Hybrid lactiflora.  White, light pink highlights.  Double, rose bloom form.  USDA zone 2a and warmer.   Col. Jesse C. Nicholls (1937).

6 favorite votes.  

Hybrid / Species crosses.  Dark red.  Double bloom form.  Mid.  USDA zone 2a and warmer.   William Henry Krekler (1965).

6 favorite votes.  

Hybrid Lutea, Tree peony.  Yellow.  Semi-double, ruffled bloom form.  Early-to-mid.  USDA zone 2a and warmer.  Height of 3' to 4' (90 to 120 cm).   Prof. Arthur Percy Saunders (1944).

6 favorite votes.  

Hybrid lactiflora.  Purple - red.  Mild fragrance.  Small to medium bloom form.  Midseason.   Jacques Calot (1865).

6 favorite votes.  

Hybrid lactiflora.  Dark red.  Staminoids edged yellow.  Japanese (anemone, imperial) bloom form.  Midseason.  USDA zone 2a and warmer.   R.H. Jones (1957).

6 favorite votes.  

Hybrid / Species crosses.  Dark red.  Large, single bloom form.  Very early.  USDA zone 2a and warmer.   Edward Auten, Jr. (1937).

6 favorite votes.  

Intersectional Hybrid / Itoh.  Yellow, lighter edges, red flares.  Medium, single to semi-double bloom form.  Midseason.  USDA zone 2a and warmer.  Height of 18" to 2' (45 to 60 cm).   Don Hollingsworth (1974).

6 favorite votes.  

Hybrid lactiflora.  White, cream undertones.  Mild fragrance.  Large, double, bomb, cupped bloom form.  Midseason.  Height of 28" to 30" (70 to 75 cm).   Carl G. Klehm (1959).

6 favorite votes.  

Hybrid lactiflora.  White, cream center.  Moderate fragrance.  Very large, Japanese (anemone, imperial) bloom form.  Mid.  USDA zone 2a and warmer.  Height of 30" to 3' (75 to 90 cm).   Myron D. Bigger (1937).

6 favorite votes.  

Hybrid / Species crosses.  Cream.  Moderate fragrance.  Single bloom form.  Height of up to 32" (up to 80 cm).   Eivind Hansen (2009).

6 favorite votes.  

Hybrid / Species crosses.  Light pink, ages to silver(y) .  Single bloom form.  Early.   Prof. Arthur Percy Saunders (1934).

6 favorite votes.  

Hybrid lactiflora.   Ernest Flint Kelsey (1936).

6 favorite votes.  

Hybrid suffruticosa.  Light pink, purple flares.  Large, semi-double bloom form.  USDA zone 2a and warmer.   Unknown Japanese Breeder(s) (1919).

6 favorite votes.  

Hybrid lactiflora.  Pink, purple shading, yellow center.  Moderate fragrance.  Single bloom form.  Early.  USDA zone 2a and warmer.  Height of up to 39" (up to 100 cm).   Max Josef Goos (1912), August Koenemann (1912).

6 favorite votes.  

Hybrid lactiflora.  White, lemon-yellow center.  Light pink bonnet (15-30 petals).  Strong fragrance.  Medium, double, bomb bloom form.  Early-to-early mid.  USDA zone 2a and warmer.  Height of 30" to 35" (75 to 90 cm).   Carl G. Klehm (1970).

6 favorite votes.  

Hybrid Lutea, Tree peony.  Yellow, red flares.  Moderate fragrance.  Large, single bloom form.  Late.  USDA zone 2a and warmer.   Victor Lemoine & Sons (1941).

6 favorite votes.  

Hybrid / Species crosses.  Red, violet shading.  Upright.  Single bloom form.  Height of 1' to 16" (30 to 40 cm).   Antoine A. Jacques (1843).

6 favorite votes.  

Hybrid Lutea, Tree peony.  Mauve, yellow undertones, darker flares.  Single to semi-double bloom form.  Late midseason.  USDA zone 2a and warmer.   Prof. Arthur Percy Saunders (1941).

6 favorite votes.  

Hybrid lactiflora.  Seashell-pink.  Medium, double bloom form.  Late.  Height of 35" to 39" (90 to 100 cm).   E. H. Krelage & Zoon (1910).

6 favorite votes.  

Hybrid lactiflora.  Cream.  Mild fragrance.  Double bloom form.  Midseason.  Height of up to 34" (up to 85 cm).   William Henry Krekler (1993).

6 favorite votes.  

Hybrid lactiflora.  Pink, lighter edges.  Mild, sweet fragrance.  Double, flat bloom form.   Victor Lemoine & Sons (1928).

6 favorite votes.  

Hybrid / Species crosses.  Yellow.  Double bloom form.  Very early.  Height of 30" to 3' (75 to 90 cm).   Chris Laning (1978).

6 favorite votes.  

Hybrid lactiflora.  Rose-pink, ages to lighter .  Mild fragrance.  Medium to large, single bloom form.  Early.  Height of up to 30" (up to 75 cm).   Roy G. Klehm (1995).

6 favorite votes.  

Hybrid / Species crosses.  Pink.  Semi-double bloom form.  USDA zone 2a and warmer.   Prof. Arthur Percy Saunders (1939).

6 favorite votes.