No.CultivarPod ParentPollen ParentSport MotherIn the BackgroundTOTAL OFFSPRINGSourceRegistered
1 'Sieboldiana'81231218821998Unknown--NR--
2 'Elegans'59442813911522Arends, George & The American Hosta Society.1987
3 'Tokudama'47281010721157Unknown--NR--
4 'Fortunei'731910401069Unknown--NR--
5 'Frances Williams'433226843944Williams, Frances & Williams, Connie.1986
6 'Tardiflora'12109745776Unknown--NR--
7 Hosta sieboldii20625704755Species from Japan--NR--
8 Hosta longipes lancea100683684Unknown--NR--
9 'Beatrice'3276401446Williams, Frances--NR--
10 'Tokudama Aureonebulosa'17137405442Unknown & The American Hosta Society.1987
11 Hosta nigrescens1232410427Species from Japan--NR--
12 "Aden No. 270"300416419Aden, Paul--NR--
13 "Aden No. 275"030416419Aden, Paul--NR--
14 Hosta montana55244536399Species from Japan--NR--
15 'Flamboyant'3073311351Tompkins, Chet & Aden, Paul.1978
16 Hosta plantaginea154615259335Species from China--NR--
17 Hosta venusta553016228329Species from Korea--NR--
18 Hosta nakaiana5064241301Species from Korea--NR--
19 'Dorothy Benedict'150251461250Benedict, Dr Ralph (Herb).1983
20 'Fortunei Hyacinthina'1241196240Hylander, Nils & The American Hosta Society.1987
21 Hosta hypoleuca27505151233Species from Japan--NR--
22 'Yellow Splash'1954205233Aden, Paul.1976
23 Hosta pycnophylla42612122227Species from Japan--NR--
24 'Fascination'3452177218Shaw, Florence & Ruh, Peter.1978
25 Hosta kikutii211313189216Species from Japan--NR--
26 'High Fat Cream'464206210Shaw, Florence & Aden, Paul.1976
27 'Neat Splash'61103133207Aden, Paul.1978
28 'Golden Waffles'780184201Shaw, Florence.1976
29 'Fortunei Robusta' (Ruh)020181182Duplicate Name 
30 'Fortunei Gigantea'721167176Bailey, Liberty Hyde & The American Hosta Society.1987
31 'Bengee'100174175Harrison, Dr Jamison & Ruh, Peter.1999
32 "Aden No. 359"100166167Duplicate Name 
33 'Sum and Substance'55106635166Shaw, Florence & Aden, Paul.1980
34 Hosta longipes3975059155Species from Japan--NR--
35 'William Lachman'592670137Vaughn, Kevin.1981
36 Hosta rupifraga158587135Species from Japan--NR--
37 'Breeder's Choice'273596131Vaughn, Kevin.1987
38 Hosta fluctuans203126131Species from Japan--NR--
39 'August Moon'2244559130Langfelder, Richard & Ruh, Peter.1996
40 'Halcyon'22333936130Smith, Eric & The American Hosta Society.1988
41 'Golden Prayers'231123129Aden, Paul.1976
42 Hosta ventricosa36221852128Species from China--NR--
43 'Aspen Gold'1168100125Grapes, Vivian.1986
44 'Dorset Blue'1019393125Smith, Eric & Aden, Paul.1977
45 'Gold Cadet'220118121Shaw, Florence.1974
46 'Sagae'46251731119Watanabe, Kenji & Hagiwara, Eigon.1987
47 Hosta yingeri2120169111Species from Korea by Yinger, Barry--NR--
48 'Green Fountain'151103110Aden, Paul.1979
49 Hosta rectifolia1521675108Species from Japan--NR--
50 'Francee'422676107Klopping, Minnie & The American Hosta Society.1986
51 'White Vision'140090104Aden, Paul.1978

This hosta was once thought to be a species (H. fortunei) but was changed to cultivar status (H. 'Fortunei') by Schmid in 1991. There are many, many cultivars which also had their names changed from, for example, H. fortunei 'Gigantea' to H. 'Fortunei Gigantea' at that time. These plants were often used as parent plants for others which means that H. 'Fortunei' would be in the Genetic Background of all of these cultivars. There are also many hostas called 'Fortunei'-Type.

According to a presentation we heard by a former Hosta Registrar, the largest single group of hostas that have been registered would fall into the "large size, blue-green" category. When you look into their background, the most common plants you find are H. 'Sieboldiana' and H. Elegans' which were historically called the species H. sieboldiana and its cultivar H. sieboldiana 'Elegans'. In 2010, the species, H. sieboldiana was reclassified as a cultivar, H. 'Sieboldiana'...although some Hostaphiles still debate the change in status.

For decades, people have often confused these two plants whether in the garden or in the nursery trade when identifying large, blue-green hostas. We have used the statements found in various reference books, The Hosta Journal and online resources to place one or both of these plants in the background of cultivars. Several sources say that, barring some type of DNA testing, it is nearly impossible to say for sure whether H. 'Sieboldiana' or H. 'Elegans' or both are in the background of a specific hosta cultivar. However, since 'Elegans' is a sport of H. 'Sieboldiana', we must assume that H. 'Sieboldiana' is in the background of all of these plants. It is just a judgment as to whether it is the parent, grandparent or further back in the lineage.

This is a group of medium size, intensely blue-green hostas which were developed by English hybridizer, Eric Smith in the 1960s. They were the result of an unusual cross when a normally early season blooming H. sieboldiana 'Elegans' produced flowers in late summer. That allowed Smith to cross it with late season blooming H. 'Tardiflora'. Recently, what was then considered the species, H. sieboldiana has been changed to cultivar status as H. 'Sieboldiana'.

In our database, H. 'Tardiflora', 'Sieboldiana' and 'Elegans' have been included in the Genetic Background of 159 hostas which are either part of the original Tardiana Group or are noted as being a "Tardiana-Type" plant. This indicates that the person giving this designation felt that one of the original Tardianas was in a plant's genetic background.

This is another plant that was once considered a species (H. tokudama) but was changed to cultivar status (H. 'Tokudama') by Schmid in 1991. There are many cultivars which had their names changed from, for example, H. tokudama 'Aureonebulosa' to H. 'Tokudama Aureonebulosa'. These hostas were often used as parent plants for others which means that H. 'Tokudama' would be in the Genetic Background of all of these plants too.


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