Hybrid suffruticosa.  Purple.  Full bloom form.   Modeste Guérin (1846).

6 favorite votes.  

Hybrid / Species crosses.  Light pink and white.  Double bloom form.  Early.  Height of up to 2' (up to 60 cm).   Unknown breeder.

6 favorite votes.  

Hybrid / Species crosses.   Prof. Arthur Percy Saunders (1952).

6 favorite votes.  

Hybrid lactiflora.  Purple - red.  Mild fragrance.  Small to medium bloom form.  Midseason.   Jacques Calot (1865).

6 favorite votes.  

Hybrid suffruticosa, Tree peony.  White.  Double, Japanese (anemone, imperial) bloom form.  Mid.  USDA zone 2a and warmer.   Unknown Chinese Breeder(s).

6 favorite votes.  

Hybrid lactiflora.  Light pink, yellow center.  None to mild fragrance.  Single to semi-double, flat bloom form.  Midseason.  Height of 34" to 3' (85 to 90 cm).   Don Hollingsworth (1980).

6 favorite votes.  

Hybrid lactiflora.  Light pink.  Blush.  Large, single bloom form.  Early.   Walter L. Gumm (1930).

6 favorite votes.  

Hybrid lactiflora.  White, cream undertones.  Mild fragrance.  Large, double, bomb, cupped bloom form.  Midseason.  Height of 28" to 30" (70 to 75 cm).   Carl G. Klehm (1959).

6 favorite votes.  

Hybrid lactiflora.  Deep pink or rose-pink.  Narrow center petals.   Jacques Calot (1858).

6 favorite votes.  

Hybrid Lutea, Tree peony.  Dark red, dark brown shading.  Large, single to semi-double bloom form.  USDA zone 2a and warmer.   Prof. Arthur Percy Saunders (1941).

6 favorite votes.  

Hybrid lactiflora.  Dark red.  Double, bomb bloom form.  Midseason.  Height of 30" to 32" (75 to 80 cm).   Robert William Tischler (1999).

6 favorite votes.  

Hybrid suffruticosa.  

6 favorite votes.  

Hybrid / Species crosses.  Light yellow.  Moderate fragrance.  Single bloom form.  Height of up to 2' (up to 60 cm).   Eivind Hansen (2006).

6 favorite votes.  

Hybrid / Species crosses.  Cream.  Moderate fragrance.  Single bloom form.  Height of up to 32" (up to 80 cm).   Eivind Hansen (2009).

6 favorite votes.  

Hybrid suffruticosa, Tree peony.  Dark purple, black flares.  Strong fragrance.  Medium, full, crown bloom form.  Midseason.  USDA zone 2a and warmer.   Unknown Chinese Breeder(s) (1973).

6 favorite votes.  

Hybrid lactiflora.  White, light yellow center.  Large, Japanese (anemone, imperial) bloom form.  Midseason.  USDA zone 2a and warmer.   Dr. John H. Neeley (1930).

6 favorite votes.  

Hybrid suffruticosa, Tree peony.  Red, purple highlights.  Medium to large, double, hundred petal bloom form.  Midseason.  USDA zone 2a and warmer.   Unknown Chinese Breeder(s) (1968).

6 favorite votes.  

Hybrid lactiflora.  Red.  Glossy.  Medium, double bloom form.   William Henry Krekler (1977).

6 favorite votes.  

Hybrid lactiflora.  Light pink, yellow center, ages to white .  Strong fragrance.  Large, semi-double bloom form.  Early-to-mid.  USDA zone 6b through 9b (default).  Width of 4' (120 cm). J.R. Mann (1936), Julius J. Van Steen (1936).

6 favorite votes.  

Hybrid lactiflora.  White.  Large, single bloom form.  Early.   Gilbert H. Wild & Son (1950).

6 favorite votes.  

Hybrid lactiflora.  Red.  Medium, double bloom form.  Midseason.  Height of up to 35" (up to 90 cm).   Gilbert H. Wild & Son (1950).

6 favorite votes.  

Hybrid lactiflora.  Crimson.  Strong fragrance.  Double bloom form.  Early.  USDA zone 2a and warmer.  Height of up to 39" (up to 100 cm).   Pfeiffer Nursery (1937).

6 favorite votes.  

Hybrid / Species crosses.  Yellow.  Single bloom form.  Very early.  Height of up to 2' (up to 60 cm).   Prof. Arthur Percy Saunders (1940).

6 favorite votes.  

Hybrid suffruticosa, Tree peony.  Red, purple shading.  Large, double bloom form.  Height of up to 47" (up to 120 cm).   Unknown Japanese Breeder(s).

6 favorite votes.