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.  White, cream center, carmine-red edges, light green shading.  Strong fragrance.  Large, double, cupped, rose bloom form.  Mid-to-late.  USDA zone 2a and warmer.  Height of 31" to 39" (80 to 100 cm).   François-Félix Crousse (1840-1925) (1886).

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 suffruticosa.  Dark red.  Semi-double bloom form.  Midseason.  Height of up to 3' (up to 90 cm).   Toichi Domoto (1987).

9 favorite votes.  Average rating: EXCELLENT.  

Hybrid lactiflora.  White and yellow.  Strong fragrance.  Double, rose bloom form.  Mid.  USDA zone 2a and warmer.  Height of up to 35" (up to 90 cm).   Roy G. Klehm (1973).

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 / Species crosses.  Red.  Strong fragrance.  Large, double bloom form.  Early-to-mid.  USDA zone 2a and warmer.  Height of 40" (100 cm).   William S. Bockstoce (1955).

9 favorite votes.  

Hybrid lactiflora.  White.  Medicinal fragrance.  Medium to large, Japanese (anemone, imperial) bloom form.   Unknown Japanese Breeder(s) (1909).

9 favorite votes.  

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

9 favorite votes.  

Hybrid lactiflora.  Light pink, yellow center, ages to white .  Very large, double bloom form.  Midseason.  USDA zone 2a and warmer.  Height of up to 39" (up to 100 cm).   Van der Valk (1952).

9 favorite votes.  

Hybrid lactiflora.  Lemon-yellow.  Moderate fragrance.  Semi-double to double, ruffled bloom form.  Early.  Height of up to 35" (up to 90 cm).   Bruce Hamilton.

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 lactiflora.  Pink, lilac shading.  Bright yellow collar, deep pink bonnet edged red.  Moderate fragrance.  Small to medium, double, crown, Japanese (anemone, imperial) bloom form.  Early-to-mid.  USDA zone 2a and warmer.  Height of up to 30" (up to 75 cm).   Jacques Calot (1861).

9 favorite votes.  

Hybrid Lutea, Tree peony.  USDA zone 2a and warmer.   David Reath (1983).

9 favorite votes.  

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

9 favorite votes.  

Hybrid / Species crosses.  Salmon-pink.  Moderate fragrance.  Single bloom form.  Early.  Height of up to 30" (up to 75 cm).   Nathan Rudolph (1963).

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 suffruticosa, Tree peony.  Coral-pink, lighter edges.  Large, semi-double bloom form.  Late midseason.  USDA zone 2a and warmer.  Height of up to 4' 11" (up to 150 cm).  Width of up to 39" (up to 100 cm). Unknown Japanese Breeder(s).

9 favorite votes.