| No. | Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'Magician' | Large | Dark-Green | Marginal | Yellow | Unknown | Unknown | - | McDonell, Harold | --NR-- |
|
2
| 'Marge' | Medium | Blue/Green | | - | Hybrid | Near-White | June into July | Simpers, Lucille & Soules, Marjorie | .1996 |
|
3
| 'Mary Schwartzbauer' | Large | Med-Green | Streaked | Yellow | Hybrid | Near-White | June into July | Gowen, Hideko & Larsen, Kim | .2008 |
|
4
| 'Masamune' | Medium | Dark-Green | | - | Sport | Light-Purple | August to September | Unknown | --NR-- |
|
5
| 'May T. Watts' | Large | Yellow | | - | TC Sport | Near-White | June into July | Zilis, Mark | .1985 |
|
6
| 'Mean Joe Green' | Medium | Blue/Green | | - | Hybrid | Med-Lavender | July into August | Zolock, Steve & Zolock, Sarah | .2008 |
|
7
| 'Merle' | Large | Med-Green | | - | Hybrid | Light-Purple | July | Wade, Van | .2007 |
|
8
| 'Microtardiana' | Medium | Blue/Green | | - | Unknown | Med-Lavender | August | Bowden, Roger | --NR-- |
|
9
| 'Midnight at the Oasis' | Medium | Dark-Green | Medial | White | Sport | Med-Lavender | July into August | Naylor Creek Nursery & The American Hosta Society | .2019 |
|
10
| 'Midori Iwa' | Medium | Dark-Green | | - | Sport | Light-Purple | August to September | Unknown | --NR-- |
|
11
| 'Mimosa Mouse Ears' | Small | Blue/Green | | - | Sport | Light-Purple | July | Silvers, Bill | --NR-- |
|
12
| 'Miss American Pie' | Medium | Dark-Green | | - | Hybrid | Light-Purple | August to September | Wasitis, Chick | .2008 |
|
13
| 'Monica's Golden Crinkles' | Medium | Yellow | | - | Unknown | Pale-Lavender | July | Brill, Kirk | .1999 |
|
14
| 'Monsieur Parizeau' | Giant | Blue/Green | | | Unknown | Pale-Lavender | - | Bastille, Jocelyne | --NR-- |
|
15
| 'Moonshine Mouse Ears' | Small | Med-Green | Marginal | Yellow | Sport | Light-Purple | July | Silvers, Bill | --NR-- |
|
16
| 'Mouse Aquarel' | Miniature | Blue/Green | Marginal | White | Nat-Sport | Light-Purple | July | Van Eechaute, Danny | --NR-- |
|
17
| 'Mouse Tracks' | Miniature | Blue/Green | Streaked | White | Sport | Light-Purple | June into July | Walters Gardens | .2009 |
|
18
| 'Mr. Spock' | Large | Blue/Green | Marginal | Yellow | Sport | Near-White | June into July | Brill, Kirk | --NR-- |
|
19
| 'Mrs Mouse Ears' | - | Blue/Green | | - | Sport | Light-Purple | July | Unknown | --NR-- |
|
20
| 'Mugen' | Medium | Dark-Green | Streaked | White | Sport | Light-Purple | August to September | Unknown | --NR-- |
|
21
| 'My Heroes' | Medium | Blue/Green | Medial | White | Sport | Near-White | June | Chopko, Dave | --NR-- |
|