- Aerospace (s) - White. Manning, 1987.
- Afterglow (s) - Purple maroon. 1911.
- Aileen Walton (s) - Mauve. Robertson, 2005.
- Air Force (s) - Misty mid Blue. Entwistle, 1997.
- Air Warden (s) - Scarlet. Cullum, 1942.
- Airan (s) - Blue flush. Kerton, 2002.
- Alan Roberts (s) - Pink stripe, white ground. 2010.
- Alan Titchmarsh (s) - Salmon pink, cream ground. B.R.Jones, 1986.
- Alan Williams (s) - Mid blue. A.J.Williams, 1986.
- Alaska Blue (s) - Blue flush. Wells, 2000.
- Alastair (s) - Crimson. Alexander, 1988.
- Albutt Blue (g) - Blue picotee. Albutt, 1999.
- Alice Hardwicke (s) - Orange-red. B.R.Jones, 1987.
- Alison (s) - Pink picotee, cream ground. F.Davies, 1991.
- Almost Black (g) - Intensely dark maroon/violet bicolour. Hammett, 1999.
- Ambition (s) - Rosy lavender. Cullen, 1932.
- America (g) - Red flake. Morse, 1896.
- American Beauty (e) - A carmine Spencer Praecox.
- Amethyst (e) - A royal purple Spencer Praecox.
- Amy (s) - Maroon. 2002
- Andrea Robertson (m) - Blue bicolour. 2002
- Andrew Cavendish (s) - Light lavender. Hubbuck, 2007.
- Andrew Unwin (s) - Lavender.
- Angel Face (s) - Rose picotee, cream ground. 1968.
- Angel's Blush (d,e) - Rose pink, white ground, pre 1999.
- Angela Ann (s) - Rose pink, white ground. Albutt, 1987.
- Ann (e,m) - Carmine rose Cuthbertson Florabunda. Cuthbertson.
- Annabelle (s) - Lavender. 1990.
- Anna's Hope (s) - Mid blue. 2012.
- Anne Barron (s) - Rose pink on a cream ground. Entwistle, 1999
- Anne Greg (s) - Cream. Brackley, 1994.
- Anne Hathaway (g) - Pale blue flake. Grayson, 2003.
- Anne Vestey (s) - Scarlet.
- Annie B Gilroy (g) - Bright cerise. Eckford, 1907.
- Annie Conole (s) - Pale blue. 2006.
- Annie Good (s) - Magenta. Tasker, 1983.
- Annie Laurie (e) - A deep rose Spencer Praecox.
- Anniversary (s) - Pink picotee, white ground. Truslove, 1986.
- Anthea Turner (s) - Salmon pink, cream ground. Beane, 1995.
- Aphrodite (m) - White. 2011.
- Appeal (s) - Cerise. 1999
- Apple Blossom (s) - Pale pink flush. Beane, 2001.
- Apricot Queen (s) - Orange-pink. 1973.
- Apricot Sprite (s) - Orange-pink. 1982.
- April in Paris (s) - Cream, mauve edge. Hammett.
- April Louise (s) - Red. Kerton, 2005
- Aquarius(1) (s) - Mauve. Place, 1999.
- Aquarius(2) (s) - Blue stripe. Place, 2001.
- Arbor Low (s) - Orange-red. Albutt, 1990.
- Argirgna (d,g) - Pink/white bicolour. Levko.
- Aries (s) - Salmon pink, white ground. Place, 1999.
- Arthur Hellyer - synonym of blue pearl.
- Ascot (s) - Salmon pink, cream ground. 1981.
- Astrid (e,m) - Lavender Cuthbertson Florabunda. Cuthbertson.
- Atlantis - synonym of Betty Maiden.
- Audrey Kirkman (s) - Marbled pink. Parsons.
- Aunt Jane (s) - Pale magenta. Matthewman, 2000.
- Aunt Molly (s) - Carmine flush on white. 2002.
- Avon Beauty (s) - Lavender. Marchant, 1972.