Hybrid lactiflora.  White, cream shading.  Large, double bloom form.  Late.  USDA zone 2a and warmer.   Victor Lemoine & Sons (1933).

4 favorite votes.  

Intersectional Hybrid / Itoh.  Dark red.  Mild fragrance.  Small to medium, semi-double bloom form.  Midseason.  Height of 30" to 32" (75 to 80 cm).   Roger F. Anderson (2002).

4 favorite votes.  

Hybrid Lutea, Tree peony.  Cream to light yellow, rose-pink edges, rose-pink shading.  Single to semi-double bloom form.  USDA zone 2a and warmer.  Height of 30" (75 cm).   Prof. Arthur Percy Saunders (1942).

4 favorite votes.  

Hybrid lactiflora.   Edward Auten, Jr. (1929).

4 favorite votes.  

Hybrid lactiflora.   Lyman D. Glasscock (1929).

4 favorite votes.  

Hybrid / Species crosses.  White.  Moderate fragrance.  Single bloom form.  Height of up to 20" (up to 50 cm).   Eivind Hansen (2009).

4 favorite votes.  

Hybrid suffruticosa.  Purple.  Single bloom form.   Unknown Chinese Breeder(s).

4 favorite votes.  

Hybrid lactiflora.  Red.  Double bloom form.  Midseason.   Arthur L. Murawska (1946).

4 favorite votes.  

Hybrid suffruticosa.  White and pink, purple blending.  Large, semi-double bloom form.  Height of up to 4' (up to 120 cm).   Roger F. Anderson (1992).

4 favorite votes.  

Hybrid lactiflora.  White, cream center.  Flat, Japanese (anemone, imperial) bloom form.  Midseason.   Edouard Doriat (1925).

4 favorite votes.  

Hybrid / Species crosses.  Red.  Medium to large, semi-double bloom form.  Early.  
Height: up to 3' (up to 90cm).   Prof. Arthur Percy Saunders.

4 favorite votes.  

William Henry Krekler.

4 favorite votes.  

Hybrid lactiflora.  Cherry-red or cerise.  Very double, rose bloom form.  Early.  USDA zone 2a and warmer.  
Height: up to 3' (up to 90cm).  

4 favorite votes.  

Hybrid lactiflora.   Darwin M. Andrews (1932).

4 favorite votes.  

Hybrid lactiflora.  Rose-pink, yellow center.  Medium, Japanese (anemone, imperial) bloom form.  Very early.  USDA zone 2a and warmer.  Height of 18" to 2' (45 to 60 cm).   Walter Marx (1968).

4 favorite votes.  

Hybrid lactiflora.   Darwin M. Andrews (1932).

4 favorite votes.  

Hybrid lactiflora.   Francis H. Allison (1931), Egbert Jerome Shaylor (1931).

4 favorite votes.  

Hybrid Lutea, Tree peony.  Light pink, darker center.  Semi-double bloom form.  Mid.  USDA zone 6b and warmer.  Height of 4' to 5' (120 to 150 cm).   Nassos Daphnis (1996).

4 favorite votes.  

Hybrid lactiflora.  

4 favorite votes.  Average rating: EXCELLENT.  

Intersectional Hybrid / Itoh.  Yellow, green shading, red flares.  Medium, semi-double bloom form.  Midseason.  USDA zone 2a and warmer.  Height of 26" to 30" (65 to 75 cm).   Don Hollingsworth (1992).

4 favorite votes.  

Hybrid suffruticosa, Tree peony.  Coral-pink, light pink edges, dark purple flares.  Mild fragrance.  Medium, very double, crown bloom form.  Midseason.  USDA zone 2a and warmer.   Unknown Chinese Breeder(s) (1970).

4 favorite votes.  

Hybrid lactiflora.   Edward Auten, Jr. (1938).

4 favorite votes.  

Hybrid lactiflora.   Hans Peter Sass (1932).

4 favorite votes.  

Hybrid suffruticosa, Tree peony.  Pink, blue highlights, red flares.  Mild fragrance.  Large, double, crown bloom form.  USDA zone 2a and warmer.   Unknown Chinese Breeder(s) (1971).

4 favorite votes.