| Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
| 'Gable's Gold' | Small | Light-Green | - | - | Unknown | - | July into August | Freeman, Franc | .2011 |
| 'Gitchigumi' | Giant | Blue/Green | - | - | Hybrid | Pure-White | July | Petryszyn, Olga | .2009 |
| 'Gold Flush' | Medium | Blue/Green | Marginal | White | Nat-Sport | Light-Purple | July | Bloom, Alan | .1984 |
| 'Golden Days' | Giant | Yellow-Gold | - | - | Nat-Sport | Pale-Lavender | July | Green Mountain Hosta | --NR-- |
| 'Golden Francee' | Medium | Yellow | - | - | Nat-Sport | Near-White | June into July | Wallace | --NR-- |
| 'Golden Great Expectations' | Medium | Yellow | - | - | TC Sport | Near-White | June into July | Zilis, Mark | --NR-- |
| 'Golden Patrician' | Medium | Yellow | - | - | Nat-Sport | Light-Purple | August | Unknown | --NR-- |
| 'Golden Plum' | Medium | Yellow | - | - | Nat-Sport | Light-Purple | August | Lewis, Alan & Ruh, Peter | .1997 |
| 'Gotham' | Giant | Blue/Green | - | - | Hybrid | - | July | Petryszyn, Olga | .2009 |
| 'Grandflora Green Petiole' | Large | Dark-Green | - | | Hybrid | Med-Lavender | July | Liu, Donghuan | .2019 |
| 'Great Surprise' | Giant | Blue/Green | - | - | Nat-Sport | Near-White | June into July | Unknown | --NR-- |
| 'Great Village' | Large | Yellow | - | - | Nat-Sport | Pale-Lavender | July into August | Haskins, Allen | .2011 |
| 'Grecian Green' | Large | Light-Green | - | - | Hybrid | Med-Lavender | June into July | Stephens, Ray | .1990 |
| 'Green Bag' | Medium | Med-Green | - | - | Nat-Sport | Med-Lavender | July into August | Heemskerk, Gerardus | .2014 |
| 'Greenie Weenie' | Medium | Yellow | - | - | Hybrid | - | June | Kuenster, Rod | .2009 |
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