Hybrid suffruticosa, Tree peony.  Violet-red.  Large, double bloom form.   Adrien Sénéclauze (1889).

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 suffruticosa.   Unknown Japanese Breeder(s) (1937).

4 favorite votes.  

Hybrid lactiflora.  Cherry-rose.  Single bloom form.  Early.   Kelway (and Son) (1908).

4 favorite votes.  

Hybrid lactiflora.  Light pink, white edges.  Moderate fragrance.  Full bloom form.  Height of up to 35" (up to 90 cm).   Kelway (and Son).

4 favorite votes.  

Hybrid Lutea.  Salmon-pink, purple flares.  Prominent gold stamens surrounding green carpels.  Semi-double bloom form.   Elwyn Chow (1995).

4 favorite votes.  

Hybrid lactiflora.  Salmon-pink, red mottling.  Mild fragrance.  Late.  Height of up to 3' (up to 90 cm).   Walter Marx (1965).

4 favorite votes.  

Hybrid lactiflora.  Bright crimson.  Moderate, midseason.   John F. Rosenfield or Rosefield (1908).

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.  Pink, lilac shading, lavender undertones.  Large, single, Japanese (anemone, imperial) bloom form.  Late.  Height of up to 3' (up to 90 cm).   Eugene H. Lins.

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.   Egbert Jerome Shaylor (1919).

4 favorite votes.  

Hybrid lactiflora.  Dark red.  Semi-double bloom form.  Midseason.  Height of up to 32" (up to 80 cm).   Unknown Japanese Breeder(s) (1928).

4 favorite votes.  

Hybrid lactiflora.  Light pink, red streaks, ages to white .  Moderate fragrance.  Double bloom form.  Late midseason.  Height of up to 35" (up to 90 cm).   Col. Jesse C. Nicholls (1958).

4 favorite votes.  

Hybrid lactiflora.  Rose-pink, ages to light pink .  Rose fragrance.  Double bloom form.   Peter Barr (1888).

4 favorite votes.  

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

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.  

Hybrid lactiflora.  Red.  Double bloom form.  USDA zone 2a and warmer.   Egbert Jerome Shaylor (1916).

4 favorite votes.