Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
'Barbara' | Medium | Blue/Green | - | - | Unknown | Light-Purple | July | Stone, David & Ruh, Peter | .1987 |
'Beaulah' | Small | Med-Green | Marginal | Yellow | Unknown | Light-Purple | August | Stone, David & Ruh, Peter | .1988 |
'Blue Boy' | Large | Blue/Green | - | - | Hybrid | Pale-Lavender | - | Stone, David & AHS | .1986 |
'Blue Rock' | Giant | Blue/Green | - | - | Unknown | Near-White | June into July | Fisher, Eunice V. & Stone, David | .1986 |
'Bonnie' | Large | Blue/Green | - | - | Unknown | Near-White | June into July | Stone, David & Ruh, Peter | .1987 |
'Brooke' | Large | Med-Green | - | - | Unknown | Pale-Lavender | July | Stone, David & Ruh, Peter | .1987 |
'Bruce' | Small | Med-Green | - | - | Unknown | Med-Lavender | June into July | Stone, David & Ruh, Peter | .2002 |
'Carrie Ann' | Small | Blue/Green | Marginal | White | Unknown | Pure-White | August | Stone, David & Ruh, Peter | .1988 |
'Dustin' | Medium | Med-Green | Marginal | White | Unknown | Pale-Lavender | July into August | Stone, David & Ruh, Peter | .1988 |
'Eireann' | Large | Blue/Green | - | - | Unknown | Pale-Lavender | July into August | Stone, David & Ruh, Peter | .1991 |
'Ellen' | Small | Med-Green | - | - | Hybrid | Light-Purple | July | Stone, David & Ruh, Peter | .1987 |
'Emerald Gem' | Small | Yellow | - | - | Unknown | Light-Purple | July | Stone, David & Ruh, Peter | .1991 |
'Excalibur' | Small | Blue/Green | Marginal | White | Unknown | Light-Purple | August | Stone, David & AHS | .1986 |
'Hazel' | Small | Yellow | - | - | Unknown | Light-Purple | July | Stone, David & Ruh, Peter | .1987 |
'Jo Jo' | Small | Med-Green | Marginal | White | Unknown | Light-Purple | August | Stone, David & Ruh, Peter | .1987 |
'Leprechaun' | Miniature | Med-Green | - | - | Unknown | Light-Purple | July | Stone, David & Ruh, Peter | .1991 |
'Little Ann' | Miniature | Med-Green | Marginal | White | Unknown | Light-Purple | August | Stone, David & Ruh, Peter | .1988 |
'Margaret' | Miniature | Med-Green | - | - | Unknown | Light-Purple | August | Stone, David & Ruh, Peter | .1987 |
'Mary Jo' | Small | Blue/Green | - | - | Unknown | Pale-Lavender | July | Stone, David & Ruh, Peter | .1987 |
'Oakview' | Small | Blue/Green | - | - | Unknown | Med-Lavender | June into July | Stone, David & Ruh, Peter | .1987 |
'Pauline' | Small | Med-Green | - | - | Unknown | Med-Lavender | August to October | Stone, David & Ruh, Peter | .1987 |
'Pearl Lake' | Medium | Blue/Green | - | - | Unknown | Pale-Lavender | July | Stone, David & Payne, Frank | .1982 |
'Peking' | Medium | Yellow | - | - | Unknown | Pale-Lavender | July | Stone, David & Ruh, Peter & Jean | .2005 |
'Piedmont Gold' | Large | Yellow | - | - | Unknown | Near-White | June into July | Stone, David & Payne, Henry | .1982 |
'Piedmont's Gold Miniature' | Miniature | Yellow | - | - | Unknown | Light-Purple | July | Stone, David & Payne, Henry | --NR-- |
'Spring Gold' (Stone) | - | - | - | - | Unknown | - | - | Stone, David | --NR-- |
'Stones' | Large | Dark-Green | - | - | Nat-Sport | Pale-Lavender | June into July | Stone, David | --NR-- |
'Stones Golden Sunburst' | - | Yellow | - | - | Unknown | - | - | Stone, David | --NR-- |
'Stone's Valentine' | Medium | Yellow | - | - | Unknown | Med-Lavender | July | Stone, David & Ruh, Peter | .1989 |
'Stone's Yellow Leaf' | Medium | Light-Green | - | - | Unknown | - | - | Stone, David & Ruh, Peter & Jean | .2004 |
'Sunnybrook' | Medium | Blue/Green | Marginal | Yellow | Duplicate | Near-White | June | Stone, David & Ruh, Peter & Banyai, Pauline | .1987 |
'Wolcott' | Giant | Dark-Green | Streaked | Speckles | Hybrid | Pale-Lavender | June into July | Stone, David | .1982 |
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