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 / Species crosses.  Crimson, yellow center.  Medium, single bloom form.  USDA zone 2a and warmer.  Height of 26" to 35" (65 to 90 cm).   Edward Auten, Jr. (1968).

7 favorite votes.  

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

7 favorite votes.  

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

7 favorite votes.  

Tree peony.  Yellow.  Mild fragrance.  Mid.  USDA zone 2a and warmer.  

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.  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.  Average rating: EXCELLENT-.  

Hybrid Lutea, Tree peony.  Butter-yellow, red flares.  Strong, sweet fragrance.  Semi-double bloom form.  Early-to-mid.  USDA zone 2a and warmer.  Height of 5' (150 cm).   Prof. Arthur Percy Saunders (1952).

7 favorite votes.  

Hybrid lactiflora.  Dark red.  Double bloom form.  Late midseason.  USDA zone 2a and warmer.  Height of up to 32" (up to 80 cm).   Edward Auten, Jr. (1952).

7 favorite votes.  

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

7 favorite votes.  

Hybrid / Species crosses.  Red.  Yellow anthers, red stamens.  None to mild fragrance.  Very large, single bloom form.  Early.  
Height: up to 32" (up to 80cm).   Lyman D. Glasscock (1931).

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.  Cherry-red or crimson, purple shading.  Mild fragrance.  Medium to large, double, Japanese (anemone, imperial) bloom form.  Midseason.  USDA zone 2a and warmer.  Height of up to 35" (up to 90 cm).   Jacques Calot (1863).

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.  

Tree peony.  Pink.  Mild fragrance.  Mid.  USDA zone 2a and warmer.  

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.  

Tree peony.  White.  USDA zone 2a and warmer.  

7 favorite votes.  

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

7 favorite votes.