No. | Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
1
| 'Magda' | Small | Blue/Green | Marginal | Yellow | Unknown | - | - | Unknown | --NR-- |
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
| 'Mercury Rising' | Medium | Yellow | | - | Unknown | Med-Lavender | July into August | Dye, Kay | .2020 |
5
| 'Miss Abbie' | Small | Blue/Green | - | - | Hybrid | Light-Purple | August | Schroeder, Bob & Schroeder, Barb | .2019 |
6
| 'Miss Grace' | Medium | Med-Green | - | - | Unknown | - | July into August | Wrede, Arthur | .2005 |
7
| 'Mister Red Genes' | Large | Blue/Green | - | - | Hybrid | - | - | Wrede, Arthur | --NR-- |
8
| 'Moldy Muffins' | Medium | Med-Green | - | - | Sport | Med-Lavender | July | Schwarz, Jim | --NR-- |
9
| 'Monkey Fist' | Large | Med-Green | Streaked | Speckles | Unknown | - | July into August | Seaver, Charles | .1999 |
10
| 'Monty Python' | Medium | Yellow | Streaked | White | TC Sport | Pale-Lavender | July | Zilis, Mark | .2009 |
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