| No. | Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Season | Source | Registered |
|
1
| 'Manzou' | Small | Med-Green | Medial | White | Sport | September to October | Unknown | --NR-- |
|
2
| 'Marbled Bouquet' | Medium | Med-Green | Streaked | Speckles | Sport | August to September to October | Falstad, C.H. | .1988 |
|
3
| 'Margarita Ice' | Small | Light-Green | Marginal | Green | Nat-Sport | August to September | Anderson, Jim | --NR-- |
|
4
| 'Mariachi' | Large | Med-Green | Marginal | Yellow | Sport | August to September | Zilis, Mark | .2010 |
|
5
| 'Marilyn Monroe' | Medium | Yellow | | | Hybrid | September | Hawes, James & Ruh, Peter | .2005 |
|
6
| 'Marilyn's Petticoat' | Small | Med-Green | | | Hybrid | August to September | Ragus, Gerhard & Ragus, Renate | .2021 |
|
7
| 'Martin Van Buren' | Medium | Med-Green | | | Hybrid | September | Sugita, Hajime & Ruh, Peter | .2005 |
|
8
| 'Maruba Iwa' | Small | Med-Green | | | Sport | September | Unknown & Walek, Kevin & The American Hosta Society | .2009 .2018 |
|
9
| 'Masamune' | Medium | Dark-Green | | | Sport | August to September | Unknown | --NR-- |
|
10
| 'Matthew Braedon' | Medium | Dark-Green | | | Unknown | September to October | Zolock, Steve & Zolock, Sarah | .2006 |
|
11
| 'Mawashibiki' | Small | Dark-Green | | | Hybrid | August to September | Klapwijk, Pieter | --NR-- |
|
12
| 'Memories' | Small | Med-Green | Streaked | Green | Hybrid | August to September | Klose, Heinz & Ruh, Peter | .2002 .2018 |
|
13
| 'Merci Beaucoup' | Medium | Yellow-Gold | | | Hybrid | August to September | Bowe, Dave | .2019 |
|
14
| 'Midori Iwa' | Medium | Dark-Green | | | Sport | August to September | Unknown | --NR-- |
|
15
| 'Midori-no-ya' | Medium | Dark-Green | Medial | Green | Sport | September | Van Eechaute, Danny | .2004 |
|
16
| 'Mighty Mite' | Small | Med-Green | | | Hybrid | August to September | Dean, Don | .2004 |
|
17
| 'Mikawa-no-yuki' | Medium | Med-Green | | | Hybrid | August to September to October | Sugita, Hajime & Ruh, Peter | .1997 .2004 |
|
18
| 'Milk and Honey' | Large | Med-Green | Marginal | White | Sport | August to September | Lynch, P. | .2003 |
|
19
| 'Miracle Lemony' | Medium | Dark-Green | | | Hybrid | August to September | Sugita, Hajime | --NR-- |
|
20
| 'Mirth' | Small | Light-Green | Marginal | Green | Hybrid | August to September | Matsubayashi, Nagao & Ruh, Peter & Ruh, Jean | .2001 |
|
21
| 'Miss American Pie' | Medium | Dark-Green | | | Hybrid | August to September | Wasitis, Chick | .2008 |
|
22
| 'Miss Selene' | Small | Med-Green | | | Hybrid | August to September | Wrede, Arthur | --NR-- |
|
23
| 'Miss Shamim' | Large | Light-Green | | | Hybrid | August to September | McHugh, Ed & Wrede, Arthur | .2015 |
|
24
| 'Misty Marilyn' | Medium | Light-Green | Streaked | White | Sport | September | Van den Top, Jan | --NR-- |
|
25
| 'Miyazaki' | Small | Med-Green | Medial | White | Hybrid | August to September | Zilis, Mark | .2010 |
|
26
| 'Modern Dance' | Medium | Blue/Green | Streaked | White | Hybrid | August to September | Van Eechaute, Danny | .2014 |
|
27
| 'Mr Z' | Medium | Blue/Green | | | Hybrid | August to September to October | Zilis, Mark & Schwarz, Jim & Schwarz, Karen | .2014 |
|
28
| 'Mucho Macho' | Small | Med-Green | | | Hybrid | August to September | Philips, Hugo | --NR-- |
|
29
| 'Mugen' | Medium | Dark-Green | Streaked | White | Sport | August to September | Unknown | --NR-- |
|