Hybrid suffruticosa, Tree peony.  Deep pink, purple flares.  Mild fragrance.  Medium, semi-double, rose bloom form.  Midseason.  USDA zone 2a and warmer.  Height of 5' to 7' (150 to 215 cm).  Width of 3' (90 cm). Unknown Chinese Breeder(s) (1969).

8 favorite votes.  

Hybrid lactiflora.  Deep pink, white center, rose-pink shading.  Moderate fragrance.  Double bloom form.  Mid-to-late.  Height of up to 35" (up to 90 cm).   Kelway (and Son).

8 favorite votes.  

Hybrid / Species crosses.  Red, red center.  Staminoids edged yellow.  Japanese (anemone, imperial) bloom form.  USDA zone 2a and warmer.  Height of up to 33" (up to 85 cm).   Walter Z. Mains (1957).

8 favorite votes.  

Hybrid lactiflora.  Crimson - purple.  Moderate fragrance.  Very full bloom form.  Height of up to 3' (up to 90 cm).   Louis-Joseph-Ghislain Parmentier (1850).

7 favorite votes.  

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 suffruticosa, Tree peony.  White.  Mild fragrance.  Semi-double bloom form.  Early.  USDA zone 2a and warmer.  

7 favorite votes.  

Hybrid suffruticosa.   Auguste Dessert (1902).

7 favorite votes.  

Hybrid lactiflora.  Dark red.  Single bloom form.  Midseason.   Berneche (1924).

7 favorite votes.  

Hybrid lactiflora.   Julian L. Janus.

7 favorite votes.  

Hybrid lactiflora.  Light pink.  None / no fragrance.  Large, double bloom form.  Late.  Height of up to 28" (up to 70 cm).   Ben Gilbertson (1970).

7 favorite votes.  

Hybrid lactiflora.  Red.  Large, double bloom form.  Midseason.  Height of up to 28" (up to 70 cm).   Arthur L. Murawska (1959).

7 favorite votes.  

Hybrid lactiflora.  Ruby-red.  Mild fragrance.  Medium to large, double, bomb bloom form.  Late midseason.  USDA zone 6b through 9b (default).  Height of up to 3' (up to 90 cm).   François-Félix Crousse (1840-1925) (1881).

7 favorite votes.  

Hybrid lactiflora.   Berneche (1924).

7 favorite votes.  

Hybrid lactiflora.   Walter J. Guille.

7 favorite votes.  

Hybrid lactiflora.   Berneche.

7 favorite votes.  

Hybrid suffruticosa.  Carmine-red.  Mild, rose fragrance.  Large, double, crown bloom form.   Charles His (1832).

7 favorite votes.  

Hybrid lactiflora.  Carmine-pink, pink center.  Staminoids edged and tipped yellow.  Large, Japanese (anemone, imperial) bloom form.  Midseason.  Height of up to 43" (up to 110 cm).   Col. Jesse C. Nicholls (1941).

7 favorite votes.  

Hybrid suffruticosa.  Rose-pink or light pink, lilac shading.  Strong fragrance.  Very large, semi-double to double, flat bloom form.  Early.  
Height: up to 6'7" (up to 200cm).   Unknown Chinese Breeder(s) (1794).

7 favorite votes.  

Hybrid suffruticosa.  Purple.  Medium, double, lotus bloom form.   Charles His (1851).

7 favorite votes.  

Hybrid / Species crosses.  Yellow.  Single bloom form.   Prof. Arthur Percy Saunders (1932).

7 favorite votes.  

Hybrid lactiflora.   D.M. Andrews (1925).

7 favorite votes.  

Hybrid lactiflora.   Prof. Arthur Percy Saunders (1921).

7 favorite votes.  

Hybrid lactiflora.  Deep mulberry, silver(y) edges.  Crown bloom form.  Late midseason.   Edward Auten, Jr. (1941).

7 favorite votes.  

Hybrid lactiflora.  Dark red.  Semi-double to double bloom form.  Late midseason.   Edward Auten, Jr. (1931).

7 favorite votes.