| Cultivar | Plant Size | Leaf Color | Variegation | Var Color | Origin | Flower Color | Season | Source | Registered |
| 'Code Red' | Small | Yellow | - | - | Unknown | - | - | Unknown | --NR-- |
| 'Devon Red' | Small | Med-Green | - | - | Hybrid | - | - | Bowden, Roger | --NR-- |
| 'Foxfire Rose Red' | Small | Med-Green | Medial | White | Nat-Sport | Light-Purple | July | Schulte, Steve | .2003 |
| 'Frisian Red Surprise' | Medium | Med-Green | - | - | Hybrid | Med-Lavender | - | Aukema, Bate | --NR-- |
| 'Grandaddy Red Legs' | Medium | Dark-Green | - | - | Hybrid | Med-Lavender | August to September | Benedict, Dr R. (Herb) & Kuenster, Rod | .2010 |
| 'Grateful Red' | - | - | - | - | Hybrid | - | - | Moore, Jeff | --NR-- |
| 'Grateful Red II' | - | - | - | - | Hybrid | - | - | Moore, Jeff | --NR-- |
| 'Hanja's Red Edge' | - | - | - | - | Unknown | - | - | Hansen, Jan Hurup | --NR-- |
| 'Hanja's Red Lines' | Medium | Yellow | - | - | Hybrid | - | - | Hansen, Jan Hurup | --NR-- |
| 'Hanja's Red Spider' | - | Light-Green | - | - | Hybrid | - | - | Hansen, Jan Hurup | --NR-- |
| 'Holar Rainbow Red' | Medium | Med-Green | Streaked | White | Hybrid | - | - | Van Keer, Ronny | --NR-- |
| 'Holar Red Sea Shell' | Large | Med-Green | - | - | Hybrid | - | - | Van Keer, Ronny | --NR-- |
| 'Holar Red Spear' | Medium | Med-Green | - | - | Hybrid | - | - | Van Keer, Ronny | --NR-- |
| 'Holar Red Wine' | Medium | Light-Green | - | - | Hybrid | Med-Lavender | - | Van Keer, Ronny | --NR-- |
| 'Japanese Red Scape' | - | - | - | - | Unknown | - | - | Unknown | --NR-- |
| 'Johnnie Walker Red' | - | Med-Green | - | - | Unknown | - | - | Van Ostrand, John | --NR-- |
| 'Kempen Red Twist' | Large | Med-Green | Streaked | White | Hybrid | Pale-Lavender | July into August | Butaye, Patrick | .2014 |
| 'Kiwi Red Heron' | Large | Blue/Green | - | - | Unknown | - | - | Sligh, Barry | --NR-- |
| 'Lady in Red' | Small | Dark-Green | - | - | Hybrid | Near-White | June into July | Whitmore, Bob & Avent, Tony | --NR-- |
| 'Little Red Joy' | Small | Med-Green | - | - | Hybrid | Pale-Lavender | August | Van Eechaute, Danny | .2004 |
| 'Little Red Rooster' | Small | Dark-Green | - | - | Hybrid | Pale-Lavender | - | Van Eechaute, Danny | .2002 |
| 'Little Red Wagon' | Small | Dark-Green | - | - | Unknown | - | - | Livingston, Ron | --NR-- |
| 'Mister Red Genes' | Large | Blue/Green | - | - | Hybrid | - | - | Wrede, Arthur | --NR-- |
| 'Mr Red Genes' | Medium | Blue/Green | - | - | Hybrid | - | - | Wrede, Arthur | --NR-- |
| 'Paradise Red Delight' | Medium | Med-Green | - | - | Hybrid | - | - | Fransen, Marco | --NR-- |
| 'PeeDee Red Legs' | - | - | - | - | Unknown | - | - | Syre-Herz, Ursula | --NR-- |
| 'Persian Red' | Medium | Med-Green | - | - | Hybrid | Deep-Purple | July into August | Ragus, Gerhard & Renate | .2016 |
| 'Red Alert' | Small | Med-Green | Medial | White | Hybrid | Light-Purple | July into August | Unknown | --NR-- |
| 'Red Autumn' | Small | Yellow | - | - | Unknown | - | - | Unknown | --NR-- |
| 'Red Baron' | Medium | Med-Green | - | - | Hybrid | Pale-Lavender | - | Cross, Peter | .2001 |
| 'Red Bird' | Small | Med-Green | - | - | Unknown | - | - | Unknown | --NR-- |
| 'Red Cadet' | Medium | Dark-Green | - | - | Hybrid | Pale-Lavender | August to October | Van Eechaute, Danny | .2005 |
| 'Red Cloud' | Small | Blue/Green | Streaked | White | Hybrid | - | - | Beilstein, Doug | --NR-- |
| 'Red Corvette' | Medium | Med-Green | - | - | Hybrid | Light-Purple | August to September | Moore, Jeff & Schwarz, Jim | .2015 |
| 'Red Dog' | Medium | Med-Green | - | - | Unknown | - | - | Terpening, Kent | --NR-- |
| 'Red Dragon' | Medium | Light-Green | - | - | Hybrid | Light-Purple | August | Livingston, Ron | --NR-- |
| 'Red Dwarf' | Small | Med-Green | - | - | Unknown | - | - | Unknown | --NR-- |
| 'Red Eagle' | - | - | - | - | Hybrid | - | - | Moore, Jeff | --NR-- |
| 'Red Eye Café' | - | - | - | - | Unknown | - | - | Chastain, Mary & Moore, Jeff | --NR-- |
| 'Red Feather' | Medium | Dark-Green | - | - | Unknown | - | - | Benedict, Dr Ralph (Herb) | --NR-- |
| 'Red Grande' | Medium | Dark-Green | - | - | Unknown | - | - | Benedict, Dr Ralph (Herb) | --NR-- |
| 'Red Grange' | Medium | Blue/Green | - | - | Unknown | - | - | Unknown | --NR-- |
| 'Red Hex' | - | Med-Green | - | - | Unknown | - | August | Unknown | --NR-- |
| 'Red Hot Flash' | Small | Yellow | Marginal | Green | Nat-Sport | Deep-Purple | July | Machen, John | .2004 |
| 'Red Hot Poker' | Small | Dark-Green | Marginal | White | Hybrid | Light-Purple | August | Asch, Stuart | .2005 |
| 'Red Hots' | - | Yellow | - | - | Hybrid | - | - | Goodenough, Rick | --NR-- |
| 'Red Imp' | Medium | Med-Green | - | - | Hybrid | Light-Purple | - | Lydell, Ransom | --NR-- |
| 'Red Kitty' | Small | Med-Green | - | - | Unknown | - | - | Terpening, Kent | --NR-- |
| 'Red Legs' | Large | Dark-Green | - | - | Hybrid | - | August to October | Sugita, Hajime & Ruh, Peter | .1998 |
| 'Red Light' | Medium | Dark-Green | - | - | Unknown | - | - | Unknown | --NR-- |
| 'Red Neck Heaven' | Medium | Med-Green | - | - | Hybrid | Pure-White | July into August | Avent, Tony | .1998 |
| 'Red October' | Medium | Dark-Green | - | - | Hybrid | Light-Purple | September to October | Herold, Roy & Walek, Kevin | .2009 |
| 'Red One' | Small | Dark-Green | - | - | Unknown | - | - | Westberg, Jim | --NR-- |
| 'Red Puppy' | Medium | Med-Green | - | - | Unknown | - | - | Livingston, Ron | --NR-- |
| 'Red Rampage' | - | Med-Green | Streaked | White | Unknown | - | - | Lydell, Ransom | --NR-- |
| 'Red Raven' | Small | Med-Green | - | - | Hybrid | Light-Purple | August to September | Malloy, Alex | --NR-- |
| 'Red Reject' | Medium | Med-Green | - | - | Unknown | - | - | Stegeman, Bev & Dave | --NR-- |
| 'Red Riding Hood' | Medium | Med-Green | - | - | Unknown | - | - | Malloy, Alex | --NR-- |
| 'Red Rover' | Medium | Med-Green | - | - | Hybrid | Med-Lavender | August to September | Moore, Jeff & Schwarz, Jim | .2015 |
| 'Red Ryder' | Small | Med-Green | Streaked | White | Hybrid | Pale-Lavender | July into August | Malloy, Alex | .2001 |
| 'Red Sails in the Sunset' | Small | Light-Green | - | - | Hybrid | Light-Purple | August | Van Ostrand, John | .2004 |
| 'Red Salamander' | Small | Med-Green | - | - | Unknown | - | - | Seaver, Mildred | --NR-- |
| 'Red Sea' | Large | Med-Green | Streaked | White | Unknown | - | - | Unknown | --NR-- |
| 'Red Slippers' | Medium | Med-Green | - | - | Unknown | - | - | Unknown | --NR-- |
| 'Red Socks' | Medium | Med-Green | Medial | Yellow | Unknown | - | - | Goodwin, Randy | --NR-- |
| 'Red Sox' | Medium | Dark-Green | - | - | Hybrid | Light-Purple | August to October | Herold, Roy & Walek, Kevin | .2009 |
| 'Red Spatz' | Medium | Dark-Green | - | - | Unknown | - | - | Summers, Alex | --NR-- |
| 'Red Stem Green' | Medium | Med-Green | - | - | Unknown | Deep-Purple | August | Wade, Van | --NR-- |
| 'Red Stepper' | Medium | Med-Green | - | - | Hybrid | Light-Purple | August | Goodwin, Randy | .1996 |
| 'Red Stilts' | Large | Med-Green | - | - | Hybrid | Pale-Lavender | June into July | Van Eechaute, Danny | .2011 |
| 'Red Thunder' | Medium | Med-Green | - | - | Hybrid | - | - | Beilstein, Doug & Malloy, Alex | --NR-- |
| 'Red Tubes' | Small | Med-Green | - | - | Unknown | Light-Purple | - | Unknown | --NR-- |
| 'Red Veins' | - | - | - | - | Unknown | - | - | Zonneveld, Ben | --NR-- |
| 'Red Veins' | Medium | Med-Green | - | - | Hybrid | - | - | Pether, Glen | --NR-- |
| 'Red Wedding' | - | - | - | - | Unknown | - | - | Vasey, Mike | --NR-- |
| 'Red Wine Fries' | Medium | Blue/Green | - | - | Hybrid | Med-Lavender | - | Van Wyke, Trudy | --NR-- |
| 'Red Wing' | Medium | Light-Green | Marginal | Dark Green | Hybrid | Light-Purple | August | Benedict, Dr R. (Herb) & Walek, Kevin | .2009 |
| 'Red Zeppelin' | Small | Med-Green | - | - | Unknown | - | - | Unknown | --NR-- |
| 'Reddish Dot' | Medium | Med-Green | - | - | Hybrid | Deep-Purple | July into August | Liu, Donghuan | .2016 |
| 'Redgo' | Large | Light-Green | - | - | Unknown | - | - | Wade, Van | --NR-- |
| 'Red-hot Mama' | Large | Med-Green | Streaked | White | Hybrid | Near-White | July | Elslager, Ed | .2001 |
| 'Rocket's Red Glare' | Medium | Med-Green | - | - | Unknown | - | - | Stegeman, Bev & Dave | --NR-- |
| 'Sea Red Salamander' | - | - | - | - | Duplicate | - | - | Duplicate Name | --NR-- |
| 'Simply Red' | Medium | Med-Green | - | - | Hybrid | - | - | Benedict, Dr Ralph (Herb) | --NR-- |
| 'Theo’s Red' | Medium | Med-Green | - | - | Hybrid | Med-Lavender | - | Leydens, Theo | --NR-- |
| 'Tremont Red Hacksaw' | - | - | - | - | Hybrid | - | - | Livingston, Ron | --NR-- |
| 'Tremont Red Rover' | Small | Yellow | - | - | Unknown | - | - | Livingston, Ron | --NR-- |
| 'Valley's Red Dad' | Medium | Med-Green | - | - | Hybrid | - | - | Linneman, Jeroen | --NR-- |
| 'Valley's Red Scorpion' | Large | Med-Green | - | - | Unknown | Light-Purple | August to September | Linneman, Jeroen | .2015 |
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