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.  Cerise, purple shading.  Mild fragrance.  Medium to large, double, Japanese (anemone, imperial) bloom form.  Midseason.  USDA zone 2a and warmer.  
Height: up to 35" (up to 90cm).   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.   Berneche.

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.