| Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
| 'Lake Macatawa' | Large | Med-Green | - | - | Unknown | - | - | Wade, Van | --NR-- |
| 'Lake Wasilla' | Large | Blue/Green | - | - | Unknown | - | - | Wade, Van | --NR-- |
| 'Lakota' | Medium | Dark-Green | - | - | Unknown | - | - | Wade, Van | --NR-- |
| 'Lenape' | Large | Med-Green | - | - | Hybrid | Pale-Lavender | July | Wade, Van | .2007 |
| 'Linda Sue' | Large | Blue/Green | Marginal | Yellow | Sport | Near-White | June | Wade, Van | .1999 |
| 'Little Princess' | Miniature | Med-Green | - | - | Unknown | - | - | Wade, Van & Walek, Kevin | .2009 |
| 'Little Streaker' | Small | Med-Green | Marginal | White | Unknown | - | July into August | Wade, Van & Kuenster, Rod | .2010 |
| 'Little Tyke' | Small | Med-Green | - | - | Unknown | - | - | Wade, Van | --NR-- |
| 'Lodestar' | Medium | Med-Green | Marginal | Greenish White | Sport | Pale-Lavender | July into August | Wade, Van & Wade, Shirley | .1999 |
| 'Lord Rock' | Medium | Dark-Green | - | - | Hybrid | Pale-Lavender | June | Wade, Van | .2007 |
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