| Bob Solberg Hostas | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Registered |
| 'Rascal' | Large | Yellow | Marginal | Dark Green | Sport | Pale-Lavender | - | .1991 |
| 'Rasha Maru' | Miniature | Dark-Green | | | Nat-Sport | Deep-Purple | August to September | --NR-- |
| 'Ray of Hope' | Miniature | Med-Green | Streaked | Yellow | Sport | Light-Purple | August | .2005 |
| 'Remembered Always' | Miniature | Dark-Green | Medial | White | Unknown | Unknown | - | --NR-- |
| 'Rough Lemon' | Medium | Yellow | | | Hybrid | Light-Purple | July into August | .2022 |
| 'Ruby Earrings' | Small | Yellow | | | Unknown | Unknown | - | --NR-- |
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