Hybrid / Species crosses.  Red.  Double bloom form.  Height of up to 18" (up to 45 cm).   Unknown breeder.

4 favorite votes.  

Hybrid suffruticosa, Tree peony.  Mauve, pink highlights, white stripes.  Semi-double bloom form.  USDA zone 2a and warmer.   Antoine Rivière (1935).

4 favorite votes.  

Hybrid lactiflora.  Rose-pink, cream streaks.  Moderate fragrance.  Medium, single to semi-double bloom form.  Mid-to-late.  USDA zone 2a and warmer.  Height of 30" to 32" (75 to 80 cm).   William Henry Krekler (1999).

4 favorite votes.  

Hybrid Lutea.  Light yellow, dark red flares.  Large, single bloom form.  Midseason.  Height of up to 32" (up to 80 cm).   Prof. Arthur Percy Saunders (1939).

4 favorite votes.  

Hybrid lactiflora.  Rose-pink, violet shading.  Strong fragrance.  Large, full, rose bloom form.  Late.  USDA zone 2a and warmer.   François-Félix Crousse (1840-1925) (1895).

4 favorite votes.  

Hybrid suffruticosa, Tree peony.  Red, dark purple undertones.  Crown bloom form.  USDA zone 2a and warmer.   Unknown Chinese Breeder(s).

4 favorite votes.  

Hybrid lactiflora.  Cherry-rose.  Single bloom form.  Early.   Kelway (and Son) (1908).

4 favorite votes.  

Hybrid lactiflora.  Red.  Double bloom form.  Late.  USDA zone 2a and warmer.  Height of 33" (85 cm).   Carl G. Klehm (1970).

4 favorite votes.  

Unknown.  White, light pink shading.  Medium, full, bomb bloom form.  Late.  USDA zone 2a and warmer.   Victor Lemoine & Sons (1914).

4 favorite votes.  

Hybrid suffruticosa.  Deep pink, purple stripes, carmine-red stripes.  Dark purple disk.  Single bloom form.   Philipp Von Siebold (1867).

4 favorite votes.  

Hybrid / Species crosses.  Orange-red.  Medium, single bloom form.  Early.  Height of 28" to 31" (70 to 80 cm).   Edward Auten, Jr. (1956).

4 favorite votes.  

Hybrid lactiflora.   Ernest Flint Kelsey (1940).

4 favorite votes.  

Hybrid lactiflora.  White.  Cupped, rose bloom form.  Prolific.   John F. Rosenfield or Rosefield (1925).

4 favorite votes.  

Hybrid suffruticosa, Tree peony.  Pink, green center.  Moderate fragrance.  Medium, double bloom form.  Midseason.  USDA zone 2a and warmer.  Height of up to 7' (up to 215 cm).   Unknown Chinese Breeder(s).

4 favorite votes.  

Hybrid lactiflora.  White, light yellow shading.  Full bloom form.  Late.   Edward Auten, Jr. (1943).

4 favorite votes.  

Hybrid suffruticosa.  Ruby-red, purple shading.  None / no fragrance.  Large, single bloom form.  Mid-to-late.  Height of 47" to 4' 11" (120 to 150 cm).   Michel Rivière (1994).

4 favorite votes.  

Hybrid lactiflora.  White.  Japanese (anemone, imperial) bloom form.  USDA zone 2a and warmer.   J.R. Mann (1936), Julius J. Van Steen (1936).

4 favorite votes.  

Herbaceous species, Species.  Red.  USDA zone 2a and warmer.  Height of 2' to 3' (60 to 90 cm).  

4 favorite votes.  

Hybrid lactiflora.  White, light yellow center.  Moderate fragrance.  Single, Japanese (anemone, imperial) bloom form.  Midseason.  Height of up to 3' (up to 90 cm).   Don Hollingsworth (1990).

4 favorite votes.  

Hybrid / Species crosses.  Pink.  Semi-double, flat bloom form.  Early.  USDA zone 2a and warmer.  Height of up to 30" (up to 75 cm).   David Reath (1974).

4 favorite votes.  

Hybrid Lutea.  Golden-yellow, red edges, dark red flares.  Single bloom form.  Midseason.   Prof. Arthur Percy Saunders (1942).

4 favorite votes.  

Hybrid Lutea, Tree peony.  Deep yellow, salmon-pink blending, deep pink blending, purple blending.  Moderate, lemon fragrance.  Large, full bloom form.  Midseason.  
Height: up to 39" (up to 100cm).   Victor Lemoine & Sons (1920).

4 favorite votes.  

Hybrid lactiflora.  Rose-pink.  Strong, rose fragrance.  Double bloom form.  Late midseason.  USDA zone 2a and warmer.  Height of 34" (85 cm).   Carl G. Klehm (1952).

4 favorite votes.  

Hybrid / Species crosses, Hybrid lactiflora.  White.  Moderate fragrance.  Double, bomb bloom form.  Midseason.  USDA zone 2a and warmer.  Height of up to 30" (up to 75 cm).   David Reath (1979).

4 favorite votes.