Hybrid / Species crosses.  White, yellow center.  Large, single bloom form.  USDA zone 2a and warmer.  Height of up to 3' (up to 90 cm).   Prof. Arthur Percy Saunders (1950).

7 favorite votes.  

Hybrid lactiflora.  Dark red.  Moderate fragrance.  Single bloom form.   Unknown Chinese Breeder(s).

7 favorite votes.  

Hybrid / Species crosses.   Julian L. Janus.

7 favorite votes.  

Hybrid lactiflora.  Deep pink.  Moderate fragrance.  Double, bomb bloom form.  Midseason.  Height of up to 3' (up to 90 cm).   George E. Winchell (1946).

7 favorite votes.  

Hybrid lactiflora.  Cerise, cream center.  Moderate fragrance.  Medium, Japanese (anemone, imperial) bloom form.  Mid-to-late.  USDA zone 2a and warmer.  
Height: up to 3' (up to 90cm).   Edward Auten, Jr. (1933).

7 favorite votes.  

Hybrid lactiflora.  Red, purple shading.  Very double, crown bloom form.  Early.   Unknown Chinese Breeder(s).

7 favorite votes.  

Hybrid suffruticosa.  Cream, light pink shading.  Double bloom form.  Midseason.   Sir Peter Smithers (2006).

7 favorite votes.  

Hybrid suffruticosa, Tree peony.  Blush pink, salmon-pink highlights.  Very large, full, bomb bloom form.  Early.   Adrien Sénéclauze (1889).

7 favorite votes.  

Hybrid lactiflora.  Deep pink to red, lilac highlights, butter-yellow edges.  Very large, Japanese (anemone, imperial) bloom form.  Midseason.  Height of up to 47" (up to 120 cm).   Michel Rivière (1988).

7 favorite votes.  

Hybrid lactiflora.   Berneche (1924).

7 favorite votes.  

Hybrid lactiflora.   Peter Barr.

7 favorite votes.  

Species, Tree peony.  Rose-pink.  Large, single bloom form.  USDA zone 2a and warmer.  Height of up to 4' 11" (up to 150 cm).  

7 favorite votes.  

Hybrid lactiflora.  Light pink, deep pink center, light yellow undertones.  Mild fragrance.  Double bloom form.  Mid-to-late.  Height of up to 30" (up to 75 cm).   Allen J. Wild (1952).

7 favorite votes.  

Hybrid suffruticosa.  Light pink.  Large, semi-double bloom form.   Unknown Japanese Breeder(s) (1893).

7 favorite votes.  

Hybrid suffruticosa.  Violet-red, fuchsia / magenta shading.  Large, full bloom form.   Joseph Pernet-Ducher (1885).

7 favorite votes.  

Hybrid suffruticosa, Tree peony.  Cream, light yellow shading.  Mild fragrance.  Medium, double, crown bloom form.  Late midseason.  USDA zone 2a and warmer.   Yao (1025).

7 favorite votes.  

Hybrid lactiflora.  Light pink, light yellow undertones.  Moderate fragrance.  Double bloom form.  Late.  Height of up to 2' (up to 60 cm).   Unknown New Zealand Breeder(s).

6 favorite votes.  

Hybrid lactiflora.  Red.  Japanese (anemone, imperial) bloom form.   Robert William Tischler (1976).

6 favorite votes.  

Hybrid Lutea, Tree peony.  Crimson, dark red flares.  Large, single to semi-double bloom form.  Mid.  USDA zone 2a and warmer.  Height of up to 3' (up to 90 cm).   Prof. Arthur Percy Saunders (1942).

6 favorite votes.  

Hybrid rockii.  Deep pink, mauve shading, cream center, purple flares.  Mild fragrance.  Medium to large, single to semi-double, lotus bloom form.  Early-to-mid.   Chen Dezhong (1994).

6 favorite votes.  

Hybrid lactiflora.   Edward Auten, Jr. (1937).

6 favorite votes.  

Species, Tree peony.  Color varies from purple-crimson to peach; yellow and white forms are classed separately.  Medium, single bloom form.  USDA zone 6b through 9b (default).  
Height: 5½' to 6' (165 to 185cm).   Père Jean Marie Delavay (1884).

6 favorite votes.  

Hybrid lactiflora.  Light pink, yellow center.  Japanese (anemone, imperial) bloom form.  USDA zone 2a and warmer.   Unknown Japanese Breeder(s) (1909).

6 favorite votes.  

Hybrid lactiflora.  Light pink, cherry-red stripes.  Double bloom form.  Mid.  USDA zone 2a and warmer.  Height of 32" to 34" (80 to 85 cm).   Roy G. Klehm (1969).

6 favorite votes.