Intersectional Hybrid / Itoh.  Yellow, red streaks, stripes, flecks.  Single to semi-double bloom form.  Height of up to 38" (up to 95 cm).   Roger F. Anderson (2004).

5 favorite votes.  

Hybrid lactiflora.  Crimson, lavender highlights.  Yellow stamens.  None to mild fragrance.  Very large, double bloom form.  Midseason.   Auguste Dessert (1915).

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 Lutea, Tree peony.  Dark red.  Golden stamens.  Moderate fragrance.  Large, semi-double, ruffled bloom form.  Early-to-mid.  USDA zone 2a and warmer.  
Height: 3' to 4' (90 to 120cm).   Nassos Daphnis (1974).

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.  Light pink.  Moderate fragrance.  Double bloom form.  Late.  USDA zone 2a and warmer.   Victor Lemoine & Sons (1925).

5 favorite votes.  

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

5 favorite votes.  

Tree peony.  Red.  Rose bloom form.  USDA zone 2a and warmer.  

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 suffruticosa.  White, mauve flares.  Cream bonnet.  Very large, double bloom form.  USDA zone 2a and warmer.   Robert Fortune.

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 suffruticosa, Tree peony.  Pink, darker flares.  Single bloom form.  Early-to-mid.  USDA zone 2a and warmer.  Height of up to 4' (up to 120 cm).   William H. Gratwick III (1980).

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 Lutea, Tree peony.  Yellow and mauve, rose-pink shading, deep pink flares.  Single bloom form.  Mid.  USDA zone 2a and warmer.  Height of up to 3' (up to 90 cm).   Prof. Arthur Percy Saunders (1939).

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, golden-yellow center.  Large, double bloom form.  Late.  USDA zone 2a and warmer.  Height of up to 43" (up to 110 cm).   Edward Auten, Jr. (1933).

5 favorite votes.  

Hybrid lactiflora.  Seashell-pink, deep pink undertones, silver(y) highlights.  Mild fragrance.  Large, double, rose bloom form.  Late.  USDA zone 2a and warmer.   Gilbert H. Wild & Son (1950).

5 favorite votes.  

Herbaceous species, Species.  

5 favorite votes.  

Hybrid lactiflora.  Light pink, cream shading.  Moderate fragrance.  Double, bomb, Japanese (anemone, imperial) bloom form.  Midseason.  Height of 3' (90 cm).   Roy G. Klehm (1970).

5 favorite votes.  

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

5 favorite votes.  

Hybrid Lutea.  Pink, golden-yellow center.  Single bloom form.   William J. Seidl (2011).

5 favorite votes.