Hybrid lactiflora.  White.  Single bloom form.  USDA zone 2a and warmer.   Edward Auten, Jr. (1933).

9 favorite votes.  

Hybrid Lutea, Tree peony.  Light pink, yellow undertones, dark red flares.  Moderate fragrance.  Single to semi-double bloom form.  Midseason.  USDA zone 2a and warmer.  Height of 3' to 4' (90 to 120 cm).   Nassos Daphnis (1974).

9 favorite votes.  

Hybrid lactiflora.  Mauve, light pink center.  Large, Japanese (anemone, imperial) bloom form.  Mid-to-late.  USDA zone 2a and warmer.  Height of 7' 1" to 10' (215 to 305 cm).   Harold E. Wolfe (1970).

9 favorite votes.  

Hybrid / Species crosses.  Salmon-pink.  Semi-double bloom form.  Early.  USDA zone 2a and warmer.  Height of up to 3' (up to 90 cm).   Samuel E. Wissing (1963).

9 favorite votes.  Average rating: GOOD+.  

Hybrid / Species crosses.   Julian L. Janus.

9 favorite votes.  

Hybrid / Species crosses.  Scarlet, yellow center.  Small, single, flat bloom form.  Early-to-mid.  Height of 2' to 28" (60 to 70 cm).   Don Hollingsworth (1984).

9 favorite votes.  

Tree peony.  Violet or fuchsia / magenta.  Mild, sweet fragrance.  Large, semi-double to double bloom form.  USDA zone 2a and warmer.   Unknown Japanese Breeder(s) (1934).

9 favorite votes.  

Hybrid lactiflora.  White.  Mild to strong, medicinal fragrance.  Large, Japanese (anemone, imperial) bloom form.   Unknown Japanese Breeder(s) (1909).

9 favorite votes.  

Hybrid / Species crosses.  Deep pink, pink edges, ages to white .  None / no fragrance.  Double bloom form.  Early-to-mid.  Height of up to 32" (up to 80 cm).   William S. Bockstoce (1964).

9 favorite votes.  

Hybrid lactiflora.  Salmon-pink, light yellow center, pink center.  Moderate fragrance.  Large, double, Japanese (anemone, imperial) bloom form.  Midseason.  Height of up to 39" (up to 100 cm).   Krasnova / Краснова (1959).

9 favorite votes.  

Hybrid lactiflora.  Dark red.  Very large, double bloom form.  Late.   Edward Auten, Jr. (1941).

9 favorite votes.  

Hybrid lactiflora.  Dark red, dark red center.  Wine-red. Cream-tipped wine-red petaloids.  Medium to large, Japanese (anemone, imperial) bloom form.  Early.  USDA zone 2a and warmer.  Height of 34" (85 cm).   William Henry Krekler (1965).

9 favorite votes.  

Herbaceous species, Species.  Red.  Single bloom form.  Mid.  USDA zone 8b through 10b.  Height of 2' (60 cm).  Width of 2' (60 cm). Unknown breeder (1797).

9 favorite votes.  

Herbaceous species, Species.  Red.  Citrus fragrance.  Single bloom form.  Early.  USDA zone 2a and warmer.  Height of 20" to 2' (50 to 60 cm).  

9 favorite votes.  

Hybrid lactiflora.  Light pink, cream undertones.  Mild fragrance.  Semi-double bloom form.  Midseason.  Height of up to 37" (up to 95 cm).   E.L. "Roy" Pehrson (1980).

9 favorite votes.  

Herbaceous species, Species.  Yellow to cream.  Single bloom form.  USDA zone 2a and warmer.  

9 favorite votes.  

Hybrid / Species crosses.  Red.  Medium, semi-double bloom form.  Early.  Height of 2' (60 cm).   Prof. Arthur Percy Saunders (1934).

9 favorite votes.  

Hybrid Lutea.  Crimson, dark brown shading.  Single to semi-double bloom form.   Prof. Arthur Percy Saunders (1940).

9 favorite votes.  

Hybrid suffruticosa, Tree peony.  Carmine-pink.  Large, double bloom form.  Midseason.  USDA zone 2a and warmer.   Unknown Japanese Breeder(s).

9 favorite votes.  

Hybrid / Species crosses.  Red, yellow center.  Single bloom form.  Early.  Height of up to 3' (up to 90 cm).   Dr. Earl B.N. White (1954).

9 favorite votes.  

Hybrid lactiflora.  Light pink, rose-pink mottling.  Double bloom form.  Midseason.  USDA zone 2a and warmer.  Height of up to 35" (up to 90 cm).   B.B. Wright.

9 favorite votes.  Average rating: EXCELLENT.  

Hybrid Lutea, Tree peony.  Dark red, purple undertones.  Double bloom form.  Mid.  Height of up to 2' (up to 60 cm).   Prof. Arthur Percy Saunders (1948).

9 favorite votes.  Average rating: EXCELLENT.  

Hybrid / Species crosses.  Cream, lavender highlights.  Strong fragrance.  Single bloom form.  Early.  USDA zone 2a and warmer.   Silvia Saunders (1986).

8 favorite votes.  

Fernleaf Hybrid, Hybrid / Species crosses, Species.  Red.  Small, double bloom form.  Early.  USDA zone 2a and warmer.  Height of 8" to 1' (20 to 30 cm).   Unknown breeder (1720).

8 favorite votes.