| No. | Cultivar | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
|
1
| 'Abba Double Header' | Medium | Med-Green | Medial | White | Unknown | Unknown | June to July | Aden, Paul & Zilis, Mark | .2010 |
|
2
| 'Country Double Take' | Medium | Med-Green | Marginal | Yellow | Hybrid | Med-Lavender | August to September | Dean, Don | .2019 |
|
3
| 'Double Cup' | | - | | | Duplicate | - | | Duplicate Name | |
|
4
| 'Double D Cup' | Medium | Light-Green | Marginal | Green | Sport | Near-White | June to July | Asch, Stuart | .2017 |
|
5
| 'Double Dutch' | Small | Yellow | Streaked | Green | Sport | Pale-Lavender | July to August | Unknown | --NR-- |
|
6
| 'Double Eagle' | Giant | Light-Green | | | Hybrid | Near-White | June to July | Dean, Don | .2000 |
|
7
| 'Double Edge' | Medium | Blue/Green | Marginal | Yellow | Hybrid | Pale-Lavender | July | Aden, Paul | .1982 |
|
8
| 'Double Exposure' | Medium | Med-Green | Medial | Yellow | Unknown | Unknown | Unknown | Asch, Stuart | --NR-- |
|
9
| 'Double Gold Edger' | | - | | | Duplicate | - | | Duplicate Name | |
|
10
| 'Double Pistache' | Large | Dark-Green | Medial | Light Green | Sport | Near-White | June to July | Van Eechaute, Danny | --NR-- |
|
11
| 'Double Trouble' | Large | Med-Green | | | Sport | Pure-White | August | Banyai, Pauline | --NR-- |
|
12
| 'Double Vision' | Small | Med-Green | Marginal | White | Hybrid | Unknown | Unknown | Meyer, Bill | --NR-- |
|
13
| 'Double Your Pleasure' | Medium | Light-Green | | | Hybrid | Pale-Lavender | June to July | Brown, Sandy | .2018 |
|
14
| 'Doubled Up' | Medium | Dark-Green | | | Sport | Pure-White | July to August | Solberg, Robert | .2011 |
|
15
| 'Doublemint' | Medium | Light-Green | Streaked | Yellow | Hybrid | Pale-Lavender | July | Elslager, Ed | .2001 |
|
16
| 'Royal Standard Double' | Large | Med-Green | | | Sport | Pure-White | August to September | Unknown | --NR-- |
|
17
| 'Triple Double' | Medium | Blue/Green | | | Hybrid | Unknown | Unknown | Jolliffe, Thomas | --NR-- |
|
18
| 'Valley's Double' | Medium | Dark-Green | | | Hybrid | Unknown | Unknown | Linneman, Jeroen | --NR-- |
|
19
| 'Valley's Double Dutch' | Small | Blue/Green | Marginal | Yellow | Unknown | Pale-Lavender | August to September | Linneman, Jeroen | .2018 |
|