- Daily Mail (s) - An orange-red sweet pea, vigorous but with a rather gappy flower spike. 1997.
- Daisy (e) - A Cuthbertson Florabunda variety with white flowers. Cuthbertson.
- Dalemain (s) - Crimson.
- Dancing Queen (s) - White. 2001.
- Danny (e) - A dark blue Cuthbertson Florabunda seet pea. Cuthbertson.
- Daphne (e) - A light salmon Spencer Praecox variety.
- Daphne (s) - Lavender. 1993.
- Darcey Bussell (s) - Rosy purple stripe.
- Dark Passion (s) - A new dark blue. Beane, 2006.
- Dave Thomas (s) - Scarlet. More strongly scented than most sweet peas of this colour. Harrod, 1999.
- David (e) - A Cuthbertso Florabunda with rose crimson or wine red flowers. Cuthbertson.
- David Unwin (s) - Scarlet.
- Dawn (s) - Blue flush. 1997.
- Dean Handel (s) - Bicolour.
- Dean's Scarlet (s) - Scarlet.
- D.E.B.R.A. (s) - Mauve. Kerton, 1993.
- Delicacy (s) - Pale pink on cream ground. 2003.
- Denis Compton (s) - Salmon pink on cream ground.
- Denise Tanner (g) - A salmon pink old fashioned sweet pea. Grayson, 1996.
- Derry Scarlet (s) - Scarlet. Harrod.
- Destiny (s) - Pale pink. Kerton.
- Diamond Wedding (s) - White.
- Diana (e) - A rose pink EMG sweet pea.
- Diana (s) - Orange-pink. 1985.
- Dignity (s) - A good purple sweet pea. 1998.
- Dolly Varden (g) - Rosy lavender standard with paler wings. Morse, 1898.
- Donna Jones (g) - Crimson old fashioned type sweet pea. Grayson, 1997.
- Dorothy Dee (s) - Orange-red.
- Dorothy Eckford (g) - White. Eckford, 1901.
- Dot.Com (s) - Blue ripple. 2002.
- Dragonfly (g) - Cream flecked with dark blue. A semi grandiflora sweet pea from the 1930s.
- Dream Girl (s) - Rose pink on cream ground. Harrod, 2009.
- Dreamy Sunset (s) - Orange-red. 2004.
- Duchess of Roxburghe (s) - Pale blue. 1984.
- Duke of York (g) - Carmine standard with paler wings. Eckford.
- Duo Magenta (s) - Bicolour.
- Duo Salmon (s) - Bicolour.
- Dusty Springfield (s) - Orange-red. 2002.
- Dynasty (s) - A strong growing magenta sweet pea. Robertson, 1986.