Hybrid lactiflora.  Rose-pink.  Center petals curled.  Mild to strong, sweet fragrance.  Double bloom form.   Kelway (and Son).

5 favorite votes.  

Hybrid Lutea, Tree peony.  Yellow, red edges, red flares, ages to light yellow .  Single, ruffled bloom form.  Midseason.  USDA zone 2a and warmer.   Prof. Arthur Percy Saunders (1950).

5 favorite votes.  

Hybrid lactiflora.  Pink.  Strong, rose fragrance.  Double, rose bloom form.  Very early.  USDA zone 2a and warmer.   Arthur L. Murawska (1951).

5 favorite votes.  

Hybrid lactiflora.  Red.  Mild to strong fragrance.  Large, single bloom form.  USDA zone 2a and warmer.  
Height: 25" to 27" (65 to 70cm).   Gilbert H. Wild & Son (1956).

5 favorite votes.  

Hybrid Lutea, Tree peony.  Dark red.  Golden stamens.  Moderate fragrance.  Large, semi-double, ruffled bloom form.  Early-to-mid.  USDA zone 2a and warmer.  
Height: 3' to 4' (90 to 120cm).   Nassos Daphnis (1974).

5 favorite votes.  

Hybrid lactiflora.  White, light pink undertones.  Mild fragrance.  Double bloom form.  Midseason.  Height of up to 32" (up to 80 cm).   Roy G. Klehm (1986).

5 favorite votes.  

Hybrid lactiflora.  Deep pink to pink, cream undertones, green streaks.  Cactus-dahlia-style.  Small, single bloom form.  Midseason.  Height of up to 26" (up to 65 cm).   Roy G. Klehm (1984).

5 favorite votes.  

Hybrid lactiflora.  Pink.  Small, single bloom form.  Late.  USDA zone 2a and warmer.  Height of 32" (80 cm).   Millet & Son.

5 favorite votes.  

Hybrid lactiflora.   Hans Peter Sass (1924).

5 favorite votes.  

Hybrid lactiflora.  White, lemon-yellow center.  Very large, flat, Japanese (anemone, imperial) bloom form.  Midseason.  Height of up to 33" (up to 85 cm).   Col. Jesse C. Nicholls (1958).

5 favorite votes.  

Hybrid Lutea, Tree peony.  Butter-yellow, red flares.  Semi-double bloom form.  Early-to-mid.  USDA zone 2a and warmer.  Height of 32" to 43" (80 to 110 cm).   Prof. Arthur Percy Saunders (1949).

5 favorite votes.  

Hybrid lactiflora.  White, light yellow center.  Mild to strong fragrance.  Japanese (anemone, imperial) bloom form.  Mid.  USDA zone 2a and warmer.  Height of 38" (95 cm).   John F. Rosenfield or Rosefield (1934).

5 favorite votes.  

Tree peony.  Red.  Rose bloom form.  USDA zone 2a and warmer.  

5 favorite votes.  

Hybrid lactiflora.  Light pink.  Strong fragrance.  Large, double bloom form.  Late.  USDA zone 2a and warmer.  Height of up to 30" (up to 75 cm).   Hans Peter Sass (1932).

5 favorite votes.  

Hybrid suffruticosa, Tree peony.  Red, purple shading, dark purple undertones.  Medium, semi-double to double, rose bloom form.  Midseason.  USDA zone 2a and warmer.   Unknown Chinese Breeder(s) (1968).

5 favorite votes.  

Hybrid suffruticosa, Tree peony.  Pink, darker flares.  Single bloom form.  Early-to-mid.  USDA zone 2a and warmer.  Height of up to 4' (up to 120 cm).   William H. Gratwick III (1980).

5 favorite votes.  

Hybrid / Species crosses.  Red, orange-red shading.  Moderate fragrance.  Single to semi-double, ruffled bloom form.  Early-to-mid.  USDA zone 2a and warmer.  Height of 3' (90 cm).   David Reath (1981).

5 favorite votes.  

Hybrid lactiflora.  Pink.  Large, double bloom form.  Mid.  USDA zone 2a and warmer.  Height of 32" (80 cm).   Alonzo B. Franklin (1944).

5 favorite votes.  

Hybrid lactiflora.  Red, golden-yellow center.  Large, double bloom form.  Late.  USDA zone 2a and warmer.  Height of up to 43" (up to 110 cm).   Edward Auten, Jr. (1933).

5 favorite votes.  

Herbaceous species, Species.  

5 favorite votes.  

Hybrid lactiflora.  Light pink, cream shading.  Moderate fragrance.  Double, bomb, Japanese (anemone, imperial) bloom form.  Midseason.  Height of 3' (90 cm).   Roy G. Klehm (1970).

5 favorite votes.  

Hybrid / Species crosses.  Deep pink.  Single bloom form.   Prof. Arthur Percy Saunders (1934).

5 favorite votes.  

Hybrid Lutea.  Pink, golden-yellow center.  Single bloom form.   William J. Seidl (2011).

5 favorite votes.  

Hybrid lactiflora.  Deep pink, silver(y) edges.  Moderate fragrance.  Double bloom form.  Late midseason.  USDA zone 2a and warmer.   Unknown breeder.

5 favorite votes.