| Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
| 'Lake Huron' | Medium | Med-Green | | | Hybrid | Light-Purple | August to September to October | Lydell, Ransom | .2001 |
| 'Lake Michigan' | Medium | Med-Green | | | Hybrid | Pale-Lavender | September to October | Lydell, Ransom | .2001 |
| 'Lake Ontario' | Large | Dark-Green | Marginal | Yellow | Unknown | Pale-Lavender | July | Lydell, Ransom | .1998 |
| 'Lake Superior' | Giant | Blue/Green | | | Hybrid | Pure-White | July | Chastain, Mary & Lydell, Ransom | .2001 |
| 'Lemon Cream Pie' | Large | Yellow | Marginal | White | Sport | Med-Lavender | June to July | Lydell, Ransom | --NR-- |
| 'Lime Lake' | Medium | Light-Green | Marginal | White | Unknown | Light-Purple | July to August | Lydell, Ransom | --NR-- |
| 'Little Dart' | Small | Med-Green | | | Sport | Light-Purple | August | Fisher, Eunice V. & Ruh, Peter & Lydell, Ransom | .1995 |
| 'Little Kitten' | Small | Yellow | | | Unknown | Unknown | Unknown | Lydell, Ransom | --NR-- |
| 'Longboats' | Medium | Dark-Green | | | Unknown | Unknown | Unknown | Lydell, Ransom | --NR-- |
| 'Lunar Magic' | Large | Yellow | Marginal | Dark Green | Sport | Pale-Lavender | July to August | Lydell, Ransom | .1994 |
| 'Lunar Night' | Medium | Dark-Green | | | Sport | Pale-Lavender | July | Lydell, Ransom | .1998 |
| 'Lunar Orbit' | Medium | Yellow | Medial | Dark Green | Sport | Pale-Lavender | July | Lydell, Ransom | .1991 |
| 'Lydell's Gift' | Large | Blue/Green | Streaked | Yellow | Unknown | Unknown | Unknown | Lydell, Ransom | --NR-- |
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