| Cultivar Name | Source | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Registered |
| 'Aardvark' | Savory, Dennis | Large | Light-Green | Medial | Blue-Green | Hybrid | Near-White | July into August | .1991 |
| 'All Aflutter' | Dean, Don | Medium | Blue/Green | Marginal | Yellow | Hybrid | Med-Lavender | July into August | .2019 |
| 'Alpine Aire' | Minks, Eldren | Medium | Yellow | - | - | Hybrid | Pale-Lavender | July into August | .1980 |
| 'Alpine Dream' | Savory, Robert | Medium | Med-Green | - | - | Hybrid | Light-Purple | July | .1982 |
| 'Alvatine Taylor' | Minks, Eldren | Large | Blue/Green | Marginal | Yellow | Nat-Sport | Pure-White | June into July | .1990 |
| 'Amber Waves' | Minks, Eldren | Large | Yellow | - | - | Hybrid | - | - | --NR-- |
| 'American Gladiator' | Hansen, Hans | Large | Blue/Green | Marginal | Yellow | Hybrid | Near-White | June into July | .2007 |
| 'American Icon' | Hansen, Hans & Shady Oaks Nursery | Large | Med-Green | Marginal | Yellow | Nat-Sport | Pale-Lavender | July | .2004 |
| 'American Sweetheart' | Hansen, Hans | Large | Dark-Green | Medial | White | Nat-Sport | Pale-Lavender | July into August | .2002 |
| 'Amy's Hope' | Snyder, Ron | Medium | Yellow | Marginal | White | Nat-Sport | Light-Purple | July | .2000 |
| 'Anderson Form' | Anderson, Kenneth | Medium | Med-Green | - | - | Hybrid | Light-Purple | July | --NR-- |
| 'Anderson No. 120' | Anderson, Kenneth | Small | - | - | - | Hybrid | - | - | --NR-- |
| 'Andrew' | Hansen, Hans | Large | Blue/Green | Medial | White | Nat-Sport | Near-White | June into July | .2006 |
| 'Angie's Dimples' | Milbradt, Marc | Large | Dark-Green | - | - | Nat-Sport | - | August to September | .2009 |
| 'Anna Mae' | Savory, Dennis | Medium | Blue/Green | Marginal | Yellow | Unknown | Pale-Lavender | - | .2012 |
| 'Anne Arett' | Arett, Anne | Small | Med-Green | Marginal | White | Nat-Sport | Light-Purple | July into August | .1975 |
| 'Applause' | Hansen, Hans | Large | Med-Green | Marginal | Yellow | Nat-Sport | Light-Purple | June into July | .2006 |
| 'Apple Green' | Anderson, Kenneth | Medium | Med-Green | - | - | Hybrid | Light-Purple | June into July | .1982 |
| 'Arctic Blast' | Carlson, Monty & Julie | Medium | Blue/Green | - | - | Hybrid | Light-Purple | July | .2019 |
| 'Arett's Wonder' | Arett, Anne & AHS | Large | Blue/Green | - | - | Hybrid | Pale-Lavender | June into July | .1986 |
| 'Arlene Mae Savory' | Savory, Dennis | Small | Blue/Green | Medial | White | Nat-Sport | Med-Lavender | June into July | .2009 |
| 'Astral Bliss' | Dean, Don | Small | Blue/Green | - | - | Hybrid | Pale-Lavender | July into August | .2009 |
| 'Atlantis' | Hansen, Hans & Avent, Tony | Large | Blue/Green | Marginal | Yellow | Nat-Sport | Pale-Lavender | June into July | .2004 |
| 'August Moonlight' | Anderson, Kenneth | Large | Light-Green | Medial | White | Unknown | - | - | --NR-- |
| 'Autumn Fire' | Duncan, Mary Jo | Large | Yellow | - | - | Unknown | - | - | .2014 |
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