| Cultivar Name | Plant Size | Origin | Flower Color | Season | Source | Registered |
| 'Eaglet' | Medium | Unknown | Med-Lavender | July into August | Benedict, Dr Ralph (Herb) | .1999 |
| 'Early to Rise' | Small | Unknown | Med-Lavender | August to September | Goodwin, Randy | .2006 |
| 'Earth Star' | Miniature | Unknown | - | - | Janssen, Bill | --NR-- |
| 'Earthshine' | Large | Sport | Pale-Lavender | June into July | Crockett, Clyde | --NR-- |
| 'Ebony and Ivory' | Small | Unknown | - | - | Scheer, Alttara | --NR-- |
| 'Ebony Knight' | Medium | Unknown | - | July into August | Treichel, Bernie | .2000 |
| 'Ebony Spires' | Large | Hybrid | Light-Purple | August | Dean, Don | .1999 |
| 'Ebony Towers' | Large | Hybrid | Light-Purple | August to October | Dean, Don | .2005 |
| 'Eco Mirror' | Medium | Sport | Pale-Lavender | July into August | Van Eechaute, Danny | .2014 |
| 'Ed Ware' | Large | Unknown | - | - | Wade, Van | --NR-- |
| 'Edge Of Night' | Large | Hybrid | Pale-Lavender | June into July | Savory, Robert | .1988 |
| 'Edina Hornet' | Large | Sport | Pure-White | July | Savory, Robert | .1996 |
| 'Eel River' | Giant | Unknown | - | - | Wade, Van | --NR-- |
| 'Egret' | Medium | Hybrid | Near-White | July | Savory, Robert | .1984 |
| 'Eiga' | Medium | Sport | Light-Purple | August to September | Unknown | --NR-- |
| 'Eikou Nishiki' | Medium | Sport | Light-Purple | August to September | Unknown | --NR-- |
| 'Eiyo' | Medium | Sport | Light-Purple | August to September | Unknown | --NR-- |
| 'Elata' | Giant | Unknown | Pale-Lavender | June into July | Hylander, Nils & The American Hosta Society | .2002 |
| 'Elata Gigantea' | Large | Unknown | Pale-Lavender | - | Unknown | --NR-- |
| 'Elatior Falls' | Giant | Hybrid | - | July into August | Myers, D. & Balitewicz, Bob & Rawson, Don | .2016 |
| 'Eleanor' | Small | Unknown | Light-Purple | - | Marlow, Andy | --NR-- |
| 'Eleanor Roosevelt' | Medium | TC Sport | Pale-Lavender | July | Zilis, Mark | --NR-- |
| 'Elegant Touch' | Medium | Unknown | - | - | Benedict, Dr Ralph (Herb) | --NR-- |
| 'Elf Bonnet' | Large | Hybrid | Pale-Lavender | July into August | Zolock, Steve & Zolock, Sarah | .2003 |
| 'Elisabeth' | Medium | Unknown | Pale-Lavender | July | Hensen, Karel | .1983 |
| 'Elkhorn Prize' | Medium | Hybrid | Med-Lavender | July | Pohlman, Neal | .2005 |
| 'Ellen' | Small | Hybrid | Light-Purple | July | Stone, David & Ruh, Peter | .1987 |
| 'Ellie's Pygmy' | Miniature | Unknown | - | - | Springarn, Eleanor | --NR-- |
| 'Elp 2' | Large | Hybrid | Near-White | July into August | Livingston, Ron | --NR-- |
| 'Elsley Runner' | Small | Hybrid | Light-Purple | July | Walek, Kevin | .2009 |
| 'Embers Glow' | Small | Hybrid | - | - | Wrede, Arthur | --NR-- |
| 'Embroidery' | Medium | Unknown | Near-White | July into August | Unknown & Zilis, Mark | .2010 |
| 'Emerald Carpet' | Miniature | Hybrid | Light-Purple | August | Banyai, Pauline | .1998 |
| 'Emerald City' | Giant | Hybrid | Pale-Lavender | June into July | Ward, Dr Dick & Ward, Jane | .1996 |
| 'Emerald City Chick' | Small | Sport | - | - | Sebright Gardens | .2009 |
| 'Emerald Coast' | Medium | Sport | Pale-Lavender | July into August | Trucks, Gary | --NR-- |
| 'Emerald Crown' | Medium | Hybrid | Pale-Lavender | July | Lachman, Wm & Lachman, Eleanor | .1990 |
| 'Emerald Cushion' | Medium | Unknown | - | - | Fisher, Eunice V. & Holly, Gladys | --NR-- |
| 'Emerald Edger' | Medium | TC Sport | Med-Lavender | June into July | Zilis, Mark & Walek, Kevin | .2009 |
| 'Emerald Elf' | Small | Unknown | - | - | Goodwin, Randy | .2013 |
| 'Emerald Emperor' | Large | Sport | Med-Lavender | July into August | Fransen, Marco | --NR-- |
| 'Emerald Forest' | Giant | Unknown | - | - | Hanson, Curt | --NR-- |
| 'Emerald Green' | Giant | Sport | Deep-Purple | August | Walters Gardens | .1996 |
| 'Emerald Green Metallic' | Large | Unknown | Near-White | July | O'Brien, John | --NR-- |
| 'Emerald Hearts' | Small | Sport | Light-Purple | July into August | Fransen, Marco | --NR-- |
| 'Emerald Mist' | Small | Unknown | Pale-Lavender | June into July | Laico, Michael | .2003 |
| 'Emerald Paisley' | Medium | Sport | Pale-Lavender | July into August | Van Eechaute, Danny | .2012 |
| 'Emerald Ripples' | Small | Sport | Pale-Lavender | July into August | Langdon, Olive Bailey | .1981 |
| 'Emerald Skies' | Medium | TC Sport | Pale-Lavender | August to September | Klehm, Roy & Walek, Kevin | .2009 |
| 'Emerald Waters' | Small | TC Sport | Pale-Lavender | July into August | Micheletti, Tom | .2011 |
| 'Emeralds and Rubies' | Small | Hybrid | Light-Purple | July into August | Dishon, Jim | .1994 |
| 'Emerson's Small One' | Small | Unknown | Light-Purple | July | Unknown | --NR-- |
| 'Emma Foster' | Medium | Sport | Pale-Lavender | July | Foster, Eugene | .1985 |
| 'Emmitt Armitage' | Giant | Sport | Pale-Lavender | July into August | Cady's Fall Nursery | --NR-- |
| 'Emoticon' | Large | Hybrid | Pale-Lavender | July into August | Kuk, Bob | .2005 |
| 'Empire State' | Giant | Unknown | - | - | Moldovan, Steve | --NR-- |
| 'Empress Wu' | Giant | Hybrid | Pale-Lavender | June into July | Skaggs, Virginia & Skaggs, Brian | .2008 |
| 'Encore' (Wilkins) | Small | Hybrid | Deep-Purple | July into August | Wilkins, Dr Jim & Wilkins, Jill | .1999 |
| 'Endless Summer' | Medium | Sport | Pale-Lavender | July into August | Zilis, Mark & Ruh, Peter | .2006 |
| 'Eos' (Fischer) | Medium | Unknown | Med-Lavender | - | Fischer, Dr Ulrich | --NR-- |
| 'Epic Frills' | Medium | Hybrid | Near-White | June into July | Kwick, Charles | .2019 |
| 'Eric' | Large | Unknown | - | August to September | Schwarz, Jim | .2015 |
| 'Erie Canal' | Small | Unknown | - | - | Malloy, Alex | --NR-- |
| 'Ersatz' | Giant | Hybrid | Near-White | July | Ruh, Peter | .1996 |
| 'Espresso' | Medium | Hybrid | - | August to September | Zilis, Mark | .2009 |
| 'Eun Ha' | Small | Sport | Light-Purple | July | Lee, Jong-Suk | --NR-- |
| 'Eunice Fisher' | Giant | Hybrid | Pale-Lavender | July | Fisher, Eunice V. & Ruh, Peter | .1985 |
| 'Euphoria' | Medium | Hybrid | Pale-Lavender | August to October | Zilis, Mark & Ruh, Peter | .2002 |
| 'Eureka Lodestar' | Small | Unknown | Med-Lavender | September | Wrede, Arthur & Malloy, Alex | .2004 |
| 'Eva' | Miniature | Hybrid | Med-Lavender | July into August | Hermens, Pieter | .2019 |
| 'Evening Star' | Medium | Unknown | Med-Lavender | August to September | Watanabe, Kenji & Ruh, Peter | .2001 |
| 'Excitation' | Medium | Sport | Pale-Lavender | July into August | Aden, Paul | .1988 |
| 'Extrovert' | Large | Unknown | Near-White | June into July | Lysne, Rod | --NR-- |
| 'Exultation' | Medium | Sport | Pale-Lavender | July | Stark, Gunther | --NR-- |
| 'Eye Catcher' | Medium | Unknown | Light-Purple | July | Goodwin, Randy | .1996 |
| 'Eye of the Storm' | Small | Sport | Pale-Lavender | August to October | Schwarz, Jim & Schwarz, Karen & Zilis, Mark | .2014 |
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