| Cultivar Name | Plant Size | Leaf Color | Variegation | Var Color | Origin | Season | Source | Registered |
| 'Faerie Cups' | Large | Blue/Green | - | - | Unknown | June into July | Brown, Sandy | .2010 |
| 'Faerie Dust' | Large | Yellow | - | - | Unknown | June into July | Brown, Sandy | .2010 |
| 'Fagan' | Medium | Light-Green | - | - | Unknown | June | Tompkins, Chet & Ruh, Peter & Jean | .2005 |
| 'Fairway Green' | Small | Med-Green | - | - | Nat-Sport | June into July | Minks, Edren | .1990 |
| 'Faith' | Medium | Light-Green | - | - | Hybrid | June | Dean, Don | .1999 |
| 'Fall Emerald' | Large | Dark-Green | - | - | Hybrid | June into July | Summers, Alex & Ruh, Peter | .1997 |
| 'Fallen Angel' | Medium | Med-Green | - | - | Nat-Sport | June into July | Broussard, Floyd & Carol & Walek, Kevin | .2000 |
| 'Fancy Dancer' | Large | Med-Green | - | - | Nat-Sport | June into July | Amberg, Mary | --NR-- |
| 'Fandango' | Large | Med-Green | - | - | Hybrid | June into July | Kuk, Bob | .2008 |
| 'Fantastic' | Large | Blue/Green | - | - | Hybrid | June into July | Soules, Marjorie | .1988 |
| 'Fantastic Fulfillment' | Giant | Blue/Green | Medial | Yellow | Nat-Sport | June into July | Summers, Alex | --NR-- |
| 'Farewell Party' | Large | Yellow | - | - | Hybrid | June into July | Zilis, Mark | .2010 |
| 'Fascinating Rhythm' | Large | Med-Green | Streaked | White | Hybrid | June into July | Ward, Dr Dick & Jane | .2014 |
| 'Fat Cat' | Large | Yellow | - | - | Hybrid | June into July | Ward, Dr Dick & Jane | .1996 |
| 'Fat Cheeks' | Small | Yellow | - | - | Hybrid | June into July | Jones, Leonard | .2005 |
| 'Fernwood's Tequila Sunrise' | Large | Med-Green | Medial | Yellow | Nat-Sport | June into July | Sawyer, Rick | --NR-- |
| 'Ferris Wheel' | Giant | Yellow | Medial | White | Nat-Sport | June into July | Elslager, Ed | --NR-- |
| 'Fertile Phyllis' | Large | Blue/Green | - | - | Unknown | June into July | Asch, Stuart | .2010 |
| 'Field Rat' | Small | Blue/Green | - | - | Nat-Sport | June into July | Wilson, Chris | --NR-- |
| 'Fiftieth Anniversary' | Medium | Dark-Green | Marginal | Yellow | Hybrid | June into July | Graves, Butch | .2016 |
| 'Filagree' | Large | Blue/Green | Streaked | Yellow | Nat-Sport | June into July | Reath, David & Walek, Kevin | .2009 |
| 'Filigree Necklace' | Small | Blue/Green | Streaked | White | Hybrid | June into July | Tylinski, Stan | .2003 |
| 'Filigree Sister' | Large | Blue/Green | Streaked | Yellow | Hybrid | June into July | Schmid, Tom | --NR-- |
| 'Fine Points' | Small | Med-Green | - | - | Hybrid | June into July | Shaw, Florence & Walek, Kevin | .2009 |
| 'Fingerprint' | Large | Yellow | Marginal | Green | Nat-Sport | June into July | Zilis, Mark | .2009 |
| 'Finn's Finest' | Medium | Blue/Green | Medial | Yellow | Nat-Sport | June into July | Keller, Robert | .2008 |
| 'Fire Dancer' | Medium | Blue/Green | Medial | Yellow | Nat-Sport | June into July | Megos, Stan | .2008 |
| 'First Class' | Small | Dark-Green | - | - | Hybrid | June into July | Kamp, Gayle | .2001 |
| 'First Grandchild' | Small | Light-Green | Marginal | White | Nat-Sport | June into July | Nyikos, Frank | .2017 |
| 'First Kiss' | Small | Yellow | - | - | Hybrid | June into July | Kwick, Charles | .2016 |
| 'Five O'Clock Shadow' | Large | Blue/Green | Marginal | Creamy White | Nat-Sport | June into July | Solberg, Robert | .2000 |
| 'Five O'Clock Somewhere' | Large | Blue/Green | Medial | Yellow | Nat-Sport | June into July | Solberg, Robert | .2004 |
| 'Flagship' | Medium | Blue/Green | - | - | Hybrid | June into July | Prochaska, Richard | .2000 |
| 'Flamenco Mouse' | Miniature | Blue/Green | Marginal | Green | TC Sport | June into July | Wilson, Chris | .2012 |
| 'Flaming Arrow' | Medium | Med-Green | - | - | Unknown | June into July | Maroushek, Lillian | .1999 |
| 'Flapjack' | Medium | Med-Green | Marginal | Yellow | Hybrid | June into July | Lachman, Wm & Eleanor & Walek, Kevin | .2009 |
| 'Flash Forward' | Small | Blue/Green | Marginal | Green | Nat-Sport | June into July | Walters Gardens | .2014 |
| 'Flatliner' | Small | Med-Green | Marginal | White | Hybrid | June into July | Avent, Tony | .2007 |
| 'Flecked Fantasy' | Large | Yellow | Streaked | Speckles | Nat-Sport | June into July | Powell, Loleta | --NR-- |
| 'Fleeta Brownell Woodroffe' | Medium | Blue/Green | Marginal | Yellow | Hybrid | June into July | O'Harra, Russ | .1986 |
| 'Fleeta's Blue' | Medium | Blue/Green | - | - | Unknown | June into July | Woodroffe, Fleeta Brownell & Ruh, Peter | .1999 |
| 'Fleeta's Fantasy' | Medium | Blue/Green | Medial | Green | Unknown | June into July | Woodroffe, Fleeta Brownell & Ruh, Peter | .1999 |
| 'Flemish Angel' | Medium | Blue/Green | Marginal | Yellow | Nat-Sport | June into July | Van Eechaute, Danny | .2009 |
| 'Flemish Lion' | Medium | Blue/Green | Medial | White | Nat-Sport | June into July | Van Eechaute, Danny | --NR-- |
| 'Flemish Master' | Large | Blue/Green | Marginal | White | Hybrid | June | Van Eechaute, Danny | .2013 |
| 'Flemish Milkshake' | Medium | Blue/Green | Streaked | Yellow | Nat-Sport | June into July | Van Eechaute, Danny | .2008 |
| 'Floral Dance' | Medium | Med-Green | - | - | Hybrid | June into July | Gilligan, Madelon | .2013 |
| 'Floral Top #14' | Medium | Med-Green | - | - | Unknown | June into July | Tompkins, Chet | --NR-- |
| 'Flower Song' | Medium | Yellow | Streaked | White | Unknown | June into July | Benedict, Dr R. (Herb) & Walek, Kevin | .2009 |
| 'Fluted Fountain' | Large | Light-Green | - | - | Hybrid | June into July | Dean, Don | .1999 |
| 'Flying Saucer' | Small | Blue/Green | - | - | Unknown | June into July | Solberg, Robert | .1996 |
| 'Fond Farewell' | Large | Blue/Green | - | - | Hybrid | June into July | Schulz, Ed | .2002 .2018 |
| 'Fond Hope' | Large | Blue/Green | - | - | Hybrid | June into July | Fisher, Eunice V. | .1973 |
| 'Fool's Gold' | Large | Dark-Green | Marginal | Yellow | Duplicate | June into July | Unknown & Ruh, Peter | .2002 .2018 |
| 'For Your Eyes Only' | Small | Dark-Green | Medial | White | Unknown | June into July | Goodwin, Randy | .2013 |
| 'Forest Moon' | Large | Yellow | - | - | Unknown | June into July | Goodwin, Randy | .2005 |
| 'Forest Shadows' | Small | Dark-Green | Medial | Green | Nat-Sport | June into July | Engel, Karen | .1999 |
| 'Forever Frances' | Small | Med-Green | Marginal | Yellow | Nat-Sport | June into July | Syre-Herz, Ursula | .1996 |
| 'Forncett Frances' | Large | Blue/Green | Medial | Yellow | Nat-Sport | June into July | Bond, Sandra | --NR-- |
| 'Fortunei Gigantea' | Giant | Med-Green | - | - | Unknown | June into July | Bailey, Liberty Hyde & AHS | .1987 |
| 'Fountain' | Giant | Blue/Green | - | - | Hybrid | June into July | Hensen, Karel | .1983 |
| 'Fourteen Carats' | Large | Yellow | - | - | Nat-Sport | June into July | Fransen, Marco & Joyce | --NR-- |
| 'Foxfire Dark Shadows' | Large | Dark-Green | Marginal | Yellow | Nat-Sport | June into July | Schulte, Steve | --NR-- |
| 'Foxfire Gabriel' | Large | Blue/Green | Marginal | Yellow | Nat-Sport | June into July | Schulte, Steve | --NR-- |
| 'Foxfire Good Friday' | Medium | Light-Green | - | - | Nat-Sport | June into July | Schulte, Steve | --NR-- |
| 'Foxfire Night Skye' | Medium | Dark-Green | Marginal | Yellow | Nat-Sport | June into July | Schulte, Steve | .2009 |
| 'Foxfire Palm Sunday' | Large | Dark-Green | Marginal | Yellow | Hybrid | June into July | Schulte, Steve | .2009 |
| 'Foxfire Shadow Dancer' | Large | Blue/Green | Medial | Chartreuse | Nat-Sport | June into July | Schulte, Steve & Silvers, Bill | .2009 |
| 'Foxfire X-Philes' | Medium | Blue/Green | Medial | Yellow | Nat-Sport | June into July | Schulte, Steve & Silvers, Bill | .2009 |
| 'Frances Williams Baby' | Large | Blue/Green | - | - | Hybrid | June | Minks, Eldren | .1980 |
| 'Frances Williams Improved' | Large | Blue/Green | Marginal | Yellow | Nat-Sport | June into July | Unknown | --NR-- |
| 'Frances Williams Special' | Large | Blue/Green | Marginal | Yellow | Nat-Sport | June into July | Schmid, Tom | --NR-- |
| 'Frances Williams Squash Edge' | Large | Blue/Green | Marginal | Yellow | Nat-Sport | June into July | Williams, Frances & Williams, Connie | --NR-- |
| 'Franc's Blueboy Lost' | Small | Blue/Green | - | - | Unknown | June into July | Freeman, Franc & Sally | .2010 |
| 'Franc's Dark Within' | Large | Dark-Green | Marginal | Green | Nat-Sport | June into July | Freeman, Franc & Sally | .2010 |
| 'Franc's Green Bomber' | Giant | Dark-Green | - | - | Unknown | June into July | Freeman, Franc | .2010 |
| 'Franc's Mor Blue' | Medium | Blue/Green | - | - | Unknown | June into July | Freeman, Franc & Sally | .2010 |
| 'Franc's Trailer Jon' | Large | Yellow | - | - | Unknown | June into July | Freeman, Franc | .2009 |
| 'Frank's Rocket' | Giant | Blue/Green | - | - | Unknown | June into July | Kruse, Francis & Kruse, C. | .1998 |
| 'Frazeur Family Band' | Medium | Blue/Green | Streaked | Creamy White | Unknown | June into July | Benedict, Dr Ralph (Herb) | .1999 |
| 'Freckles' | Large | Med-Green | - | - | Unknown | June into July | Viette, Andre & Walek, Kevin | .2009 |
| 'Friday Morning Coffee' | Large | Blue/Green | Marginal | Green | Unknown | June into July | Freeman, Franc | .2010 |
| 'Friendly Persuasion' | Large | Med-Green | - | - | Nat-Sport | June into July | Ward, Dr Dick & Jane | .2013 |
| 'Fritzie' | Large | Blue/Green | - | - | Hybrid | June into July | Kwick, Charles | .2017 |
| 'Frog School' | Small | Med-Green | - | - | Nat-Sport | June into July | Malloy, Alex | --NR-- |
| 'Frost Giant' | Giant | Blue/Green | Marginal | Yellow | Unknown | June into July | Lefever, Wyatt & Solberg, Robert | .2008 |
| 'Frosted Comet' | Large | Dark-Green | Streaked | Yellow | Hybrid | June into July | Kuenster, Rod | .2010 |
| 'Frosty' | Large | Blue/Green | - | - | Unknown | June into July | Ross, Henry & Walek, Kevin | .2009 |
| 'Fudge Ripple' | Large | Med-Green | Streaked | Yellow | Unknown | June into July | Kuenster, Rod | .2006 |
| 'Funny Face' | Large | Med-Green | - | - | Unknown | June into July | Ward, Dr Dick & Jane | .2014 |
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