| No. | Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'Maggie's Angel' | Large | Dark-Green | - | - | Unknown | - | - | Unknown | --NR-- |
|
2
| 'Margie's Angel' | Medium | Dark-Green | Medial | Yellow | Hybrid | Pale-Lavender | June | Solberg, Robert | .2007 |
|
3
| 'Mayan Moon' | Medium | Blue/Green | Marginal | Yellow | Sport | Pale-Lavender | July into August | Mitchell, Bill & Walek, Kevin & The American Hosta Society | .2009 |
|
4
| 'Megan's Angel' | Large | Dark-Green | Marginal | White | Unknown | - | - | Beilstein, Doug & Beilstein, Mardy | .2009 |
|
5
| 'Mill's Devil's Coup' | - | - | - | - | Unknown | - | - | Sneyers, Rob | --NR-- |
|
6
| 'Mill's Stilbon' | Small | Blue/Green | - | - | Unknown | - | - | Sneyers, Rob | --NR-- |
|
7
| 'Moon Spilt' | Medium | Blue/Green | Marginal | Yellow | Sport | Pale-Lavender | July into August | Van Eechaute, Danny | --NR-- |
|
8
| 'Moon Split' | Medium | Light-Green | Medial | Dark Green | Sport | Pale-Lavender | July into August | Van Eechaute, Danny | .2010 |
|
9
| 'Morning Angel' | Medium | Dark-Green | - | - | Hybrid | Near-White | July into August | Savory, Dennis | .2000 |
|
10
| 'Mount Holyoke' | Medium | Med-Green | Marginal | Yellow | Hybrid | Near-White | July | Lachman, Wm & Lachman, Eleanor & Walek, Kevin & The American Hosta Society | .2009 |
|
11
| 'Mount Olympus' | Large | Med-Green | - | - | Sport | Pale-Lavender | July | Malloy, Alex | --NR-- |
|
12
| 'Mt. Sinai' | - | - | - | - | Unknown | - | - | Malloy, Alex | --NR-- |
|
13
| 'Mulah' | - | - | - | - | Duplicate | - | - | Duplicate Name | --NR-- |
|
14
| 'My Blue Heaven' | Medium | Blue/Green | - | - | Unknown | Light-Purple | July | Banyai, Pauline & Elslager, Ed | .1997 |
|