| No. | Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'Lahn' | Small | Blue/Green | - | - | Unknown | Pale-Lavender | August | Klose, Heinz & Ruh, Peter & Ruh, Jean | .2005 |
|
2
| 'Lake Ontario' | Large | Dark-Green | Marginal | Yellow | Unknown | Pale-Lavender | July | Lydell, Ransom | .1998 |
|
3
| 'Lakeside Blue Jeans' | Large | Blue/Green | - | - | Unknown | Near-White | June | Chastain, Mary | .1995 |
|
4
| 'Lakeside Cogwheel' | Medium | Blue/Green | Marginal | Yellow | Unknown | Pale-Lavender | July | Chastain, Mary | .1995 |
|
5
| 'Lakeside Lagoon' | Large | Blue/Green | - | - | Hybrid | Near-White | July into August | Chastain, Mary | .1998 |
|
6
| 'Lakeside Main Man' | Large | Blue/Green | - | - | Hybrid | Pale-Lavender | July | Chastain, Mary | .2002 |
|
7
| 'Lauren's Delight' | Medium | Blue/Green | - | - | Unknown | - | June into July | Ward, Dr Dick & Ward, Jane | .2005 |
|
8
| 'Lela's Quilt' | Large | Blue/Green | - | - | Hybrid | Pale-Lavender | June into July | Hackbarth, Robert | .2015 |
|
9
| 'Lovely Lauren' (Elslager) | Medium | Light-Green | Marginal | Yellow | Hybrid | - | July into August | Elslager, Ed | .1998 |
|