| No. | Cultivar Name | Source | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Registered |
|
1
| 'Bethel Big Leaf' | Lantis, Clarence | Large | Dark-Green | - | - | Hybrid | Pale-Lavender | July | .1979 |
|
2
| 'Big Mike' | Summers, Alex | Large | Blue/Green | - | - | Hybrid | - | - | --NR-- |
|
3
| 'Big Pete' | Summers, Alex | Large | Blue/Green | - | - | Hybrid | - | - | --NR-- |
|
4
| 'Blackfoot' | Plater-Zyberk, Maria & Solberg, Robert | Small | Light-Green | - | - | Hybrid | Pale-Lavender | July | .1994 |
|
5
| 'Bleached Canvas' | Seaver, Charles | Large | Yellow | - | - | Unknown | - | - | --NR-- |
|
6
| 'Blue and Gold' (Summers) | Summers, Alex | Medium | Blue/Green | Marginal | Yellow | Sport | Pale-Lavender | July into August | --NR-- |
|
7
| 'Blue Nugget' | Summers, Alex | Medium | Blue/Green | - | - | Sport | Near-White | July | --NR-- |
|
8
| 'Blue Piecrust' | Summers, Alex | Giant | Blue/Green | - | - | Unknown | Near-White | June into July | .1986 |
|
9
| 'Bright Circles' | Summers, Alex | - | - | - | - | Unknown | - | - | --NR-- |
|
10
| 'Bristol Frances Williams' | Summers, Alex | Large | Med-Green | Marginal | Yellow | Hybrid | Near-White | June into July | --NR-- |
|
11
| 'Bubbling Spring' | Kruer, George | Large | Med-Green | - | - | Unknown | - | - | .2009 |
|
12
| 'Buggy Wheels' | Summers, Alex & Ruh, Peter | Medium | Blue/Green | - | - | Sport | Near-White | June into July | .2005 |
|
13
| 'Butter Rim' | Summers, Alex | Small | Blue/Green | Marginal | Yellow | Hybrid | Pure-White | July into August | .1986 |
|
14
| 'Butter White Rim' | Summers, Alex | Medium | Med-Green | Marginal | White | Sport | Pure-White | July into August | --NR-- |
|