Hybrid / Species crosses.  Coral-pink.  Mild fragrance.  Large, single bloom form.  Early.  Height of 26" to 32" (65 to 80 cm).   William Henry Krekler (1978).

7 favorite votes.  

Hybrid lactiflora.  Crimson - purple.  Moderate fragrance.  Very full bloom form.  Height of up to 3' (up to 90 cm).   Louis-Joseph-Ghislain Parmentier (1850).

7 favorite votes.  

Hybrid lactiflora.  White, cream undertones.  Moderate fragrance.  Double, bomb bloom form.  Midseason.  USDA zone 2a and warmer.  Height of up to 30" (up to 75 cm).   Carl G. Klehm (1957).

7 favorite votes.  

Hybrid lactiflora.   Julian L. Janus.

7 favorite votes.  

Hybrid suffruticosa.  Purple.  Large bloom form.  Height of 26" to 28" (65 to 70 cm).   Roger F. Anderson (1992).

7 favorite votes.  

Hybrid lactiflora.  Pink, ages to white .  None / no fragrance.  Single bloom form.  Midseason.  USDA zone 2a and warmer.  Height of up to 39" (up to 100 cm).   Auguste Dessert (1905).

7 favorite votes.  

Hybrid lactiflora.  Red.  Staminoids tipped yellow.  Single bloom form.  Late.  Height of up to 32" (up to 80 cm).   Kelway (and Son).

7 favorite votes.  

Hybrid lactiflora.  Light pink.  None / no fragrance.  Large, double bloom form.  Late.  Height of up to 28" (up to 70 cm).   Ben Gilbertson (1970).

7 favorite votes.  

Tree peony.  Red, ages to purple.  Early.  USDA zone 2a and warmer.   Unknown Chinese Breeder(s).

7 favorite votes.  

Hybrid / Species crosses.  Crimson.  Mild fragrance.  Small, single bloom form.  Very early.  USDA zone 2a and warmer.  
Height: 20" to 22" (50 to 55cm).   Prof. Arthur Percy Saunders (1951).

7 favorite votes.  

Hybrid lactiflora.  Red.  Large, double bloom form.  Midseason.  Height of up to 28" (up to 70 cm).   Arthur L. Murawska (1959).

7 favorite votes.  

Hybrid lactiflora.  Clear shell pink with occasional crimson edges to outer petals.  Strong, sweet fragrance.  Very large, double, cupped bloom form.  Late midseason.  Height of up to 32" (up to 80 cm).   George C. Thurlow (1919).

7 favorite votes.  

Hybrid lactiflora.  Dark red.  Garnet-red.  Double bloom form.   Myron D. Bigger (1947).

7 favorite votes.  

Hybrid / Species crosses.  White, green undertones.  Double, ruffled bloom form.  Midseason.  Height of 30" to 3' (75 to 90 cm).   E.L. "Roy" Pehrson (1975).

7 favorite votes.  

Hybrid lactiflora.  Cream white, center straw yellow.  Very large, double, cupped, rose bloom form.  USDA zone 2a and warmer.   Victor Lemoine & Sons (1916).

7 favorite votes.  

Hybrid lactiflora.  White, lilac shading, amber center.  Mild, medicinal fragrance.  Medium, Japanese (anemone, imperial) bloom form.  Early-to-mid.  USDA zone 2a and warmer.   Kelway (and Son) (1900).

7 favorite votes.  

Intersectional Hybrid / Itoh.  Yellow, red stripes.  Semi-double to double bloom form.  Height of 26" to 29" (65 to 75 cm).   Roger F. Anderson (1989).

7 favorite votes.  

Hybrid lactiflora.  Light pink, cream center.  Large, double bloom form.  Late midseason.   William Henry Krekler (1958).

7 favorite votes.  

Intersectional Hybrid / Itoh.  Cream to peach, red flares.  Yellow stamens.  Single, cupped bloom form.  
Height: up to 34" (up to 85cm).   William J. Seidl (2009).

7 favorite votes.  

Hybrid lactiflora.  Carmine-pink, pink center.  Staminoids edged and tipped yellow.  Large, Japanese (anemone, imperial) bloom form.  Midseason.  Height of up to 43" (up to 110 cm).   Col. Jesse C. Nicholls (1941).

7 favorite votes.  

Hybrid lactiflora.  Red, purple shading, darker center.  Mild fragrance.  Medium, full, bomb bloom form.  Late.  USDA zone 3b through 9b.  Height of 2' to 4' (60 to 120 cm).   Unknown Chinese Breeder(s).

7 favorite votes.  

Hybrid suffruticosa, Tree peony.  Pink.  Cherry-pink.  Very large, double, ruffled bloom form.  USDA zone 2a and warmer.   Unknown Japanese Breeder(s) (1931).

7 favorite votes.  

Hybrid lactiflora.  Deep mulberry, silver(y) edges.  Crown bloom form.  Late midseason.   Edward Auten, Jr. (1941).

7 favorite votes.  

Hybrid lactiflora.  Light pink, ages to cream .  Medium, double bloom form.  Midseason.  

7 favorite votes.