| Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
| 'Barger Blue' | Giant | Blue/Green | - | - | Hybrid | Pale-Lavender | July into August | Barger, Bill & Barger, Anna | .2016 .2018 |
| 'Beauté du Canada' | Large | Light-Green | Marginal | Dark Green | Sport | - | - | Bastille, Jocelyne | --NR-- |
| 'Big Point' | Medium | Med-Green | Marginal | Yellow | Sport | Pale-Lavender | June into July | Powell, Loleta | .2013 |
| 'Blue Elf' | Miniature | Blue/Green | | - | Hybrid | Near-White | June into July | Hansen, Hans | .2020 |
| 'Blue Hearts' | Medium | Blue/Green | - | - | Unknown | Near-White | June into July | Benedict, Dr Ralph (Herb) & Kuenster, Rod | .2010 |
| 'Blue Umbrellas' | Giant | Dark-Green | - | - | Hybrid | Pale-Lavender | June into July | Shaw, Florence & Aden, Paul | .1976 |
| 'Bluebigwa' | Large | Blue/Green | - | - | Hybrid | Near-White | June into July | Kwick, Charles | .2019 |
| 'Buckanon' | Giant | Blue/Green | - | - | Hybrid | Near-White | June | Moldovan, Steve | .1983 |
| 'Butter Yellow' | Large | Yellow | - | - | Unknown | Pale-Lavender | June into July | Vaughn, Kevin | .1982 |
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