| Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Registered |
| 'Fascinating Rhythm' | Large | Med-Green | Streaked | White | Hybrid | Pale-Lavender | June into July | .2014 |
| 'Fat Cat' | Large | Yellow | - | - | Hybrid | Pure-White | June into July | .1996 |
| 'Firefly' | Miniature | Med-Green | - | - | Hybrid | Pale-Lavender | July into August | .1996 |
| 'Frank Fetch' | Large | Med-Green | Marginal | Yellow | Hybrid | Pale-Lavender | July | .2004 |
| 'Friendly Persuasion' | Large | Med-Green | - | - | Sport | Near-White | June into July | .2013 |
| 'Funny Face' | Large | Med-Green | - | - | Unknown | - | June into July | .2014 |
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