| Cultivar Name | Plant Size | Origin | Flower Color | Season | Source | Registered |
| 'Abiqua Gold Star' | Large | Unknown | Near-White | - | Purtymun, Charles | --NR-- |
| 'Academy Flaxen Spades' | Large | Hybrid | Pale-Lavender | July into August | Chamberlain, Steve | .2002 |
| 'Academy Gold Codswallop' | Medium | Hybrid | Near-White | June into July | Chamberlain, Steve | .2006 |
| 'Academy Golden Papoose' | Medium | Unknown | - | June into July | Chamberlain, Steve | .2004 |
| 'Academy Lemon Knoll' | Medium | Hybrid | Pale-Lavender | July into August | Chamberlain, Steve | .2006 |
| 'Academy Lime Vuvuzela' | Giant | Sport | Med-Lavender | - | Chamberlain, Steve | .2015 |
| 'Academy Live Vuvuzela' | Giant | Sport | Pale-Lavender | June into July | Chamberlain, Steve | .2015 |
| 'Ahwaneeh' | Large | Hybrid | Pure-White | July into August | Syre-Herz, Ursula | .1990 |
| 'Alabama Sunrise' | Large | Unknown | - | - | Solberg, Robert | .2011 |
| 'Aladdin's Lamp' | Medium | Unknown | Pale-Lavender | July | Ward, Dr Dick & Ward, Jane | .1996 |
| 'Aliyah's Grace' | Small | Hybrid | Light-Purple | July into August | Asch, Stuart | .2004 |
| 'All Gold Gin and Tonic' | Large | Sport | Near-White | July | Unknown | --NR-- |
| 'Allegan Peppermint' | Medium | Unknown | - | - | Unknown | --NR-- |
| 'Alphabet Soup' | Large | Hybrid | Near-White | June into July | Gilligan, Madelon | .2013 |
| 'American Gold Heart' | Large | Unknown | - | - | Wade, Van | --NR-- |
| 'American Mom No.2' | Large | Unknown | - | - | Wade, Van | --NR-- |
| 'American Prayers' | Medium | Hybrid | Pale-Lavender | June into July | Wade, Van | --NR-- |
| 'American Prayers Supreme' | Medium | Sport | Near-White | June | Silvers, Bill | --NR-- |
| 'Anaconda' | Medium | Hybrid | Pale-Lavender | July into August | Scheer, Alttara & Gilligan, Madelon | .2015 |
| 'Appalachian Spring' | Medium | Hybrid | Near-White | June into July | Malloy, Alex | .2004 |
| 'Aquarius' | Medium | Hybrid | Med-Lavender | July | Husemann, Jim | .2009 |
| 'Archangel' | Medium | TC Sport | Pale-Lavender | July | Zilis, Mark | .2003 |
| 'Aroma of Arbutus' | Medium | Unknown | Pure-White | August to September | Kwick, Charles | .2016 .2018 |
| 'Artemis' | Large | Unknown | - | June into July | Donahue, Thomas & Malloy, Alex | .2001 |
| 'As You Like It' | Medium | Hybrid | - | - | Lysne, Rod | .2019 |
| 'Asian Pearl' | Small | Unknown | Med-Lavender | July | Janssen, Bill | --NR-- |
| 'At Attention' | Medium | Unknown | - | August to September | Benedict, Dr Ralph (Herb) & Kuenster, Rod | .2010 |
| 'Atomic Dragon' | Small | Hybrid | - | August | Livingston, Ron | --NR-- |
| 'Atomic Elvis' | Medium | Hybrid | Med-Lavender | - | Livingston, Ron | --NR-- |
| 'Atypical Blonde' | Medium | Hybrid | Near-White | June into July | Kwick, Charles | .2017 |
| 'Auntie Lucille' | Large | Unknown | - | - | Skaggs, Virginia & Skaggs, Brian | --NR-- |
| 'Aurore Boréale' | Small | Unknown | Near-White | June into July | Bastille, Jocelyne | --NR-- |
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