| Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
| 'Lady Macbeth' | Medium | Dark-Green | Medial | White | Sport | Pale-Lavender | June into July | Malloy, Alex | --NR-- |
| 'Lars of Mars' | Medium | Med-Green | Marginal | White | Sport | Med-Lavender | August to September | Malloy, Alex | .2002 |
| 'Lexi Hall' | Medium | Yellow | - | - | Hybrid | - | - | Malloy, Alex | --NR-- |
| 'Lightning Express' | Small | Med-Green | Marginal | White | Hybrid | - | - | Beilstein, Doug & Malloy, Alex | --NR-- |
| 'Lil Miss Muffett' | Miniature | Med-Green | Streaked | White | Hybrid | - | - | Beilstein, Doug & Malloy, Alex | --NR-- |
| 'Lil Snoopy' | Small | Yellow | - | - | Unknown | - | - | Malloy, Alex | --NR-- |
| 'Limelighter's Glow' | Large | Light-Green | - | - | Unknown | Pale-Lavender | - | Minks, Eldren & Malloy, Alex | .2000 |
| 'Little Bit' | Small | Med-Green | - | - | Sport | Light-Purple | July | Malloy, Alex | .1999 |
| 'Little Lulu' | Miniature | Yellow | - | - | Hybrid | Pale-Lavender | June into July | Malloy, Alex | .2003 |
| 'Little Rascal' | Small | Med-Green | Marginal | White | Sport | Med-Lavender | July | Malloy, Alex | --NR-- |
| 'Love Bug' | Small | Blue/Green | - | - | Hybrid | Light-Purple | July | Malloy, Alex | .2001 |
| 'Love Potion #9' | Medium | Blue/Green | Streaked | Speckles | Sport | Near-White | June into July | Malloy, Alex | --NR-- |
| 'Lovey Dovey' | Medium | Light-Green | Marginal | White | Sport | Light-Purple | July into August | Malloy, Alex | .2002 |
| 'Lucky Star' (Malloy) | Small | - | Streaked | - | Hybrid | - | - | Malloy, Alex | --NR-- |
| 'Lucky Strike' | Large | Yellow | - | - | Unknown | - | - | Malloy, Alex | --NR-- |
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