| Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
| 'Gargantua' | Giant | Blue/Green | - | - | Unknown | - | - | Wade, Van | --NR-- |
| 'Gatton Rocks Gold' | Large | Yellow | - | - | Unknown | - | - | Wade, Van | --NR-- |
| 'Geisha Green Skirt' | Medium | Med-Green | - | - | Nat-Sport | Light-Purple | August | Wade, Van | --NR-- |
| 'Gemini Moon' | Large | Blue/Green | Marginal | Yellow | Nat-Sport | Pale-Lavender | July into August | Wade, Van | --NR-- |
| 'Geronimo' | Large | Med-Green | - | - | Hybrid | - | June into July | Wade, Van | --NR-- |
| 'Ghost Dancer' | Small | Med-Green | Marginal | White | Unknown | - | - | Wade, Van | --NR-- |
| 'Gold Brim' | - | - | - | - | Unknown | - | - | Wade, Van | --NR-- |
| 'Gold Horizon' | Large | Yellow | - | - | Unknown | - | - | Wade, Van | --NR-- |
| 'Gold in May' | Large | Yellow | - | - | Unknown | - | - | Wade, Van | --NR-- |
| 'Gold Thread' | Large | Dark-Green | Marginal | White | Unknown | - | - | Wade, Van | --NR-- |
| 'Golden Cherub' | Small | Yellow | - | - | Hybrid | - | - | Wade, Van | --NR-- |
| 'Golden Dorothy of Richland' | Medium | Light-Green | | | Unknown | | | Wade, Van | |
| 'Golden Fleece' | Small | Yellow | - | - | Hybrid | - | - | Wade, Van | --NR-- |
| 'Golden Springtime' | Medium | Light-Green | - | - | Unknown | Pale-Lavender | July into August | Wade, Van | --NR-- |
| 'Golden Surf' | Small | Yellow | - | - | Unknown | Light-Purple | July | Wade, Van | --NR-- |
| 'Great American Expectations' | Large | Med-Green | Medial | Yellow | Nat-Sport | Near-White | June into July | Elslager, Ed & Wade, Van | .1999 |
| 'Great White Spirit' | Large | Blue/Green | - | - | Unknown | - | - | Wade, Van | --NR-- |
| 'Green Fascination' | Medium | Yellow | - | - | Unknown | - | - | Wade, Van | --NR-- |
| 'Green Grand Master' | Large | Med-Green | - | - | Nat-Sport | Med-Lavender | June into July | Wade, Van | --NR-- |
| 'Green Ice' | Medium | Dark-Green | - | - | Nat-Sport | Pale-Lavender | July | Wade, Van | --NR-- |
| 'Green Marmalade with Gold Edge' | Large | Med-Green | Marginal | Yellow | Unknown | - | - | Wade, Van | --NR-- |
| 'Green Medallion' | Medium | Med-Green | - | - | Unknown | - | - | Wade, Van | --NR-- |
| 'Green Moon' | Large | Med-Green | - | - | Hybrid | Pale-Lavender | July | Wade, Van & Walek, Kevin | .2009 |
| 'Green Puckered Up' | Large | - | - | - | Unknown | - | - | Wade, Van | --NR-- |
| 'Green River' | Giant | Med-Green | - | - | Nat-Sport | Near-White | July | Wade, Van | .1999 |
| 'Green Skies' | Medium | Med-Green | - | - | TC Sport | Near-White | August to September | Wade, Van & Walek, Kevin | .2009 |
| 'Green Squiggles' | Medium | Light-Green | - | - | Nat-Sport | Pale-Lavender | July into August | Wade, Van | --NR-- |
| 'Green Summer Fragrance' | Large | Med-Green | - | - | Nat-Sport | Pale-Lavender | August to September | Wade, Van | --NR-- |
| 'Green Surprise' | - | - | - | - | Unknown | - | - | Wade, Van | --NR-- |
| 'Green Town' | Large | Med-Green | - | - | Nat-Sport | Med-Lavender | June into July | Wade, Van | --NR-- |
| 'Greenie Weenie Bikini' | Small | Med-Green | - | - | Nat-Sport | Light-Purple | August | Wade, Van | .2007 |
| 'Gummy Bear' | Miniature | Med-Green | - | - | Unknown | - | July into August | Wade, Van | .1999 |
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