| Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
| 'A Scape Plan' | Medium | Blue/Green | - | | Hybrid | Pale-Lavender | August | Avent, Tony | --NR-- |
| 'Aachen' | Medium | Blue/Green | - | - | Hybrid | - | June into July | Malloy, Alex | .2005 |
| 'Academy Speckled Vase' | Medium | Blue/Green | Streaked | Speckles | Hybrid | Med-Lavender | July into August | Chamberlain, Steve | .2008 |
| 'Alabama Bowl' | Large | Blue/Green | - | - | Hybrid | Near-White | July | Suggs, Natalee | .1986 |
| 'Ambrosia' | Large | Blue/Green | Medial | Yellow | Nat-Sport | Pale-Lavender | July into August | Solberg, Robert | .2016 |
| 'American Cobblestone' | Giant | Blue/Green | - | | Unknown | Med-Lavender | July | Wade, Van | --NR-- |
| 'Andrew Dennis' | Large | Blue/Green | Marginal | White | Unknown | - | - | Weissenberger, Henry & Zilis, Mark | .2010 |
| 'Angel 13' | Giant | Blue/Green | - | - | Nat-Sport | Near-White | June into July | Unknown | --NR-- |
| 'Angel Eyes' | Large | Med-Green | Streaked | Blue-Green | Nat-Sport | Near-White | June into July | Wasitis, Chick & Walek, Kevin | .2009 |
| 'Arten' | Medium | Blue/Green | - | - | Hybrid | Light-Purple | August | Livingston, Ron | --NR-- |
| 'Asher' | Large | Blue/Green | - | - | Hybrid | Near-White | July into August | Kwick, Charles | .2017 |
| 'Azure Frills' | Medium | Blue/Green | - | - | Hybrid | Light-Purple | July into August | Zilis, Mark | .2010 |
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