| Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Season | Source | Registered |
| 'Gala' | Medium | Med-Green | - | - | Unknown | August to October | Aden, Paul | .1978 |
| 'Galactic Starburst' | Medium | Dark-Green | Medial | Speckles | Hybrid | August to October | Elslager, Ed | .1999 |
| 'Gilt By Association' | Medium | Med-Green | - | - | Hybrid | August to October | Walek, Kevin | .2000 |
| 'Ginko Craig' | Medium | Med-Green | Marginal | White | Unknown | August to October | Craig, Jack & Summers, Alex | .1986 |
| 'Golden Fountain' | Large | Yellow | - | - | Hybrid | August to October | Dishon, Jim | .1993 |
| 'Gotemba Nishiki' | Small | Med-Green | Marginal | White | Nat-Sport | August to October | Unknown | --NR-- |
| 'Grand Finale' | Medium | Med-Green | - | - | Hybrid | August to October | Benedict, Dr R. (Herb) & Wilkins, Dr Jim | .1995 |
| 'Grand Slam' | Medium | Med-Green | - | - | Hybrid | August to October | Benedict, Dr Ralph (Herb) | .1990 |
| 'Great Caesar's Ghost' | Large | Blue/Green | - | - | Unknown | October | Markland, Sandie | .2002 |
| 'Green Fountain' | Large | Med-Green | - | - | Hybrid | August to October | Aden, Paul | .1979 |
| 'Green Marmalade' | Large | Dark-Green | Streaked | Speckles | Hybrid | August to October | Owens, Clarence | .1987 |
| 'Green Smash' | Large | Med-Green | - | - | Nat-Sport | August to October | Lohman, Doug & Zilis, Mark | .1988 |
| 'Green Sparkler' | Small | Med-Green | - | - | Nat-Sport | August to October | Zilis, Mark | .2010 |
| 'Grim Grinning Ghost' | Miniature | Med-Green | Streaked | White | Nat-Sport | August to October | Stadden, Josh | .2003 |
| 'Guacamole' | Large | Light-Green | - | - | Nat-Sport | August to October | Solberg, Robert | .1994 |
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