No. | Cultivar Name | Source | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Registered |
1
| 'I'm So Blue' | Schwarz, Jim | Large | Blue/Green | - | - | Unknown | Near-White | June | .1999 |
2
| 'I'm So Pretty' | Schwarz, Jim | Large | Blue/Green | - | - | Sport | Pale-Lavender | July | .2003 |
3
| 'Ma Breeder' | Kuenster, Rod | Large | Yellow | Streaked | Speckles | Hybrid | Near-White | June into July | .2008 |
4
| 'Maid in the Shade' | Husemann, Jim | Large | Light-Green | Marginal | Yellow | Hybrid | - | July into August | .2009 |
5
| 'Maid Marian' | Schwarz, Jim | Large | Yellow | Marginal | Blue-Green | Unknown | Near-White | June into July | .2000 |
6
| 'Mango Tango' | Kinman, Eric | Large | Med-Green | Medial | Yellow | Sport | Pale-Lavender | July | .2007 |
7
| 'Maniac' | Schwarz, Jim | Medium | Med-Green | Marginal | Green | Sport | Near-White | July into August | .2010 |
8
| 'Marcella' | Schulz, Ed | Small | Med-Green | Medial | White | Hybrid | Med-Lavender | August | .2002 |
9
| 'Margaret May' | Van Wyke, Trudy | Miniature | Light-Green | Streaked | Speckles | Unknown | - | - | --NR-- |
10
| 'Mark Anthony' | Johnson, Greg | Large | Med-Green | Medial | Yellow | Hybrid | Pale-Lavender | June into July | .2004 |
11
| 'Marnie's Delight' | Kuenster, Rod | Medium | Dark-Green | Medial | Yellow | Unknown | Med-Lavender | July into August | .2006 |
12
| 'Mary Mary' | Schwarz, Jim | Medium | Dark-Green | Marginal | White | Unknown | - | June into July | .2009 |
13
| 'Matilda' | Kuenster, Rod | Medium | Med-Green | Marginal | White | Hybrid | Pale-Lavender | July into August | .2007 |
14
| 'Me and My Shadow' | Schwarz, Jim | Medium | Blue/Green | Medial | Green | TC Sport | Near-White | July | .2003 |
15
| 'Megan' | Schwarz, Jim | Large | Med-Green | Marginal | Yellow | Unknown | - | June into July | .2011 |
16
| 'Melissa' | Schwarz, Jim | Medium | Blue/Green | - | - | Unknown | - | - | --NR-- |
17
| 'Melissa Anne' | Kerr, Jeff | Medium | Med-Green | Streaked | White | Sport | Pale-Lavender | July into August | .2000 |
18
| 'Merry Men' | Schwarz, Jim | Small | Dark-Green | Medial | Yellow | Unknown | Light-Purple | July | .2002 |
19
| 'Metropolis' | Johnson, Greg | Giant | Med-Green | - | - | Hybrid | Near-White | July into August | .2004 |
20
| 'Midnight Dream' | Hackbarth, Robert | Giant | Blue/Green | - | - | Unknown | - | - | .2015 |
21
| 'Midnight Mistress' | Hackbarth, Robert | Large | Dark-Green | Streaked | Yellow | Sport | Med-Lavender | July into August | .2015 |
22
| 'Mille Fleure' | O'Harra, Russ | - | - | - | - | Unknown | - | - | --NR-- |
23
| 'Ming Dynasty' (Hanson) | Hanson, Curt | Medium | Blue/Green | - | - | Unknown | - | August | --NR-- |
24
| 'Ming Dynasty' (O'Harra) | O'Harra, Russ | Large | Med-Green | - | - | Unknown | Pale-Lavender | July | .1999 |
25
| 'Ming Jade' | O'Harra, Russ | Large | Blue/Green | - | - | Unknown | Pale-Lavender | July | .1999 |
26
| 'Miss AmErica' (Seltz) | Seltz, Traci | Large | Blue/Green | Streaked | Yellow | Unknown | | | --NR-- |
27
| 'Miss Ellie Fish' | Hackbarth, Robert | Large | Yellow | - | - | Unknown | - | - | .2015 |
28
| 'Mississippi Gold' | Simmering, Ron | Giant | Yellow | - | - | Hybrid | Pale-Lavender | July into August | .2003 |
29
| 'Mississippi Mist' | Schulz, Ed | Medium | Blue/Green | - | - | Unknown | - | - | .2014 |
30
| 'Mississippi Mud' | Simmering, Ron | Giant | Blue/Green | - | - | Hybrid | Pale-Lavender | July into August | .2000 |
31
| 'Missy Marie' | Husemann, Jim | Large | Yellow-Gold | | - | Hybrid | Near-White | July | .2020 |
32
| 'Misty' (Schwarz) | Schwarz, Jim | Medium | Blue/Green | Marginal | White | Hybrid | Near-White | June | --NR-- |
33
| 'Misty May' | Kuenster, Rod | Medium | Med-Green | Streaked | Speckles | Hybrid | Med-Lavender | July into August | .2008 |
34
| 'Misty Regal' | Stratton, John & Stratton, Elizabeth | Giant | Med-Green | Medial | Yellow | Sport | Med-Lavender | July | .1996 |
35
| 'Moby Dick' | Brill, Kirk | Large | Blue/Green | - | - | Hybrid | Near-White | July into August | .1999 |
36
| 'Monica's Golden Crinkles' | Brill, Kirk | Medium | Yellow | - | - | Unknown | Pale-Lavender | July | .1999 |
37
| 'Moon Lily' | Trott, Joyce & Harshbarger, Gretchen | Medium | Med-Green | - | - | Unknown | Pale-Lavender | June into July | .1993 |
38
| 'Moonlight Mirage' | Schwarz, Jim | Large | Med-Green | Marginal | Green | Sport | Near-White | June into July | .2001 |
39
| 'Moonlight Sonata' | Johnson, Greg | Large | Blue/Green | - | - | Hybrid | Pale-Lavender | August | .2004 |
40
| 'Morning Glow' | Johnson, Greg | Large | Yellow | - | - | Hybrid | Near-White | June into July | .2004 |
41
| 'Mossy Stone' | Schulz, Ed | Large | Med-Green | - | - | Hybrid | - | - | .2009 |
42
| 'Movin on Up' | Van Wyke, Trudy | Small | Blue/Green | - | - | Unknown | Med-Lavender | - | --NR-- |
43
| 'Mr. Osami' | Freeman, Franc & Freeman, Sally | Small | Dark-Green | - | - | Unknown | - | - | --NR-- |
44
| 'Mr. Spock' | Brill, Kirk | Large | Blue/Green | Marginal | Yellow | Sport | Near-White | June into July | --NR-- |
45
| 'Mrs. Beasley' | Schwarz, Jim | Small | Med-Green | Streaked | White | Unknown | - | - | --NR-- |
46
| 'My Claire' | Hird, Bob | Medium | Med-Green | Marginal | White | Unknown | Pale-Lavender | July | .2005 |
47
| 'My Darling' | Clements, Larry | Small | Yellow | - | - | Hybrid | Pale-Lavender | June into July | .2001 |
48
| 'My David' | Schwarz, Jim | Large | Yellow | - | - | Unknown | - | - | .2009 |
49
| 'My Gal Sal' | Freeman, Franc | Medium | Yellow | Streaked | White | Sport | - | July into August | .2009 |
50
| 'My Girl' | Schwarz, Jim | Medium | Med-Green | Marginal | White | Unknown | Pale-Lavender | June into July | .2012 |
51
| 'My Julie' | Schwarz, Jim | Medium | Blue/Green | Marginal | Yellow | Unknown | - | - | .2009 |
52
| 'My Laura' | Schwarz, Jim | Large | Med-Green | Medial | Yellow | Unknown | - | June into July | .2010 |
53
| 'My Mom' | Kuenster, Rod | Medium | Dark-Green | Streaked | Yellow | Hybrid | Near-White | June | .2008 |
54
| 'Mystic Star' | Johnson, Greg | Small | Blue/Green | - | - | Hybrid | Pale-Lavender | July into August | .2004 |
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