| No. | Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'Abiqua Big Sky' | Giant | Blue/Green | | | Unknown | Unknown | June to July | Purtymun, Charles & Ruh, Peter & Ruh, Jean | .2008 |
|
2
| 'Akane' | Medium | Dark-Green | | | Unknown | Light-Purple | August to September | Watanabe, Kenji & Hawes, James & Ruh, Peter & Ruh, Jean | .2010 |
|
3
| 'Andrew Jackson' | Giant | Blue/Green | | | Unknown | Near-White | June to July | Sugita, Hajime & Ruh, Peter & Ruh, Jean | .2001 |
|
4
| 'Ani Machi' | Medium | Med-Green | Medial | Greenish White | Unknown | Light-Purple | August to September | Ruh, Peter & Ruh, Jean | .2002 .2018 |
|
5
| 'Arctic Circle' | Medium | Med-Green | Marginal | White | Unknown | Pale-Lavender | July to August | Tompkins, Chet & Ruh, Peter & Ruh, Jean | .2002 |
|
6
| 'Arctic Sunset' | Medium | Light-Green | Streaked | Yellow | Sport | Med-Lavender | August to September | Ruh, Peter & Ruh, Jean | .2005 |
|
7
| 'Blaue Venus' | Medium | Blue/Green | | | Unknown | Pale-Lavender | July to August | Klose, Heinz & Ruh, Peter & Ruh, Jean | .2003 |
|
8
| 'Blaufink' | Large | Blue/Green | | | Unknown | Pale-Lavender | August | Klose, Heinz & Ruh, Peter & Ruh, Jean | .2003 |
|
9
| 'Blauglut' | Medium | Blue/Green | | | Unknown | Pale-Lavender | August | Klose, Heinz & Ruh, Peter & Ruh, Jean | .2003 |
|
10
| 'Blaumeise' | Small | Blue/Green | | | Unknown | Pale-Lavender | August | Klose, Heinz & Ruh, Peter & Ruh, Jean | .2003 |
|
11
| 'Blauspecht' | Medium | Blue/Green | | | Unknown | Pale-Lavender | July to August | Klose, Heinz & Ruh, Peter & Ruh, Jean | .2003 |
|
12
| 'Blue Mammoth' | Giant | Blue/Green | | | Unknown | Near-White | June to July | Aden, Paul & Ruh, Peter & Ruh, Jean | .2010 |
|
13
| 'Blue Music' | Large | Blue/Green | Streaked | Yellow | Sport | Near-White | June to July | Ruh, Peter & Ruh, Jean | .2001 |
|
14
| 'Bluestone' | Large | Blue/Green | | | Hybrid | Med-Lavender | June to July | Ruh, Jean | .2010 |
|
15
| 'Blutenspiel' | Medium | Med-Green | | | Unknown | Light-Purple | August | Klose, Heinz & Ruh, Peter & Ruh, Jean | .2003 |
|
16
| 'Borsch 4' | Large | Med-Green | | | Unknown | Pale-Lavender | July to August | Borsch, Wm & Ruh, Peter & Ruh, Jean | .2005 |
|
17
| 'Butternut Hill' | Large | Med-Green | | | Hybrid | Pale-Lavender | July to August | Englerth, Lawrence & Ruh, Peter & Ruh, Jean | .2001 |
|
18
| 'Captain Teach' | Medium | Dark-Green | | | Hybrid | Med-Lavender | July to August | Sugita, Hajime & Ruh, Peter & Ruh, Jean | .2001 |
|
19
| 'Chuck's Sweetheart' | Small | Med-Green | | | Unknown | Med-Lavender | Unknown | Purtymun, Charles & Ruh, Peter & Ruh, Jean | .2009 |
|
20
| 'Dartmoor Forest' | Large | Dark-Green | | | Hybrid | Pale-Lavender | July to August | Eason, Alan & Ruh, Peter & Ruh, Jean | .2005 |
|
21
| 'Devon Hills' | Large | Dark-Green | | | Hybrid | Near-White | July | Bowden, Roger & Bowden, Ann & Ruh, Peter & Ruh, Jean | .2010 |
|
22
| 'Doreen' | Small | Light-Green | | | Unknown | Light-Purple | July to August | Klose, Heinz & Ruh, Peter & Ruh, Jean | .2009 |
|
23
| 'Dylan's Dilly' | Small | Blue/Green | Medial | Greenish White | Sport | Med-Lavender | July to August | Walden West Nursery & Ruh, Peter & Ruh, Jean | .2008 |
|
24
| 'Fagan' | Medium | Light-Green | | | Unknown | Pale-Lavender | June | Tompkins, Chet & Ruh, Peter & Ruh, Jean | .2005 |
|
25
| 'Fox Lake' | Large | Med-Green | | | Unknown | Pale-Lavender | July | Mack, Carl & Ruh, Peter & Ruh, Jean | .2002 |
|
26
| 'Franklin Pierce' | Large | Med-Green | | | Unknown | Unknown | Unknown | Ruh, Peter & Ruh, Jean | .2010 |
|
27
| 'Fulda' | Medium | Blue/Green | | | Unknown | Pale-Lavender | July to August | Klose, Heinz & Ruh, Peter & Ruh, Jean | .2003 |
|
28
| 'Fumiko' | Medium | Blue/Green | | | Unknown | Med-Lavender | July | Klose, Heinz & Ruh, Peter & Ruh, Jean | .2003 |
|
29
| 'Gladys Holly' | Medium | Med-Green | | | Unknown | Med-Lavender | Unknown | Holly, Gladys & Ruh, Peter & Ruh, Jean | .2008 |
|
30
| 'Glockenspiel' | Small | Med-Green | | | Unknown | Light-Purple | July | Klose, Heinz & Ruh, Peter & Ruh, Jean | .2008 |
|
31
| 'Gus' | Medium | Light-Green | | | Unknown | Light-Purple | July to August | Unknown & Ruh, Peter & Ruh, Jean | .2008 .2018 |
|
32
| 'Hadspen Mystique' | Large | Dark-Green | | | Hybrid | Med-Lavender | August to September | Smith, Eric & Ruh, Peter & Ruh, Jean | .2003 |
|
33
| 'Hadspen White' (Eric Smith) | Large | Light-Green | | | Hybrid | Pure-White | August to September | Smith, Eric & Ruh, Peter & Ruh, Jean | .2001 |
|
34
| 'Herkules' | Giant | Blue/Green | | | Unknown | Med-Lavender | July | Klose, Heinz & Ruh, Peter & Ruh, Jean | .2003 |
|
35
| 'Iced Lemon' | Miniature | Light-Green | Marginal | White | Sport | Light-Purple | July | Batten, Hamish & Ruh, Peter & Ruh, Jean | --NR-- |
|
36
| 'Inaho' | Medium | Dark-Green | Streaked | White | Unknown | Light-Purple | August to September | Unknown & Ruh, Peter & Ruh, Jean | .2005 .2018 |
|
37
| 'James Knox Polk' | Giant | Light-Green | | | Unknown | Unknown | Unknown | Ruh, Peter & Ruh, Jean | .2010 |
|
38
| 'Jean Ferris Ruh' | Medium | Dark-Green | Medial | Yellow | Sport | Pale-Lavender | July to August | Ruh, Peter & Ruh, Jean | .2005 |
|
39
| 'John Q. Adams' | Giant | Yellow | | | Hybrid | Pale-Lavender | July | Ruh, Peter & Ruh, Jean | .2003 |
|
40
| 'Kasseler Blue' | Medium | Blue/Green | | | Unknown | Unknown | Unknown | Klose, Heinz & Ruh, Peter & Ruh, Jean | .2008 |
|
41
| 'Kasseler Gold' | Medium | Yellow | | | Hybrid | Pale-Lavender | June to July | Klose, Heinz & Ruh, Peter & Ruh, Jean | .2003 |
|
42
| 'Konkubine' | Medium | Yellow | | | Unknown | Pale-Lavender | July | Klose, Heinz & Ruh, Peter & Ruh, Jean | .2005 |
|
43
| 'Lahn' | Small | Blue/Green | | | Unknown | Pale-Lavender | August | Klose, Heinz & Ruh, Peter & Ruh, Jean | .2005 |
|
44
| 'Lemon Crust' | Large | Med-Green | Marginal | Yellow | TC Sport | Pale-Lavender | July | Zilis, Mark & Ruh, Peter & Ruh, Jean | .2002 |
|
45
| 'Lemon Delight' | Medium | Med-Green | Marginal | Chartreuse | Sport | Deep-Purple | Unknown | Bowden, Roger & Ruh, Peter & Ruh, Jean | .2005 |
|
46
| 'Little Lemon Drop' | Miniature | Light-Green | | | Unknown | Light-Purple | July | Ruh, Peter & Ruh, Jean | .2005 .2018 |
|
47
| 'Little Sister' | Small | Yellow | | | Hybrid | Pale-Lavender | July | Fisher, Eunice V. & Ruh, Peter & Ruh, Jean | .2003 |
|
48
| 'Lotus Woods' | Giant | Light-Green | | | Unknown | Light-Purple | July to August | Mack, Carl & Ruh, Peter & Ruh, Jean | .2002 |
|
49
| 'Mañana' | Large | Dark-Green | | | Unknown | Near-White | Unknown | Tompkins, Chet & Ruh, Peter & Ruh, Jean | .2001 |
|
50
| 'Millard Fillmore' | Large | Med-Green | | | Unknown | Unknown | Unknown | Ruh, Peter & Ruh, Jean | .2010 |
|
51
| 'Minna Blue' | Medium | Blue/Green | | | Unknown | Unknown | August | Ruh, Jean | .1997 |
|
52
| 'Mirth' | Small | Light-Green | Marginal | Green | Hybrid | Med-Lavender | August to September | Matsubayashi, Nagao & Ruh, Peter & Ruh, Jean | .2001 |
|
53
| 'Molly' | Large | Blue/Green | Marginal | Yellow | Sport | Med-Lavender | July to August | Ruh, Tim & Ruh, Peter & Ruh, Jean | .2005 |
|
54
| 'Mosel' | Medium | Med-Green | | | Unknown | Med-Lavender | Unknown | Klose, Heinz & Ruh, Peter & Ruh, Jean | .2008 |
|
55
| 'Mount Daisen' | Large | Dark-Green | | | Nat-Sport | Pale-Lavender | June to July | Sugita, Hajime & Ruh, Peter & Ruh, Jean | .2005 |
|
56
| 'Mr Big' | Giant | Dark-Green | | | Unknown | Near-White | July | Walden West Nursery & Ruh, Peter & Ruh, Jean | .2010 |
|
57
| 'Nagaeto' | Medium | Light-Green | | | Unknown | Light-Purple | Unknown | Ruh, Peter & Ruh, Jean | .2010 .2018 |
|
58
| 'North Pacific High' | Large | Blue/Green | | | Unknown | Unknown | Unknown | Tompkins, Chet & Ruh, Peter & Ruh, Jean | .2001 |
|
59
| 'Okazaki' | Small | Med-Green | | | Hybrid | Med-Lavender | August to September | Sugita, Hajime & Ruh, Peter & Ruh, Jean | .2002 |
|
60
| 'Okobaji' | Small | Blue/Green | | | Unknown | Unknown | Unknown | Tompkins, Chet & Ruh, Peter & Ruh, Jean | .2008 |
|
61
| 'Olga's Shiny Leaf' | Small | Dark-Green | | | Sport | Med-Lavender | Unknown | Thiemann, Olga & Ruh, Peter & Ruh, Jean | .2004 |
|
62
| 'Olive Branch' | Medium | Med-Green | Medial | Yellow | TC Sport | Pale-Lavender | July | Moldovan, Steve & Ruh, Peter & Ruh, Jean | .2008 |
|
63
| 'Paul Bunyan' | Large | Blue/Green | | | Unknown | Near-White | June to July | Tompkins, Chet & Ruh, Peter & Ruh, Jean | .2009 |
|
64
| 'Peerless' | Large | Med-Green | | | Unknown | Pale-Lavender | August | Tompkins, Chet & Ruh, Peter & Ruh, Jean | .2001 |
|
65
| 'Pegasus' | Small | Med-Green | Medial | White | Sport | Pale-Lavender | June to July | Ruh, Peter & Ruh, Jean | .2001 |
|
66
| 'Peking' | Medium | Yellow | | | Unknown | Pale-Lavender | July | Stone, David & Ruh, Peter & Ruh, Jean | .2005 |
|
67
| 'Petticoat Pink' | Medium | Light-Green | | | Hybrid | Med-Lavender | August to September | Sugita, Hajime & Ruh, Peter & Ruh, Jean | .2001 |
|
68
| 'Piccadilly Circus' | Medium | Dark-Green | | | Unknown | Unknown | August to September | Ruh, Peter & Ruh, Jean | .2005 |
|
69
| 'Reginald Kaye' | Medium | Blue/Green | | | Unknown | Near-White | August | Ruh, Peter & Ruh, Jean | .2003 |
|
70
| 'Rhein' | Medium | Blue/Green | | | Unknown | Pale-Lavender | August | Klose, Heinz & Ruh, Peter & Ruh, Jean | .2003 |
|
71
| 'Robust Giant' | Large | Light-Green | | | Unknown | Unknown | June to July | Ruh, Peter & Ruh, Jean | .2005 |
|
72
| 'Royal Rhubarb' | Large | Med-Green | | | Hybrid | Light-Purple | July to August | Pallone, D. & Ruh, Peter & Ruh, Jean | .2005 |
|
73
| 'Rutherford Birchard Hayes' | Medium | Light-Green | | | Unknown | Med-Lavender | Unknown | Ruh, Peter & Ruh, Jean | .2010 |
|
74
| 'Saginaw' | Small | Light-Green | | | Unknown | Med-Lavender | June to July | Krossa, Gus & Ruh, Peter & Ruh, Jean | .2009 .2018 |
|
75
| 'Scarlet and Gray' | Medium | Dark-Green | | | Unknown | Unknown | Unknown | Ruh, Peter & Ruh, Jean | .2010 |
|
76
| 'Schwarzer Ritter' | Small | Dark-Green | | | Unknown | Light-Purple | Unknown | Klose, Heinz & Ruh, Peter & Ruh, Jean | .2008 |
|
77
| 'Silberpfeil' | Medium | Blue/Green | | | Unknown | Pale-Lavender | September | Klose, Heinz & Ruh, Peter & Ruh, Jean | .2005 |
|
78
| 'Snowbound' | Medium | Med-Green | Marginal | White | Unknown | Med-Lavender | July | Tompkins, Cynthia & Ruh, Peter & Ruh, Jean | .2002 |
|
79
| 'So Big' | Large | Blue/Green | | | Unknown | Unknown | Unknown | Rudolph, Thelma & Ruh, Peter & Ruh, Jean | .2010 |
|
80
| 'Spring Grove' | Giant | Med-Green | | | Unknown | Med-Lavender | July to August | Mack, Carl & Ruh, Peter & Ruh, Jean | .2002 |
|
81
| 'Squash Blossom' | Medium | Blue/Green | Marginal | Yellow | Unknown | Unknown | June to July | Tompkins, Chet & Ruh, Peter & Ruh, Jean | .2005 |
|
82
| 'Stone's Yellow Leaf' | Medium | Light-Green | | | Unknown | Unknown | Unknown | Stone, David & Ruh, Peter & Ruh, Jean | .2004 |
|
83
| 'Sunny Smiles' | Large | Light-Green | Marginal | White | Hybrid | Pale-Lavender | July | Tompkins, Chet & Ruh, Peter & Ruh, Jean | .2001 |
|
84
| 'Ten Karat Gold' | Medium | Yellow | | | Hybrid | Unknown | Unknown | Zilis, Mark & Ruh, Peter & Ruh, Jean | .2008 |
|
85
| 'Trafalgar Square' | Medium | Dark-Green | | | Unknown | Unknown | August | Ruh, Peter & Ruh, Jean | .2005 |
|
86
| 'Weser' | Medium | Blue/Green | | | Unknown | Med-Lavender | August to September | Smith, Eric & Klose, Heinz & Ruh, Peter & Ruh, Jean | .2003 |
|
87
| 'William Henry Harrison' | Large | Light-Green | | | Unknown | Unknown | Unknown | Ruh, Peter & Ruh, Jean | .2010 |
|
88
| 'Yorick' | Large | Dark-Green | Marginal | Green | Unknown | Unknown | July to August | Squires, Keith & Ruh, Peter & Ruh, Jean | .2005 |
|
89
| 'Zager's Tokudama' | Large | Blue/Green | | | Hybrid | Near-White | June to July | Zager, Herbert A. & Ruh, Peter & Ruh, Jean | .2003 |
|
90
| 'Zitronenfalter' | Medium | Light-Green | | | Unknown | Pale-Lavender | July | Klose, Heinz & Ruh, Peter & Ruh, Jean | .2003 |
|