| Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
| 'Amagi Nishiki' | Small | Med-Green | Medial | Yellow | Nat-Sport | Light-Purple | September | Sugita, Hajime | --NR-- |
| 'Amagi-kintoki' | Small | Yellow | Marginal | Green | Hybrid | Light-Purple | September | Sugita, Hajime | --NR-- |
| 'Amethyst Joy' | Medium | Green | - | - | Hybrid | - | July into August | Sugita, Hajime & Ruh, Peter | .2000 |
| 'Andrew Jackson' | Giant | Blue/Green | - | - | Unknown | Near-White | June into July | Sugita, Hajime & Ruh, Peter & Jean | .2001 |
| 'Belle Of The Ball' | Medium | Med-Green | - | - | Hybrid | Pale-Lavender | August | Sugita, Hajime & Ruh, Peter | .1998 |
| 'Blaue Ruh' | Large | Blue/Green | - | - | Unknown | Pale-Lavender | July | Sugita, Hajime & Ruh, Peter | .2003 |
| 'Bloody Mary' | Large | Med-Green | - | - | Hybrid | Deep-Purple | August | Sugita, Hajime & Ruh, Peter | .1999 |
| 'Busen' | Medium | Yellow | Marginal | Yellow | Nat-Sport | Pale-Lavender | July | Sugita, Hajime | --NR-- |
| 'Captain Teach' | Medium | Dark-Green | - | - | Hybrid | Med-Lavender | July into August | Sugita, Hajime & Ruh, Peter & Jean | .2001 |
| 'Condor' | Small | Med-Green | - | - | Hybrid | Light-Purple | August to October | Sugita, Hajime & Ruh, Peter | .2002 |
| 'Doctor Fu Manchu' | Medium | Dark-Green | - | - | Hybrid | Light-Purple | September | Sugita, Hajime & Ruh, Peter | .1998 |
| 'Dragon's Blood' | Medium | Med-Green | - | - | Hybrid | Pale-Lavender | July into August | Sugita, Hajime & Ruh, Peter | .1998 |
| 'Grover Cleveland' | Large | Blue/Green | - | - | Unknown | Pale-Lavender | June into July | Sugita, Hajime & Ruh, Peter | .2001 |
| 'Inland Sea' | Medium | Dark-Green | - | - | Hybrid | Light-Purple | August | Sugita, Hajime & Zilis, Mark | .1998 |
| 'James A. Garfield' | Medium | Dark-Green | - | - | Hybrid | Pale-Lavender | August to October | Sugita, Hajime & Ruh, Peter | .2005 |
| 'James Buchanan' | Small | Light-Green | - | - | Unknown | Pale-Lavender | June into July | Sugita, Hajime & Ruh, Peter | .2005 |
| 'James Madison' | Medium | Med-Green | - | - | Hybrid | Light-Purple | August to October | Sugita, Hajime & Ruh, Peter | .2005 |
| 'James Monroe' | Medium | Yellow | - | - | Unknown | Pale-Lavender | June into July | Sugita, Hajime & Ruh, Peter | .2005 |
| 'Joshu Iwa' | Small | Med-Green | - | - | Hybrid | - | - | Sugita, Hajime | --NR-- |
| 'Karenka' | Medium | Med-Green | - | - | Hybrid | Pure-White | - | Sugita, Hajime | --NR-- |
| 'Kyoto' | Medium | Med-Green | - | - | Hybrid | Med-Lavender | August to October | Sugita, Hajime & Ruh, Peter | .2001 |
| 'Lake Chautauqua' | Large | Dark-Green | - | - | Unknown | Light-Purple | July | Sugita, Hajime & Ruh, Peter | .1998 |
| 'Lavender Doll' | Large | Med-Green | - | - | Hybrid | Pale-Lavender | August | Sugita, Hajime & Ruh, Peter | .1998 |
| 'Lavender Stocking' | Large | Blue/Green | - | - | Hybrid | Pale-Lavender | August | Sugita, Hajime & Ruh, Peter | .1998 |
| 'Martin Van Buren' | Medium | Med-Green | - | - | Hybrid | Pale-Lavender | September | Sugita, Hajime & Ruh, Peter | .2005 |
| 'Mikawa-no-yuki' | Medium | Med-Green | - | - | Hybrid | Pale-Lavender | August to October | Sugita, Hajime & Ruh, Peter | .1997 |
| 'Miracle Lemony' | Medium | Dark-Green | - | - | Hybrid | Yellow | August to September | Sugita, Hajime | --NR-- |
| 'Moonlight Madness' | - | Yellow | Marginal | Yellow | Hybrid | - | June into July | Sugita, Hajime & Ruh, Peter | .1999 |
| 'Mount Daisen' | Large | Dark-Green | - | - | Hybrid | Pale-Lavender | June into July | Sugita, Hajime & Ruh, Peter & Jean | .2005 |
| 'Okazaki' | Small | Med-Green | - | - | Hybrid | Med-Lavender | August to September | Sugita, Hajime & Ruh, Peter & Jean | .2002 |
| 'Petticoat Pink' | Medium | Light-Green | - | - | Hybrid | Med-Lavender | August to September | Sugita, Hajime & Ruh, Peter & Jean | .2001 |
| 'Powder Blue' | Giant | Blue/Green | - | - | Unknown | Pale-Lavender | June | Sugita, Hajime & Ruh, Peter | .1998 |
| 'Quaker Lady' | Medium | Med-Green | - | - | Hybrid | Pale-Lavender | August | Sugita, Hajime & Ruh, Peter | .1999 |
| 'Qualifying Queen' | Large | Blue/Green | - | - | Hybrid | Pale-Lavender | August | Sugita, Hajime & Ruh, Peter | .1999 |
| 'Red Legs' | Large | Dark-Green | - | - | Hybrid | - | August to October | Sugita, Hajime & Ruh, Peter | .1998 |
| 'Sasquatch' | Large | Blue/Green | - | - | Unknown | Near-White | June into July | Sugita, Hajime & Ruh, Peter | .1998 |
| 'Seishika' | Medium | Light-Green | - | - | Hybrid | Light-Purple | August to October | Sugita, Hajime | --NR-- |
| 'Shirobana Fuiri Koba' | - | Med-Green | - | - | Nat-Sport | Near-White | - | Sugita, Hajime | --NR-- |
| 'Strawberry Delight' | Medium | Med-Green | - | - | Hybrid | Light-Purple | September | Sugita, Hajime & Ruh, Peter | .1998 |
| 'Swan Lake' | Large | Blue/Green | - | - | Hybrid | Pale-Lavender | August | Sugita, Hajime & Ruh, Peter | .1998 |
| 'Theodore Roosevelt' | Large | Light-Green | - | - | Unknown | Pale-Lavender | June into July | Sugita, Hajime & Ruh, Peter | .2001 |
| 'Thomas Jefferson' | Large | Yellow | - | - | Unknown | Near-White | June into July | Sugita, Hajime & Ruh, Peter | .2001 |
| 'Toots' | Medium | Med-Green | - | - | Hybrid | Pale-Lavender | - | Sugita, Hajime & Ruh, Peter | .1998 |
| 'Tosayama' | Small | Yellow | - | - | Unknown | - | - | Sugita, Hajime | --NR-- |
| 'Ulysses S Grant' | Large | Med-Green | - | - | Unknown | Pale-Lavender | July | Sugita, Hajime & Ruh, Peter | .2001 |
| 'White Heron' | Medium | Dark-Green | - | - | Hybrid | Pure-White | August | Sugita, Hajime & Ruh, Peter | .2001 |
| 'Zachary Taylor' | Medium | Yellow | - | - | Unknown | Pale-Lavender | June into July | Sugita, Hajime & Ruh, Peter | .2001 |
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