Hybrid lactiflora.  White or cream.  Rose bloom form.  Prolific.   Alonzo B. Franklin (1920).

3 favorite votes.  

Hybrid lactiflora.  Pink.  Double bloom form.  Mid.  USDA zone 2a and warmer.   William Brown (1938).

3 favorite votes.  

Chinese, Tree peony.  Red.  Semi-double bloom form.  USDA zone 2a and warmer.   Unknown Chinese Breeder(s).

3 favorite votes.  

Hybrid lactiflora.  Pink, silver(y) highlights.  Double bloom form.  Early.  USDA zone 2a and warmer.  Height of up to 34" (up to 85 cm).   William Henry Krekler (1975).

3 favorite votes.  

Hybrid lactiflora.   Kelway (and Son).

3 favorite votes.  

Hybrid lactiflora.  Pink, lavender shading, white center.  White collar.  Double, cupped, rose bloom form.  Midseason.  USDA zone 2a and warmer.   Myron D. Bigger (1937).

3 favorite votes.  

Hybrid lactiflora.  Pink, darker shading.  Double, bomb bloom form.  

3 favorite votes.  

Hybrid lactiflora.  Rose-pink.  Medium, double bloom form.  Mid.  USDA zone 2a and warmer.  Height of up to 35" (up to 90 cm).   Col. Jesse C. Nicholls (1941).

3 favorite votes.  

Hybrid lactiflora.  Red.  Single bloom form.  Mid-to-late.  Height of up to 39" (up to 100 cm).   Millet & Son (1924).

3 favorite votes.  

Hybrid lactiflora.  White.  Mild fragrance.  Double bloom form.  Midseason.  Height of up to 30" (up to 75 cm).   McCrae (1993).

3 favorite votes.  

Hybrid lactiflora.   Kelway (and Son) (1916).

3 favorite votes.  

Hybrid / Species crosses.  White, golden-yellow center.  Moderate fragrance.  Single bloom form.  Midseason.  Height of up to 32" (up to 80 cm).   Hermann Krupke.

3 favorite votes.  

Hybrid / Species crosses.  Deep pink.  Small, semi-double to double bloom form.  Midseason.  Height of up to 32" (up to 80 cm).   Frank E. Moots (1962).

3 favorite votes.  

Hybrid Lutea, Tree peony.  Lilac, darker center.  Single bloom form.   Elwyn Chow (2005).

3 favorite votes.  

Hybrid suffruticosa.  Dark red.  Gold stamens.  Mild to strong fragrance.  Large, semi-double to double, rose, ruffled bloom form.  Midseason.  
Height: up to 5' (up to 150cm).  Width: up to 5' (up to 150cm). Unknown Chinese Breeder(s).

3 favorite votes.  

Hybrid lactiflora.  Deep pink.  Double bloom form.  Late.  Height of up to 39" (up to 100 cm).   Heinz Klose (1983).

3 favorite votes.  

Hybrid / Species crosses.  Salmon-pink, yellow center.  Medium, single bloom form.  Early-to-early mid.  USDA zone 2a and warmer.  Height of up to 32" (up to 80 cm).   Lyman D. Glasscock (1947).

3 favorite votes.  

Hybrid / Species crosses.  Cream, light pink shading.  Moderate fragrance.  Double bloom form.  Mid-to-late.  Height of up to 39" (up to 100 cm).   Unknown breeder.

3 favorite votes.  

Hybrid lactiflora.  Red.  Japanese (anemone, imperial) bloom form.  Midseason.   Edward Auten, Jr. (1961).

3 favorite votes.  

Hybrid lactiflora.  White, yellow center.  Moderate fragrance.  Medium, bomb, Japanese (anemone, imperial) bloom form.  Height of up to 40" (up to 100 cm).   Don Hollingsworth (2005).

3 favorite votes.  

Hybrid Lutea, Tree peony.   Elwyn Chow (2004).

3 favorite votes.  

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

3 favorite votes.  

Hybrid Lutea, Tree peony.  Apricot, ages to lemon-yellow.  Large, single bloom form.  Early.  USDA zone 2a and warmer.  Height of 3' (90 cm).  Width of 3' (90 cm). Nassos Daphnis (1947).

3 favorite votes.  

Hybrid lactiflora.  Fuchsia / magenta.  Double, cupped bloom form.  Mid-to-late.  USDA zone 2a and warmer.  Height of up to 32" (up to 80 cm).   Jacques Calot (1872).

3 favorite votes.