- Ramona (e,m) - Orange EMG.
- Raspberry Flake (s) - Crimson flake. 2009.
- Raspberry Ice (g) - Crimson. 1998.
- Reconnaissance (s) - Pink picotee, cream ground. Dobbie, pre 1947.
- Red Ace (s) - Scarlet. Walker, 1997.
- Red Admiral (s) - Crimson. 1961.
- Red Arrow (s) - Scarlet. B.R.Jones, 1983.
- Red Ensign (s) - Scarlet. B.R.Jones, 1981.
- Red Ripple (s) - Crimson stripe. Grayson, 2001.
- Remembrance (s) - Crimson. 1996.
- Renaissance (s) - Bicolour. Hammett.
- Restormel (s) - Cerise. Tremewan, 1989.
- Rhapsody (s) - Orange pink. 1978.
- Richard and Judy (s) - Mauve bicolour. 2002.
- Richard Davey (s) - Cerise. Kerton, 1995.
- Robert (e,m) - Mid blue Cuthbertson Florabunda. Cuthbertson.
- Robert Sydenham (s) - Orange salmon. Holmes, 1915.
- Robert Uvedale (s) - Magenta. 2000.
- Rococo (s) - Crimson. 2004.
- Romeo (g) - Blue picotee. Unwin, 2000.
- Ron Entwistle (s) - Scarlet. Entwistle, 1999.
- Ronnie (e,m) - Orange Cuthbertson Florabunda. Cuthbertson.
- Roosterville (g) - Magenta. Hammett, 2009.
- Rory K (s) - Lavender. Kerton, 2009.
- Rosalind (s) - Rose pink, cream ground. 1992.
- Rosanna Alice (s) - Mauve picotee, white ground. 1995.
- Rosay (g) - Pink. 2012.
- Rosemary Padley (s) - Cerise crimson. Tullett, 1995.
- Rosie (s) - Carmine. Beane.
- Rosina (s) - Lavender. James, 1994.
- Rosy Dawn (s) - Orange-cerise flake. 1999.
- Rosy Frills (s) - Pink picotee, white ground.
- Roubeena (s) - Ruby red. Harrod, 2010
- Rouge Parfum - Crimson. Beane, 2005.
- Rowallane (s) - Cerise. Harrod, 2006.
- Rowena (s) - Rose/cream bicolour. 1914.
- Rowena Lynn (s) - Scarlet. Kerton, 2004.
- Roy Castle (s) - Magenta. 1996.
- Roy Lacey (s) - Pale mauve. 2002.
- Roy Phillips (s) - Scarlet. E.W.King, 1986.
- Royal (e) - A spring flowering series. Ferry-Morse, 1968.
- Royal Baby (s) - Lavender. 2003.
- Royal Flush (s) - Salmon pink, cream ground. Bolton, 1965.
- Royal Wedding (s) - White. 1982.
- Royalty - synonym of Blue Vein.
- Ruby Anniversary (s) - Crimson. Sewell, 2000.
- Ruby Red Hat (e) - Scarlet. 1997?
- Ruby Tuesday - synonym of Rouge Parfum.
- Ruth (e,m) - Rose pink Cuthbertson Florabunda. Cuthbertson.
- Ruth Ellen (s) - Salmon pink, cream ground. Cave, 2006.