| No. | Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'G and S Nelson's' | Giant | Med-Green | | - | Hybrid | Near-White | June into July | Kwick, Charles | .2019 |
|
2
| 'G.I. Joe' | Large | Med-Green | Marginal | Dark Green | Unknown | Near-White | July | Purvis, Owen | .2019 |
|
3
| 'Gabriel's Horn' | Giant | Yellow-Gold | | | Nat-Sport | Pale-Lavender | June into July | Rawson, Don | --NR-- |
|
4
| 'Gekko' | Miniature | Light-Green | Marginal | Yellow | Unknown | Light-Purple | August | Unknown & Ruh, Peter | .2002 .2018 |
|
5
| 'Georgie Porgie Puddin and Pie' | Large | Dark-Green | | - | Hybrid | Pale-Lavender | July | Kwick, Charles | .2020 |
|
6
| 'Gigantor' | Giant | Med-Green | | - | Unknown | Near-White | July into August | Fox, Bob & Fox, G. | .2019 |
|
7
| 'Glacial Towers' | Large | Med-Green | Marginal | Yellow | Hybrid | - | June into July | Dean, Don | .2009 |
|
8
| 'Glen Triumph' | Giant | Blue/Green | | - | Hybrid | - | July into August | Serafin, Viktoria | .2008 |
|
9
| 'Golden Bouquet' | Large | Med-Green | | - | Sport | Pale-Lavender | July into August | Benedict, Dr Ralph (Herb) & Kuenster, Rod | .2010 |
|
10
| 'Golden Harmony' | Medium | Yellow | | - | Hybrid | Near-White | July into August | King, Herb & King, Gladys | .2018 |
|
11
| 'Gray Wolf' | Large | Blue/Green | | - | Unknown | - | July into August | Carlson, Monty & Carlson, Julie | .2013 |
|
12
| 'Green Milk' | Large | Med-Green | | - | Sport | Near-White | July | Summers, Alex & Ruh, Peter | .2009 |
|
13
| 'Greenhead Golden Pineapple' | Medium | Yellow | | - | Hybrid | - | June into July | Finke, Chuck | .2009 |
|
14
| 'Greenhead Grafton Blues' | Medium | Blue/Green | | - | Hybrid | Pale-Lavender | August to September | Finke, Chuck | .2009 |
|
15
| 'Greenhead Grey's Anatomy' | Large | Blue/Green | | - | Unknown | Pale-Lavender | July into August | Finke, Chuck | .2009 |
|
16
| 'Greenie Weenie' | Medium | Yellow | | - | Hybrid | - | June | Kuenster, Rod | .2009 |
|
17
| 'Groovy Yellow' | Medium | Yellow | | - | Unknown | Med-Lavender | July into August | Kruer, George | .2009 |
|
18
| 'Gunther' | Medium | Blue/Green | Streaked | Yellow | Hybrid | Near-White | July into August | Benedict, Dr Ralph (Herb) & Kuenster, Rod | .2010 |
|
19
| 'Gus' | Medium | Light-Green | | - | Unknown | Light-Purple | July into August | Unknown & Ruh, Peter & Ruh, Jean | .2008 .2018 |
|