Hybrid / Species crosses.  

5 favorite votes.  

Hybrid Lutea, Tree peony.  Dark red.  Large, single to semi-double bloom form.  Early-to-mid.  USDA zone 2a and warmer.  Height of 3' to 4' (90 to 120 cm).   Prof. Arthur Percy Saunders (1935).

5 favorite votes.  

Hybrid lactiflora.   Ernest Flint Kelsey (1940).

5 favorite votes.  

Hybrid lactiflora.  Light pink, ages to white .  Double bloom form.   Peter Barr (1909), H.A. Terry (1905).

5 favorite votes.  

Hybrid lactiflora.  Deep pink.  Moderate fragrance.  Double bloom form.  Midseason.  USDA zone 2a and warmer.  Height of up to 33" (up to 85 cm).   Robert William Tischler (1967).

5 favorite votes.  

Hybrid suffruticosa.  Crimson, darker flares, yellow center.  Single bloom form.   Philipp Von Siebold (1844).

5 favorite votes.  

Hybrid lactiflora.  Pink, white edges.  Very large, full bloom form.  Late.   Etienne Méchin (1880).

5 favorite votes.  

Hybrid lactiflora.  Deep pink, yellow center.  Japanese (anemone, imperial) bloom form.  Late.  Height of 3' to 42" (90 to 105 cm).   Walter Marx (1968).

5 favorite votes.  

Tree peony.  Dark red.  Double, ruffled bloom form.  Mid.  USDA zone 2a and warmer.   Unknown Japanese Breeder(s).

5 favorite votes.  

Hybrid lactiflora.  Light pink, rose-pink shading.  Mild to strong, sweet fragrance.  Large, double, rose bloom form.  Mid-to-late.  Height of up to 33" (up to 85 cm).   George C. Thurlow (1921).

5 favorite votes.  

Hybrid lactiflora.  Light pink.  Moderate fragrance.  Large, Japanese (anemone, imperial) bloom form.  Early-to-mid.  Height of up to 33" (up to 85 cm).   Auguste Dessert (1921).

5 favorite votes.  

Hybrid, Hybrid Lutea, Tree peony.  Light yellow, buff shading, carmine-red flares.  Large, single to semi-double, ruffled bloom form.  USDA zone 2a and warmer.   Victor Lemoine (1909).

5 favorite votes.  

Hybrid rockii.  Pink, mauve shading.  Large, double bloom form.  Height of 3' (90 cm).   Chen Dezhong (1994).

5 favorite votes.  

Hybrid lactiflora.  Pink.  Moderate fragrance.  Large, semi-double, flat bloom form.  Midseason.  Height of 31" to 33" (80 to 85 cm).   Roy G. Klehm (1981).

5 favorite votes.  

Hybrid suffruticosa.   E. H. Krelage & Zoon (1867).

5 favorite votes.  

Hybrid lactiflora.  White.  Strong fragrance.  Large, double, rose bloom form.  Late.  USDA zone 2a and warmer.  Height of 35" (90 cm).   Archie M. Brand (1925).

5 favorite votes.  

Hybrid lactiflora.  Red.  Single, Japanese (anemone, imperial) bloom form.  Late.  USDA zone 2a and warmer.  
Height: up to 39" (up to 100cm).   Edward Auten, Jr. (1927).

5 favorite votes.  

Hybrid / Species crosses.  Dark red.  Large, full bloom form.  Early.   Edward Auten, Jr. (1962).

5 favorite votes.  

Hybrid lactiflora.  Deep pink, cream undertones.  Moderate fragrance.  Single bloom form.  Early-to-mid.  Height of 32" to 3' (80 to 90 cm).   William Henry Krekler (1980).

5 favorite votes.  

Tree peony.  USDA zone 2a and warmer.  

5 favorite votes.  

Hybrid lactiflora.   Kelway (and Son) (1929).

5 favorite votes.  

Hybrid lactiflora.   Peter Barr (1899).

5 favorite votes.  

Hybrid Lutea, Tree peony.  Coral-red, orange veining, apricot shading.  Strong fragrance.  Single bloom form.  Midseason.  USDA zone 6b and warmer.   Nassos Daphnis (1966).

5 favorite votes.  

Hybrid lactiflora.  Light pink, deep yellow center.  Very large, double bloom form.   Eugene H. Lins (1967).

5 favorite votes.