| Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
| 'Fall Bouquet' | Small | Dark-Green | | - | Hybrid | Light-Purple | August to October | Aden, Paul | .1986 |
| 'Fall Memories' | Small | Dark-Green | | - | Unknown | Pale-Lavender | August to September | Unknown | --NR-- |
| 'Fashionista' | Medium | Med-Green | | - | Nat-Sport | Light-Purple | July | Zilis, Mark | .2011 |
| 'Fine Art' | Large | Dark-Green | | - | Unknown | - | - | Wrede, Arthur | --NR-- |
| 'Fire Alarm' | Small | Med-Green | Streaked | Yellow | Unknown | - | - | Malloy, Alex | --NR-- |
| 'Fire Dance' | Medium | Med-Green | | - | Hybrid | Med-Lavender | July | Van Eechaute, Danny | --NR-- |
| 'Fire Island' | Medium | Yellow | | - | Hybrid | Pale-Lavender | August to October | Brincka, Wm | .1998 |
| 'Fireball' | Large | Med-Green | Streaked | White | Nat-Sport | - | - | Fransen, Marco & Joyce | --NR-- |
| 'Fireplace' | Medium | Med-Green | Marginal | Yellow | Nat-Sport | - | - | van den Top, Jan | --NR-- |
| 'First Blush' | Medium | Dark-Green | | - | Hybrid | Deep-Purple | July into August | Solberg, Robert | .2016 |
| 'Flamenco Dancer' | Large | Yellow | | - | Unknown | - | - | Ruff, Doug | --NR-- |
| 'Flemish Beauty' | Small | Med-Green | Medial | Yellow | Nat-Sport | Pale-Lavender | July into August | Van Eechaute, Danny | --NR-- |
| 'Flemish Melody' | Small | Med-Green | | - | Hybrid | Near-White | July into August | Van Eechaute, Danny | .2008 |
| 'Flemish Steel' | - | Blue/Green | | - | Nat-Sport | - | - | Van Eechaute, Danny | .2010 |
| 'Fleshing Design' | Medium | Yellow | | - | Nat-Sport | Light-Purple | July into August | Unknown | --NR-- |
| 'Florence Nightingale' | Large | Blue/Green | | - | Unknown | Med-Lavender | July | Goodenough, Rick | --NR-- |
| 'Flower Show' | Medium | Med-Green | | - | Hybrid | - | - | Van Eechaute, Danny | --NR-- |
| 'Fluttering Jib' | Medium | Med-Green | Marginal | Yellow | Unknown | - | - | Seaver, Charles | --NR-- |
| 'Fourth of July' | Large | Med-Green | | - | Unknown | Light-Purple | July | Taylor, J.C. & Avent, Tony | .1993 |
| 'Fragile' | Medium | Dark-Green | | - | Unknown | - | - | Bastille, Jocelyne | --NR-- |
| 'Framed' | Medium | Dark-Green | Marginal | Yellow | Unknown | Med-Lavender | - | Beilstein, Doug | --NR-- |
| 'Franklin Pierce' | Large | Med-Green | | - | Unknown | - | - | Ruh, Peter & Jean | .2010 |
| 'Frisian Bells' | Medium | Yellow | | - | Hybrid | - | August | Aukema, Bate | --NR-- |
| 'Frisian Elegance' | Medium | Dark-Green | | - | Hybrid | Light-Purple | - | Aukema, Bate | --NR-- |
| 'Frisian Misty Sky' | Medium | Blue/Green | | - | Hybrid | Light-Purple | August to September | Aukema, Bate | --NR-- |
| 'Frisian Moon Glow' | Medium | Light-Green | | - | Hybrid | - | August to September | Aukema, Bate | --NR-- |
| 'Frisian Red Surprise' | Medium | Med-Green | | - | Hybrid | Med-Lavender | - | Aukema, Bate | --NR-- |
| 'Frisian Treasure' | Medium | Med-Green | | - | Hybrid | - | August to September | Aukema, Bate | --NR-- |
| 'Funky Monkey' | Medium | Yellow | | - | Unknown | Light-Purple | July into August | Scheer, Alttara | --NR-- |
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