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 or lilac-pink, silver(y) center, ages to lighter .  Double bloom form.  USDA zone 2a and warmer.  

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 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.  

Hybrid Lutea.  Salmon-pink, purple flares.  Semi-double bloom form.   Elwyn Chow (1995).

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 rockii.  White, purple flares.  Semi-double to double bloom form.  Midseason.  Height of up to 35" (up to 90 cm).   Unknown breeder.

4 favorite votes.  

Hybrid lactiflora.  Cream, red flecks.  Double bloom form.  Late midseason.   Eugene H. Lins (1949).

4 favorite votes.  

Hybrid Lutea.  Mauve, cream undertones, dark purple flares.  Single to semi-double bloom form.   Prof. Arthur Percy Saunders (1944).

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.  

Hybrid lactiflora.  Rose-pink.  Petals in rosette-form.  Double, flat bloom form.  Early-to-mid.  Height of up to 30" (up to 75 cm).   Ben Gilbertson (1984).

4 favorite votes.  

Hybrid / Species crosses.  Raspberry-shaded rose-pink.  Japanese (anemone, imperial) bloom form.  Early.  
Height: up to 47" (up to 120cm).   Edward Auten, Jr. (1956).

4 favorite votes.  

Hybrid / Species crosses.  Ruby-red.  Mild fragrance.  Medium, single bloom form.  Height of up to 2' (up to 60 cm).   Roy G. Klehm (1993).

4 favorite votes.  

Hybrid lactiflora.  Cerise or deep pink.  Large, single bloom form.  Prolific.   Kelway (and Son).

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 lactiflora.  White.  Moderate fragrance.  Double bloom form.  Late.  Height of up to 33" (up to 85 cm).   Bruce & Dorothy Hamilton.

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.