Hybrid lactiflora.  Light pink, yellow center, ages to white .  Semi-double, cupped bloom form.  Early-to-mid.  USDA zone 2a and warmer.   Myron D. Bigger (1949).

4 favorite votes.  

Hybrid lactiflora.  White, cream shading, carmine-red stripes, light yellow undertones.  Medium to large, double, cupped, flat bloom form.  Midseason.  Height of up to 39" (up to 100 cm).   François-Félix Crousse (1840-1925) (1885).

4 favorite votes.  

Hybrid lactiflora.  White.  Faint red markings on reverse.  Moderate fragrance.  Large, double bloom form.  USDA zone 2a and warmer.  Height of up to 35" (up to 90 cm).   Christian Olson (1959).

4 favorite votes.  

Hybrid lactiflora.  Light pink, buff shading.  Rose fragrance.  Full bloom form.  Midseason.  Height of up to 3' (up to 90 cm).   François-Félix Crousse (1840-1925) (1884).

4 favorite votes.  

Hybrid lactiflora.  Light pink, salmon-pink shading.  Moderate fragrance.  Double bloom form.  Late.  USDA zone 2a and warmer.   Victor Lemoine & Sons (1927).

4 favorite votes.  

Tree peony.  Crimson, pink blending, light pink blending.  Very large, double, ruffled bloom form.  USDA zone 2a and warmer.   Goethals (1823).

4 favorite votes.  

Hybrid lactiflora.  Cherry-red, rose-red center.  Staminoids tipped yellow.  Moderate fragrance.  Single, cupped, Japanese (anemone, imperial) bloom form.  Late.  Height of up to 35" (up to 90 cm).   Kelway (and Son) (1930).

4 favorite votes.  

Hybrid lactiflora.  Red.  Staminoids tipped yellow.  Very large, double, Japanese (anemone, imperial) bloom form.  Midseason.  USDA zone 2a and warmer.  Height of up to 35" (up to 90 cm).   Grant B. Babcock (1929).

4 favorite votes.  

Hybrid lactiflora.  Crimson.  Central petals tipped yellow.  USDA zone 4a through 8b.   Unknown Japanese Breeder(s) (1909).

4 favorite votes.  

Hybrid / Species crosses.  Rose-pink, lighter flares.  Single to semi-double bloom form.  Midseason.  USDA zone 2a and warmer.  Height of up to 35" (up to 90 cm).   Prof. Arthur Percy Saunders (1934).

4 favorite votes.  

Hybrid lactiflora.  Red.  Double, bomb bloom form.  Early.  Height of up to 33" (up to 85 cm).   Carl G. Klehm (1949).

4 favorite votes.  

Hybrid suffruticosa.  Carmine-red.  Serrated petals.  Medium, double bloom form.   Unknown Japanese Breeder(s).

4 favorite votes.  

Hybrid lactiflora.  Mauve, purple shading.  Double bloom form.  Late.  Height of up to 32" (up to 80 cm).   Jacques Calot (1856).

4 favorite votes.  

Hybrid rockii.  White, lilac shading, black flares.  Strong fragrance.  Large, single to semi-double bloom form.   Chen Dezhong (1985).

4 favorite votes.  

Hybrid lactiflora.   Egbert Jerome Shaylor (1915).

4 favorite votes.  

Hybrid / Species crosses.  Peach to buff.  Moderate fragrance.  Single, ruffled bloom form.  Early.  USDA zone 2a and warmer.  Height of 33" to 40" (85 to 100 cm).   Hubert A. Fischer (1969).

4 favorite votes.  

Hybrid / Species crosses.  Deep pink, silver(y) edges.  None / no fragrance.  Double, flat bloom form.  Midseason.  Height of up to 3' (up to 90 cm).   Lyman D. Glasscock (1973).

4 favorite votes.  

Hybrid lactiflora.  Pink, lemon-yellow center, silver(y) edges.  Single, Japanese (anemone, imperial) bloom form.  Midseason.   Col. Jesse C. Nicholls (1964).

4 favorite votes.  

Hybrid lactiflora.  Deep pink.  Japanese (anemone, imperial) bloom form.  Midseason.  USDA zone 2a and warmer.   Robert William Tischler (1972).

4 favorite votes.  

Hybrid lactiflora.   E. H. Krelage & Zoon (1919).

4 favorite votes.  

Hybrid suffruticosa, Tree peony.  White.  Golden anthers.  Very large, semi-double to double bloom form.  Early.  USDA zone 2a and warmer.  
Height: 39" to 4'11" (100 to 150cm).   Unknown Japanese Breeder(s) (1889).

4 favorite votes.  

Hybrid / Species crosses.  Brilliant red.  Stamens visible.  Medium, semi-double to double, rose bloom form.  Early.  USDA zone 2a and warmer.  
Height: up to 19" (up to 50cm).   Edward Auten, Jr. (1936).

4 favorite votes.  

Hybrid suffruticosa.  Carmine-pink, purple undertones.  Some green petals.  Strong fragrance.  Medium, crown bloom form.  Late.  USDA zone 2a and warmer.  Height of up to 4' (up to 120 cm).   Unknown Chinese Breeder(s).

4 favorite votes.  

Hybrid suffruticosa, Tree peony.  Purple, dark purple flares.  Semi-double to double bloom form.  USDA zone 2a and warmer.   Unknown Japanese Breeder(s) (1926).

4 favorite votes.