No. | Cultivar | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
1
| 'Abiqua Big Sky' | Giant | Blue/Green | | | Unknown | Unknown | June to July | Purtymun, Charles & Ruh, Peter & Ruh, Jean | .2008 |
2
| 'Big Sky' | Unknown | Unknown | | | Unknown | Unknown | Unknown | Unknown | --NR-- |
3
| 'Cosmic Sky' | Large | Blue/Green | Marginal | Yellow | Unknown | Unknown | Unknown | Kuenster,Rod | --NR-- |
4
| 'Dostoyevsky' | Unknown | Unknown | | | Hybrid | Unknown | Unknown | Moore, Jeff | --NR-- |
5
| 'Feel the Sky' | Small | Blue/Green | | | TC Sport | Pale-Lavender | August | Van Eechaute, Danny | --NR-- |
6
| 'Flemish Sky' | Medium | Blue/Green | | | Unknown | Pale-Lavender | August | Van Eechaute, Danny | .2004 |
7
| 'Foxfire Night Skye' | Medium | Dark-Green | Marginal | Yellow | Sport | Light-Purple | June to July | Schulte, Steve | .2009 |
8
| 'Frisian Misty Sky' | Medium | Blue/Green | | | Hybrid | Light-Purple | August to September | Aukema, Bate | --NR-- |
9
| 'Giantland Skylight Bowl' | Medium | Blue/Green | | | Unknown | Unknown | Unknown | Miller, Jeff | --NR-- |
10
| 'Hanjas Blue Sky' | Small | Blue/Green | | | Unknown | Unknown | Unknown | Hansen, Jan Hurup | --NR-- |
11
| 'Hanjas Sky' | Unknown | Unknown | | | Unknown | Unknown | Unknown | Hansen, Jan Hurup | --NR-- |
12
| 'Horsetail Sky' | Large | Blue/Green | Streaked | Yellow | Unknown | Unknown | Unknown | Goodenough, Rick | --NR-- |
13
| 'Iron Sky' | Small | Blue/Green | | | Sport | Pale-Lavender | August | Van Eechaute, Danny | .2012 |
14
| 'Kempen Sky High' | Medium | Blue/Green | | | Hybrid | Light-Purple | July to August | Butaye, Patrick | .2015 |
15
| 'Kiwi Blue Sky' | Small | Blue/Green | | | Hybrid | Pure-White | June to July | Sligh, Barry | .1999 |
16
| 'Kiwi Skyscraper' | Large | Blue/Green | | | Hybrid | Pale-Lavender | July to August | Sligh, Barry | --NR-- |
17
| 'Marshmallow Sky' | Medium | Med-Green | Medial | White | Sport | Med-Lavender | July | Fransen, Marco & Fransen, Joyce | --NR-- |
18
| 'Night Skye' | | - | | | Duplicate | - | | Duplicate Name | |
19
| 'October Sky' | Medium | Blue/Green | | | Hybrid | Near-White | August to September | Dean, Don | .2008 |
20
| 'Paradise Blue Sky' | Large | Blue/Green | | | Hybrid | Near-White | June to July | Fransen, Marco | --NR-- |
21
| 'Pie in the Sky' | Large | Med-Green | Streaked | Yellow | Hybrid | Med-Lavender | July to August | Elslager, Ed | .2003 |
22
| 'Polar Sky' | Large | Dark-Green | Medial | Yellow | Unknown | Pure-White | June to July | Postlewaite, Peter | .2021 |
23
| 'Prairie Sky' | Medium | Blue/Green | | | Hybrid | Pale-Lavender | July to August | Hansen, Hans & Shady Oaks Nursery | .2005 |
24
| 'Reach for the Sky' | | - | | | Duplicate | - | | Duplicate Name | |
25
| 'Risky Business' | Large | Dark-Green | Medial | White | Sport | Pale-Lavender | July | Hansen, Hans | .2002 |
26
| 'Sky Blue Waters' | Large | Blue/Green | Marginal | Yellow | Hybrid | Light-Purple | July to August | Elslager, Ed | .2005 |
27
| 'Sky Crystal' | Giant | Blue/Green | | | Unknown | Unknown | Unknown | Moldovan, Steve | --NR-- |
28
| 'Sky Dancer' | Medium | Blue/Green | | | Hybrid | Pale-Lavender | August to September | Van Eechaute, Danny | .2003 |
29
| 'Sky High' | Giant | Blue/Green | | | Hybrid | Pale-Lavender | July to August | Elslager, Ed | .2005 |
30
| 'Sky King' | Medium | Med-Green | | | Hybrid | Med-Lavender | July to August | Purvis, Owen & Purvis, Sue | .2009 |
31
| 'Sky Kissed' | Medium | Blue/Green | | | Hybrid | Pale-Lavender | June to July | Powell, Loleta | .1991 |
32
| 'Sky Pilot' | Giant | Blue/Green | | | Sport | Med-Lavender | July | Green Mountain Hosta | --NR-- |
33
| 'Sky Princess' | Medium | Light-Green | | | Unknown | Unknown | Unknown | Unknown | --NR-- |
34
| 'Skylands' | Unknown | Unknown | | | Unknown | Unknown | Unknown | Longmuir & Skylands Nursery | --NR-- |
35
| 'Skylight' | Medium | Blue/Green | | | Hybrid | Pale-Lavender | June | Stegeman, Bev & Stegeman, Dave | .2001 |
36
| 'Skyrocket' | Large | Yellow | | | Sport | Pale-Lavender | July to August | Kuk, Bob | .1999 |
37
| 'Skyscraper' | | - | | | Duplicate | - | | Duplicate Name | |
38
| 'Skywalker' | Large | Blue/Green | | | TC Sport | Near-White | June to July | Zilis, Mark | .2011 |
39
| 'Skyward' | Large | Blue/Green | | | Hybrid | Pale-Lavender | June to July | Elslager, Ed | .2000 |
40
| 'Skywriter' | Unknown | Blue/Green | | | Hybrid | Med-Lavender | August | Wols, Dan | --NR-- |
41
| 'Touch the Sky' | Large | Med-Green | Marginal | Yellow | Hybrid | Near-White | July to August | Elslager, Ed | .2001 |
42
| 'Valley's Misty Sky' | Medium | Blue/Green | Streaked | Yellow | Sport | Unknown | Unknown | Linneman, Jeroen | --NR-- |
43
| 'Valley's Skydiver' | Medium | Blue/Green | Medial | Yellow | Hybrid | Unknown | Unknown | Linneman, Jeroen | --NR-- |
44
| 'Valley's Spirit in the Sky' | Large | Blue/Green | | | Unknown | Unknown | Unknown | Linneman, Jeroen | --NR-- |
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