| Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
| 'Blessings' | Medium | Yellow | Marginal | White | Unknown | Light-Purple | July into August | Aden, Paul | .1983 |
| 'Blonde Elf' | Small | Yellow | - | - | Sport | Light-Purple | July | Aden, Paul & Zilis, Mark | .2010 |
| 'Blue Beau' | Medium | Blue/Green | - | - | Unknown | - | - | Aden, Paul | --NR-- |
| 'Blue Fan Dancer' | Medium | Blue/Green | - | - | Unknown | Pure-White | June into July | Aden, Paul | .1976 |
| 'BLUE GIANT | - | - | - | - | TRADEMARK | - | - | TRADENAME | --NR-- |
| 'Blue Happiness' | Medium | Blue/Green | - | - | Unknown | Near-White | July into August | Aden, Paul | --NR-- |
| 'Blue Heaven' | Medium | Blue/Green | - | - | Hybrid | Pale-Lavender | June into July | Smith, Eric & Aden, Paul | .1976 |
| 'Blue Hugger' | - | Blue/Green | - | - | Unknown | - | - | Aden, Paul | --NR-- |
| 'Blue Line' | Miniature | Blue/Green | - | - | Hybrid | - | - | Aden, Paul | .1987 |
| 'Blue Mammoth' | Giant | Blue/Green | - | - | Unknown | Near-White | June into July | Aden, Paul & Ruh, Peter & Ruh, Jean | .2010 |
| 'Blue Moon' | Miniature | Blue/Green | - | - | Unknown | Pure-White | July into August | Smith, Eric & Aden, Paul | .1976 |
| 'Blue Prayers' | Medium | Blue/Green | - | - | Unknown | - | - | Aden, Paul | --NR-- |
| 'Blue Seer' | Giant | Blue/Green | - | - | Hybrid | Near-White | June into July | Aden, Paul & Zilis, Mark | .2010 |
| 'Blue Tiers' | Giant | Blue/Green | - | - | Hybrid | - | - | Aden, Paul | .1976 |
| 'Blue Umbrellas' | Giant | Dark-Green | - | - | Hybrid | Pale-Lavender | June into July | Shaw, Florence & Aden, Paul | .1976 |
| 'Blue Veil' | Large | Blue/Green | - | - | Sport | Pale-Lavender | July into August | Aden, Paul & Ruh, Peter | .2010 |
| 'Blue Velvet' | Medium | Blue/Green | - | - | Hybrid | Near-White | June into July | Aden, Paul | .1976 |
| 'Blue Vision' | Large | Blue/Green | - | - | Hybrid | Near-White | June into July | Aden, Paul | .1976 |
| 'Blue Whirls' | Large | Blue/Green | - | - | Hybrid | Pure-White | - | Aden, Paul | .1978 |
| 'Bold One' | Large | Med-Green | Streaked | Speckles | Hybrid | - | - | Aden, Paul | .1978 |
| 'Bold Ribbons' | Large | Blue/Green | Marginal | White | Unknown | Deep-Purple | July into August | Aden, Paul | .1976 |
| 'Bravo' | Medium | Blue/Green | Marginal | White | Hybrid | Pure-White | July | Aden, Paul | .1980 |
| 'Bright Glow' | Small | Yellow | - | - | Hybrid | Pure-White | June into July | Aden, Paul | .1986 |
| 'Brim Cup' | Medium | Med-Green | Marginal | Creamy White | Hybrid | Pale-Lavender | June into July | Aden, Paul | .1986 |
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