| No. | Cultivar | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'Allegheny River' | Medium | Med-Green | | | Hybrid | Pure-White | August | Malloy, Alex | .2005 |
|
2
| 'Blue River' | Small | Blue/Green | Marginal | Yellow | Sport | Near-White | June to July | Reath, David | .1998 |
|
3
| 'Cedar River' | Large | Dark-Green | | | Unknown | Unknown | Unknown | Malloy, Alex | --NR-- |
|
4
| 'Clear Fork River Valley' | Large | Dark-Green | | | Hybrid | Near-White | June to July | Wade, Van | .2007 |
|
5
| 'Colorado River' | Small | Dark-Green | | | Hybrid | Pale-Lavender | August | Beilstein, Doug & Malloy, Alex | .2005 |
|
6
| 'Connecticut River' | Medium | Blue/Green | | | Hybrid | Pale-Lavender | Unknown | Beilstein, Doug & Malloy, Alex | .2005 |
|
7
| 'Cosmic River' | Medium | Med-Green | Streaked | Yellow | Hybrid | Med-Lavender | July to August | Kuenster, Rod | .2011 |
|
8
| 'Country River Rapids' | Medium | Blue/Green | Marginal | Yellow | Hybrid | Pale-Lavender | August to September | Dean, Don | .2020 |
|
9
| 'Delaware River' | Medium | Blue/Green | | | Unknown | Med-Lavender | July to August | Malloy, Alex | .2005 |
|
10
| 'Eel River' | Giant | Med-Green | | | Unknown | Unknown | Unknown | Wade, Van | --NR-- |
|
11
| 'Gary Rivera' | Giant | Blue/Green | | | Unknown | Pale-Lavender | June to July | Zolock, Steve & Zolock, Sarah | .2006 |
|
12
| 'Giantland Whiskey River' | Large | Blue/Green | Marginal | White | Unknown | Unknown | Unknown | Miller, Jeff | --NR-- |
|
13
| 'Gila River' | Small | Light-Green | | | Unknown | Unknown | Unknown | Malloy, Alex | --NR-- |
|
14
| 'Gold River' | Small | Yellow | | | TC Sport | Light-Purple | July to August | Zilis, Mark & Schwarz, Jim | .2015 |
|
15
| 'Grand Calumet River' | Giant | Unknown | | | Unknown | Unknown | Unknown | Balitewicz, Bob | --NR-- |
|
16
| 'Great River Sonata' | Large | Med-Green | Marginal | White | Sport | Pale-Lavender | July to August | Zilis, Mark | .2004 |
|
17
| 'Green River' | Giant | Med-Green | | | Sport | Near-White | July | Wade, Van | .1999 |
|
18
| 'Green River Sonata' | Large | Blue/Green | Marginal | Yellow | TC Sport | Pale-Lavender | July to August | Zilis, Mark | --NR-- |
|
19
| 'Holar Rainbow River' | Large | Med-Green | Streaked | White | Hybrid | Unknown | Unknown | Van Keer, Ronny | --NR-- |
|
20
| 'Hudson River' | Small | Med-Green | Marginal | Yellow | Hybrid | Pale-Lavender | July | Malloy, Alex | .2001 |
|
21
| 'James River' | Medium | Med-Green | | | Hybrid | Med-Lavender | July to August | Beilstein, Doug & Malloy, Alex | .2005 |
|
22
| 'Lazy River' | Large | Med-Green | Streaked | Speckles | Sport | Near-White | July | Hawes, James | --NR-- |
|
23
| 'Little River' | Large | Med-Green | Medial | White | Sport | Near-White | July | Hawes, James | --NR-- |
|
24
| 'Mississippi River' | Large | Light-Green | | | Hybrid | Pure-White | June to July | Beilstein, Doug & Malloy, Alex | .2005 |
|
25
| 'Missouri River' | Small | Blue/Green | | | Hybrid | Near-White | July | Beilstein, Doug & Malloy, Alex | .2005 |
|
26
| 'Moon River' | Small | Blue/Green | Marginal | White | Unknown | Pale-Lavender | June to July | Lachman, Wm & Lachman, Eleanor | .1991 |
|
27
| 'Mystic River' | Small | Blue/Green | Streaked | Yellow | Unknown | Unknown | Unknown | Goodenough, Rick | --NR-- |
|
28
| 'Ohh! Powder River Blue' | Large | Blue/Green | | | Unknown | Near-White | June to July | Schulz, Ed | .2020 |
|
29
| 'Ohio River' | Medium | Med-Green | | | Hybrid | Unknown | Unknown | Beilstein, Doug & Malloy, Alex | --NR-- |
|
30
| 'Pale River' | Small | Yellow | | | Unknown | Unknown | July to August | Schulz, Ed | --NR-- |
|
31
| 'PeeDee Laughing River' | Medium | Med-Green | Marginal | Yellow | Hybrid | Light-Purple | August | Syre-Herz, Ursula | .1992 |
|
32
| 'Potomac River' | Large | Light-Green | | | Sport | Light-Purple | July | Van Eechaute, Danny | --NR-- |
|
33
| 'Raging River' | Small | Blue/Green | Marginal | White | Unknown | Near-White | June to July | Klotz, Ruby & Klotz, B. | .2020 |
|
34
| 'Red River' | Small | Dark-Green | | | Hybrid | Unknown | Unknown | Malloy, Alex | --NR-- |
|
35
| 'River City Blues' | Large | Blue/Green | | | Unknown | Pale-Lavender | June to July | Zilis, Mark & Ankney, Barry | .2018 |
|
36
| 'River Dance' | Medium | Blue/Green | | | Hybrid | Pale-Lavender | July | Dean, Don | .2020 |
|
37
| 'River Nile' | Giant | Blue/Green | | | Hybrid | Near-White | June to July | Moldovan, Steve | .1983 |
|
38
| 'River of Gold' | Large | Yellow | | | Unknown | Pale-Lavender | June to July | Ward, Dr Dick & Ward, Jane | .2014 |
|
39
| 'Riverboat Queen' | Giant | Med-Green | | | Unknown | Pale-Lavender | June to July | Petryszyn, Olga & Fox, Bob | .2019 |
|
40
| 'River's Edge' | Large | Blue/Green | Marginal | White | Sport | Pale-Lavender | July | Walek, Kevin | --NR-- |
|
41
| 'River's Mist' | Medium | Dark-Green | Medial | White | Unknown | Unknown | Unknown | Unknown | --NR-- |
|
42
| 'Rough River' | Large | Med-Green | Streaked | Speckles | Sport | Near-White | July | Hawes, James | --NR-- |
|
43
| 'Runt River' | Small | Dark-Green | Marginal | Light Green | Unknown | Unknown | Unknown | Unknown | --NR-- |
|
44
| 'Susquehanna River' | Small | Med-Green | Marginal | White | Hybrid | Unknown | Unknown | Beilstein, Doug & Malloy, Alex | --NR-- |
|
45
| 'Suwannee River' | Medium | Yellow | | | Unknown | Unknown | Unknown | Malloy, Alex | --NR-- |
|
46
| 'Valley's Blind River' | Medium | Dark-Green | | | Hybrid | Deep-Purple | August to September | Linneman, Jeroen | .2010 |
|
47
| 'Wild River Gold' | Small | Yellow | | | Unknown | Unknown | Unknown | Janssen, Bill | --NR-- |
|
48
| 'Wind River Gold' | Large | Yellow-Gold | | | Unknown | Pale-Lavender | July | Janssen, Bill | .2009 |
|
49
| 'Yellow River' | Medium | Med-Green | Marginal | Yellow | Unknown | Near-White | July | Smith, Eric & Ruh, Peter | .1993 .1995 |
|
50
| 'Yukon River' | Medium | Blue/Green | | | Unknown | Unknown | Unknown | Malloy, Alex | --NR-- |
|