No. | Cultivar | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
1
| 'Blackhawk Creek' | Unknown | Unknown | | | Hybrid | Unknown | Unknown | Moore, Jeff | --NR-- |
2
| 'Cedar River' | Large | Dark-Green | | | Unknown | Unknown | Unknown | Malloy, Alex | --NR-- |
3
| 'Colesburg Blue' | Medium | Blue/Green | | | Hybrid | Pale-Lavender | June | Hackbarth, Robert | .2004 |
4
| 'Colesburg Crocodile' | Large | Med-Green | | | Unknown | Unknown | Unknown | Hackbarth, Robert | --NR-- |
5
| 'Colesburg Danielle Marie' | Unknown | Unknown | | | Unknown | Unknown | Unknown | Hackbarth, Robert | --NR-- |
6
| 'Colesburg Frogger' | Large | Med-Green | | | Unknown | Unknown | Unknown | Hackbarth, Robert | --NR-- |
7
| 'Colesburg Julia Lynn' | Large | Med-Green | Streaked | Yellow | Unknown | Unknown | Unknown | Hackbarth, Robert | --NR-- |
8
| 'Colesburg Loren Zilke' | Unknown | Unknown | | | Unknown | Unknown | Unknown | Hackbarth, Robert | --NR-- |
9
| 'Colesburg Loren's Edge' | Unknown | Unknown | | | Sport | Unknown | Unknown | Hackbarth, Robert | --NR-- |
10
| 'Colesburg Sonny Boy' | Large | Dark-Green | Medial | Yellow | Sport | Pale-Lavender | July to August | Hackbarth, Robert | .2015 |
11
| 'Colesburg Tyler John' | Medium | Med-Green | Streaked | White | Unknown | Light-Purple | July | Hackbarth, Robert | --NR-- |
12
| 'Colesburg Wiggles' | Medium | Med-Green | Marginal | Yellow | Unknown | Light-Purple | July to August | Hackbarth, Robert | .2015 |
13
| 'Dubuque Blues' | Large | Blue/Green | | | TC Sport | Near-White | June to July | Schwarz, Jim | --NR-- |
14
| 'Dubuque Star' | Medium | Yellow | | | Hybrid | Unknown | Unknown | Husemann, Jim | --NR-- |
15
| 'Dubuque Sweet Standard' | Large | Med-Green | Medial | Speckles | TC Sport | Pale-Lavender | August to September | Zilis, Mark | --NR-- |
16
| 'Dubuque University Spartans' | Medium | Blue/Green | | | Unknown | Unknown | June to July | Freeman, Franc | .2011 |
17
| 'Goat Hollow' | Large | Dark-Green | Streaked | Yellow | Hybrid | Unknown | June to July | Kuenster, Rod | .2010 |
18
| 'Holstein' | | - | | | Duplicate | - | | Duplicate Name | |
19
| 'Iowa City Lights' | Medium | Med-Green | Streaked | Yellow | Unknown | Unknown | Unknown | Moore, Jeff | --NR-- |
20
| 'Iowa Hawkeye' | Medium | Dark-Green | Medial | Yellow | Sport | Light-Purple | July to August | McBurney, Jim & McBurney, Lois & Kuenster, Rod | .2006 |
21
| 'Iowa Moon' | Medium | Yellow | Marginal | Light Green | Sport | Pale-Lavender | July to August | Simmering, Ron | .2000 |
22
| 'Iowa Moonshine' | Medium | Yellow | | | Unknown | Unknown | Unknown | Unknown | --NR-- |
23
| 'Kanzi' | Miniature | Med-Green | Marginal | Yellow | Sport | Med-Lavender | July to August | Wittebol, R. & Van Eechaute, Danny | --NR-- |
24
| 'Northern Iowa Wrestling' | Medium | Med-Green | Streaked | White | Unknown | Unknown | June to July | Freeman, Franc | .2012 |
25
| 'Ohh! Lovilia' | Large | Yellow | | | Unknown | Near-White | June to July | Schulz, Ed | .2015 |
26
| 'Sioux City' | | - | | | Duplicate | - | | Duplicate Name | |
27
| 'Sounds of Kinnick' | Small | Blue/Green | Streaked | White | Hybrid | Unknown | Unknown | Kuenster, Rod | --NR-- |
28
| 'Yellow River' | Medium | Med-Green | Marginal | Yellow | Unknown | Near-White | July | Smith, Eric & Ruh, Peter | .1993 .1995 |
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