| No. | Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'Mad About Blue' | Medium | Blue/Green | | - | Hybrid | Pale-Lavender | July | Zilis, Mark | .2009 |
|
2
| 'Making Waves' | Medium | Blue/Green | Marginal | Yellow | Hybrid | Med-Lavender | August | Dean, Don | .2022 |
|
3
| 'Marrakech' | Small | Light-Green | | - | Unknown | Pale-Lavender | July | Terpening, Kent & The American Hosta Society | .2019 |
|
4
| 'Martini' | Small | Med-Green | | - | Hybrid | Light-Purple | July | Zilis, Mark | .2009 |
|
5
| 'Maxine' | Large | Yellow | | - | Unknown | Unknown | - | Armstrong, Maxine | --NR-- |
|
6
| 'Michael T. Rozanski' | Giant | Blue/Green | | - | Hybrid | Near-White | June into July | Chamberlain, Steve | .2004 |
|
7
| 'Michigander' | Large | Med-Green | Marginal | Yellow | Sport | Near-White | June into July | Struhar, Bill | .2018 |
|
8
| 'Midnight at the Oasis' | Medium | Dark-Green | Medial | White | Sport | Med-Lavender | July into August | Naylor Creek Nursery & The American Hosta Society | .2019 |
|
9
| 'Minnehaha Creek Paladin' | Medium | Yellow | | | Hybrid | Pale-Lavender | July | Kwick, Charles | .2021 |
|
10
| 'Miss Abbie' | Small | Blue/Green | | - | Hybrid | Light-Purple | August | Schroeder, Bob & Schroeder, Barb | .2019 |
|
11
| 'Miss You' | Medium | Blue/Green | | - | Hybrid | Pale-Lavender | July | Lockwood, Mikky | .2018 |
|
12
| 'Moonstruck' | Small | Blue/Green | Medial | White | Sport | Pale-Lavender | August | Zumbar, Wm & Walek, Kevin & The American Hosta Society | .2009 |
|
13
| 'Morning Call' | Medium | Light-Green | | - | Hybrid | Pale-Lavender | August | Dean, Don | .2020 |
|
14
| 'My Girl' | Medium | Med-Green | Marginal | White | Unknown | Pale-Lavender | June into July | Schwarz, Jim | .2012 |
|