| Hans Hansen Hostas | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Registered |
| 'Cabaret' | Medium | Dark-Green | Marginal | White | Sport | Med-Lavender | July into August | --NR-- |
| 'Cameo' | Miniature | Med-Green | Marginal | Creamy White | Sport | Light-Purple | June into July | .2002 |
| 'Cat and Mouse' (Hansen) | Miniature | Med-Green | Medial | Creamy White | TC Sport | Light-Purple | July | .2007 |
| 'Cathedral Windows' | Giant | Blue/Green | Medial | Yellow | TC Sport | Pale-Lavender | August | .2005 |
| 'Chance Encounter' | Medium | Blue/Green | Marginal | Green | Nat-Sport | Pure-White | June into July | .2022 |
| 'Change of Heart' | Miniature | Light-Green | Marginal | White | Hybrid | Unknown | - | --NR-- |
| 'Cherish' | Small | Med-Green | Medial | White | Sport | Light-Purple | July | .2002 |
| 'Childhood Sweetheart' | Medium | Light-Green | Marginal | White | Hybrid | Pale-Lavender | August | .2005 |
| 'Cogleywood' | Medium | Dark-Green | Medial | White | Unknown | Pale-Lavender | July | .1999 |
| 'Country Mouse' | Small | Blue/Green | Marginal | White | Sport | Light-Purple | July | .2007 |
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