| Medial (Center) Variegation | Plant Size | Leaf Color | Var Color | Origin | Season | Source | Registered |
| 'Facile' | Small | Blue/Green | White | Unknown | - | Aden, Paul | --NR-- |
| 'Falling Waters' | Large | Med-Green | Yellow | Hybrid | July | Lachman, Wm & Lachman, Eleanor & Walek, Kevin | .2009 |
| 'Fancy Ripples' | Small | Med-Green | Yellow | Unknown | - | Powell, Loleta | --NR-- |
| 'Fantastic Fulfillment' | Giant | Blue/Green | Yellow | Sport | June into July | Summers, Alex | --NR-- |
| 'Fantasy Island' | Small | Med-Green | Creamy White | Sport | July | Solberg, Robert | .2002 |
| 'Fernwood's Tequila Sunrise' | Large | Med-Green | Yellow | Sport | June into July | Sawyer, Rick | --NR-- |
| 'Ferris Wheel' | Giant | Yellow | White | Sport | June into July | Elslager, Ed | --NR-- |
| 'Filled with Extasy' | Small | Med-Green | White | Sport | August | Uniquely Hostas | --NR-- |
| 'Fingerprint' | Large | Blue/Green | Yellow | Sport | June into July | Zilis, Mark | .2009 |
| 'Finish Line' | Medium | Med-Green | Yellow | Unknown | - | Unknown | --NR-- |
| 'Finn's Finest' | Medium | Blue/Green | Yellow | Sport | June into July | Keller, Robert | .2008 |
| 'Fire and Fog' | Medium | Blue/Green | White | Unknown | - | Unknown | --NR-- |
| 'Fire and Ice' | Medium | Med-Green | White | Sport | July into August | Hansen, Hans | .1999 |
| 'Fire Dancer' | Medium | Blue/Green | Yellow | Sport | June into July | Megos, Stan | .2008 |
| 'Firestorm' | Large | Med-Green | Yellow | Sport | July | Ziarek, Ken | .2007 |
| 'Fireworks' (Walters) | Miniature | Med-Green | White | Sport | July | Zwagerman, Mary & Walters Gardens | .2001 |
| 'First Blend' | Medium | Light-Green | Yellow | Unknown | - | Van Eechaute, Danny | --NR-- |
| 'First Light' | Small | Dark-Green | Yellow | Sport | July into August | Philips, Hugo | .2010 |
| 'First Love' | Large | Med-Green | Yellow | Sport | July | Fransen, Marco | --NR-- |
| 'First Mate' | Miniature | Med-Green | Creamy White | Sport | July into August | Machen, John | .2003 |
| 'First Strike' | Small | Dark-Green | White | Unknown | July | Zilis, Mark | .2003 |
| 'Five O'Clock Somewhere' | Large | Blue/Green | Yellow | Sport | June into July | Solberg, Robert | .2004 |
| 'Flame Stitch' | Medium | Dark-Green | White | Sport | July | Falstad, C.H. | .1991 |
| 'Flame Tiara' | Small | Yellow | White | Sport | July | Van Ostrand, John | .2004 |
| 'Flash of Light' | Small | Med-Green | White | Sport | July into August | Anderson, Jim | --NR-- |
| 'Fleeta's Fantasy' | Medium | Blue/Green | Green | Unknown | June into July | Woodroffe, Fleeta Brownell & Ruh, Peter | .1999 |
| 'Flemish Beauty' | Small | Med-Green | Yellow | Sport | July into August | Van Eechaute, Danny | --NR-- |
| 'Flemish Lion' | Medium | Blue/Green | White | Sport | June into July | Van Eechaute, Danny | --NR-- |
| 'Flemish Tiara' | Medium | Dark-Green | Green | Sport | July into August | Van Eechaute, Danny | --NR-- |
| 'Flickering Flames' | Large | Med-Green | Yellow | Unknown | July into August | Orlando, John | .2003 |
| 'For Your Eyes Only' | Small | Dark-Green | White | Unknown | June into July | Goodwin, Randy | .2013 |
| 'Forbidden Fruit' | Medium | Blue/Green | Yellow | Sport | July into August | Fransen, Marco | --NR-- |
| 'Forest Firefly' | Medium | Dark-Green | Yellow | Hybrid | August to September | Dean, Don | .2008 |
| 'Forest Shadows' | Small | Dark-Green | Green | Sport | June into July | Engel, Karen | .1999 |
| 'Forget About It' | Medium | Dark-Green | Yellow | Nat-Sport | July | Meyer, Bill | --NR-- |
| 'Forncett Frances' | Large | Blue/Green | Yellow | Sport | June into July | Bond, Sandra | --NR-- |
| 'Fortunei Albopicta' | Large | Light-Green | Yellow | Sport | - | Hylander, Nils & The American Hosta Society | .1987 |
| 'Fortunei Maya' | Small | Med-Green | Light Green | Sport | - | Meissner, O., Summers, Alex & Ruh, Peter | --NR-- |
| 'Fox Factor' | Medium | Dark-Green | Yellow | Sport | July into August | Fox, Bob & Fox Hosta Farm | --NR-- |
| 'Foxfire Divine Winds' | Large | Med-Green | Yellow | Sport | July into August | Schulte, Steve | .2009 |
| 'Foxfire Nightsong' | Medium | Dark-Green | White | Sport | July | Schulte, Steve | --NR-- |
| 'Foxfire Off Limits' | Large | Light-Green | Yellow | Sport | July | Schulte, Steve | --NR-- |
| 'Foxfire Rose Red' | Small | Med-Green | White | Sport | July | Schulte, Steve | .2003 |
| 'Foxfire Shadow Dancer' | Large | Blue/Green | Chartreuse | Sport | June into July | Schulte, Steve & Silvers, Bill | .2009 |
| 'Foxfire Sidewinder' | Small | Med-Green | White | Unknown | - | Schulte, Steve | --NR-- |
| 'Foxfire Snake Eyes' | Small | Med-Green | White | Sport | July into August | Schulte, Steve | .2003 |
| 'Foxfire Viper' | Medium | Med-Green | White | Sport | July | Schulte, Steve | --NR-- |
| 'Foxfire Wassup' | Medium | Med-Green | White | Unknown | - | Schulte, Steve | --NR-- |
| 'Foxfire X-Philes' | Medium | Blue/Green | Yellow | Sport | June into July | Schulte, Steve & Silvers, Bill | .2009 |
| 'Fragrant Lime' | Large | Dark-Green | Yellow | Unknown | | Meyer, Bill | --NR-- |
| 'Fragrant Princess' | Medium | Blue/Green | Yellow | Nat-Sport | July into August | Van den Top, Jan | --NR-- |
| 'Frensham Apple and Bramble Tart' | Miniature | Blue/Green | Yellow | Hybrid | August to September | Colley, June & Baker, John | .2020 |
| 'Fresh Mint' | Miniature | Dark-Green | White | Sport | June into July | Solberg, Robert | .2019 |
| 'Fried Yellow Squash' | Medium | Med-Green | Yellow | TC Sport | July into August | Anderson, Jim | --NR-- |
| 'Frisian Two-Color' | Medium | Blue/Green | Green | Hybrid | | Aukema, Bate | --NR-- |
| 'Frosted Waves' | Miniature | Med-Green | White | Sport | July | Simmering, Ron | .2000 |
| 'Fruehlingsgold' | Small | Med-Green | Yellow | Hybrid | - | Klose, Heinz & Ruh, Peter | .2009 |
| 'Fuji-no-Akebono' | Large | Med-Green | Yellow | Sport | July | Watanabe, Kenji | --NR-- |
| 'Fuji-no-Yubae' | Medium | Med-Green | Yellow | Sport | July | Watanabe, Kazuyuki | --NR-- |
| 'Funny Frolic' | Small | Blue/Green | Yellow | Sport | - | Van den Top, Jan | --NR-- |
| 'Fused Veins' | Small | Blue/Green | Green | Unknown | August | Benedict, Dr Ralph (Herb) | .1983 |
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