| Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
| 'Alex Summers' | Large | Blue/Green | Marginal | Yellow | Sport | Pale-Lavender | June into July | Santa Lucia, Vic | .1989 |
| 'Allan P. McConnell' | Medium | Med-Green | Marginal | White | Unknown | Pale-Lavender | July into August | McConnell, Allan & Seaver, Mildred | .1980 |
| 'Allen C. Haskell' | Large | Dark-Green | Streaked | Yellow | Unknown | Pale-Lavender | July | Seaver, Mildred & Walek, Kevin & The American Hosta Society | .2009 |
| 'Anderson Form', H. kikutii | Large | Med-Green | | | Nat-Sport | Near-White | August to September | Anderson, Kenneth | --NR-- |
| 'Anderson Form', H. venusta | Medium | Med-Green | - | - | Hybrid | Light-Purple | July | Anderson, Kenneth | --NR-- |
| 'Ann Kulpa' | Large | Med-Green | Medial | White | Hybrid | Near-White | July into August | Kulpa, John | .1999 |
| 'Anne Arett No. 39' | - | - | - | - | Duplicate | - | - | Duplicate Name | --NR-- |
| 'Arett's Wonder' | Large | Blue/Green | - | - | Hybrid | Pale-Lavender | June into July | Arett, Anne & The American Hosta Society | .1986 |
| 'Arlene Mae Savory' | Small | Blue/Green | Medial | White | Sport | Med-Lavender | June into July | Savory, Dennis | .2009 |
| 'Audra Wilson' | Large | Med-Green | Streaked | Yellow | Unknown | - | - | Benedict, Dr Ralph (Herb) | --NR-- |
| 'Audra's Expectations' | Medium | Blue/Green | Medial | White | TC Sport | Pure-White | June into July | Wilson, Audra | --NR-- |
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