinz & Ruh, Peter & Jean | Medium | Blue/Green | - | - | Unknown | Pale-Lavender | July into August | .2003 |
| 'Blauwal' | Jentsch, Klaus | - | - | - | - | Unknown | - | June into July | --NR-- |
| 'Blauwichtel' | Kohlein, Fritz | Small | Blue/Green | - | - | Unknown | - | - | --NR-- |
| 'Blonde's Gift' | Jentsch, Klaus | - | - | - | - | Unknown | - | - | --NR-- |
| 'Blue Blood' | Klose, Heinz | - | Blue/Green | - | | Unknown | - | - | --NR-- |
| 'Blue Dino' | Jentsch, Klaus | Medium | Blue/Green | - | - | Nat-Sport | Near-White | June | --NR-- |
| 'Blue Hobbit' | Jentsch, Klaus | - | Blue/Green | - | - | Unknown | - | - | --NR-- |
| 'Blue Winner' | Jentsch, Klaus | - | Blue/Green | - | - | Unknown | - | - | --NR-- |
| 'Blue Winter' | Jentsch, Klaus | - | Blue/Green | - | - | Unknown | - | - | --NR-- |
| 'Blӓuling' | Kohlein, Fritz | Medium | Med-Green | - | - | Unknown | - | - | --NR-- |
| 'Blutenspiel' | Klose, Heinz & Ruh, Peter & Jean | Medium | Med-Green | - | - | Unknown | Light-Purple | August | .2003 |
| 'Bunte Babette' | Kohlein, Fritz | - | - | - | - | Unknown | - | - | --NR-- |
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