Hybrid lactiflora.  Light pink, yellow center, ages to white .  Semi-double, cupped bloom form.  Early-to-mid.  USDA zone 2a and warmer.   Myron D. Bigger (1949).

4 favorite votes.  

Hybrid lactiflora.  White.  Faint red markings on reverse.  Moderate fragrance.  Large, double bloom form.  USDA zone 2a and warmer.  Height of up to 35" (up to 90 cm).   Christian Olson (1959).

4 favorite votes.  

Hybrid lactiflora.  White, cream center.  Double bloom form.  Height of up to 2' (up to 60 cm).   Unknown breeder (1947).

4 favorite votes.  

Hybrid lactiflora.   Donahue (1927).

4 favorite votes.  

Intersectional Hybrid / Itoh.  Apricot, yellow shading, pink outer petals, red undertones.  Semi-double to double bloom form.  Height of 26" to 28" (65 to 70 cm).   Roger F. Anderson (1992).

4 favorite votes.  

Hybrid suffruticosa.  Carmine-red.  Dark purple disk.  Single bloom form.   Philipp Von Siebold (1844).

4 favorite votes.  

Hybrid lactiflora.  Deep pink.  Very large, double bloom form.  Late midseason.   Eugene H. Lins (1945).

4 favorite votes.  

Tree peony.  Crimson, pink blending, light pink blending.  Very large, double, ruffled bloom form.  USDA zone 2a and warmer.   Goethals (1823).

4 favorite votes.  

Hybrid lactiflora.  Red.  Staminoids tipped yellow.  Very large, double, Japanese (anemone, imperial) bloom form.  Midseason.  USDA zone 2a and warmer.  Height of up to 35" (up to 90 cm).   Grant B. Babcock (1929).

4 favorite votes.  

Hybrid / Species crosses.  Rose-pink, lighter flares.  Single to semi-double bloom form.  Midseason.  USDA zone 2a and warmer.  Height of up to 35" (up to 90 cm).   Prof. Arthur Percy Saunders (1934).

4 favorite votes.  

Hybrid Lutea.  Light yellow, dark red flares.  Semi-double to double, cupped bloom form.   Prof. Arthur Percy Saunders (1941).

4 favorite votes.  

Hybrid lactiflora.   Kelway (and Son).

4 favorite votes.  

Hybrid suffruticosa.   Unknown Japanese Breeder(s) (1897).

4 favorite votes.  

Hybrid suffruticosa.  Pink, lilac shading, purple flares.  Medium to large, double, crown bloom form.  Midseason.   Unknown Chinese Breeder(s) (1990).

4 favorite votes.  

Hybrid lactiflora.   Georg Arends.

4 favorite votes.  

Hybrid / Species crosses.  Peach to buff.  Moderate fragrance.  Single, ruffled bloom form.  Early.  USDA zone 2a and warmer.  Height of 33" to 40" (85 to 100 cm).   Hubert A. Fischer (1969).

4 favorite votes.  

Herbaceous species, Species.  Pink.  Small to medium, single to semi-double bloom form.  Very early.  Height of 18" (45 cm).  

4 favorite votes.  

Hybrid lactiflora.  Deep pink.  Japanese (anemone, imperial) bloom form.  Midseason.  USDA zone 2a and warmer.   Robert William Tischler (1972).

4 favorite votes.  

Hybrid lactiflora.  Dark red.  Large, single bloom form.   Edward Auten, Jr. (1925).

4 favorite votes.  

Hybrid suffruticosa, Tree peony.  White.  Golden anthers.  Very large, semi-double to double bloom form.  Early.  USDA zone 2a and warmer.  
Height: 39" to 4'11" (100 to 150cm).   Unknown Japanese Breeder(s) (1889).

4 favorite votes.  

Hybrid / Species crosses.  Brilliant red.  Stamens visible.  Medium, semi-double to double, rose bloom form.  Early.  USDA zone 2a and warmer.  
Height: up to 19" (up to 50cm).   Edward Auten, Jr. (1936).

4 favorite votes.  

Hybrid suffruticosa.  Carmine-pink, purple undertones.  Some green petals.  Strong fragrance.  Medium, crown bloom form.  Late.  USDA zone 2a and warmer.  Height of up to 4' (up to 120 cm).   Unknown Chinese Breeder(s).

4 favorite votes.  

Hybrid suffruticosa.  Red.  Medium, single to semi-double bloom form.  Repeats.   Unknown Japanese Breeder(s) (1940).

4 favorite votes.  

Hybrid lactiflora.   Alonzo B. Franklin (1933).

4 favorite votes.