Hybrid lactiflora.  Crimson, green streaks, stripes, flecks.  Mild, medicinal fragrance.  Large, double, cupped bloom form.  Midseason.  USDA zone 2a and warmer.   John F. Rosenfield or Rosefield (1908).

4 favorite votes.  

Hybrid lactiflora.  Deep pink, yellow center.  Single bloom form.   Unknown breeder.

4 favorite votes.  

Hybrid suffruticosa.   Unknown Japanese Breeder(s) (1931).

4 favorite votes.  

Hybrid lactiflora.  Salmon-pink, shading.  Large, double bloom form.   George Hollis (1907).

4 favorite votes.  

Hybrid lactiflora.  Lilac - pink.   François-Félix Crousse (1840-1925) (1892).

4 favorite votes.  

Hybrid lactiflora.  Pink, silver(y) highlights.  Strong, sweet fragrance.  Large, double, flat bloom form.  Midseason.  USDA zone 2a and warmer.  Height of up to 26" (up to 65 cm).   William Henry Krekler (1958).

4 favorite votes.  

Hybrid / Species crosses.  Very dark glossy red with a few yellow markings.  Medium bloom form.   Edward Auten, Jr. (1946).

4 favorite votes.  

Hybrid lactiflora.  Light pink, cream undertones, ages to white .  Strong, medicinal fragrance.  Large, single to semi-double, cupped, lotus bloom form.  Prolific, midseason.  
Height: up to 35" (up to 90cm).   Philippe-Victor Verdier (1892).

4 favorite votes.  

Hybrid Lutea, Tree peony.  Yellow, dark red flares.  Moderate fragrance.  Single bloom form.  Midseason.  USDA zone 2a and warmer.   Prof. Arthur Percy Saunders (1938).

4 favorite votes.  

Hybrid lactiflora.   Jacques Calot (1856).

4 favorite votes.  

Hybrid lactiflora.   Darwin M. Andrews (1925).

4 favorite votes.  

Hybrid lactiflora.  Light pink.  Blush.  Double, rose bloom form.  Late.   Hans Peter Sass (1937).

4 favorite votes.  

Hybrid suffruticosa, Tree peony.  Light pink, dark red flares.  Large, semi-double, cupped bloom form.  Early.  Height of up to 4' 11" (up to 150 cm).   John W. & Dot M. McFarlane (1991).

4 favorite votes.  

Hybrid lactiflora.  Cream.  Large, single bloom form.   William Henry Krekler (1977).

4 favorite votes.  

Hybrid lactiflora.  Crimson.  Medium bloom form.  Early.   John F. Rosenfield or Rosefield (1916).

4 favorite votes.  

Hybrid lactiflora.  Cream, blush shading.  Double bloom form.  Late.  USDA zone 2a and warmer.   Ernest Flint Kelsey (1934).

4 favorite votes.  

Tree peony.  Red.  USDA zone 2a and warmer.  

4 favorite votes.  

Hybrid lactiflora.   John F. Rosenfield or Rosefield (1934).

4 favorite votes.  

Hybrid lactiflora.  Deep pink.  Light red.  Large, single bloom form.  Height of up to 3' (up to 90 cm).   William Henry Krekler (1978).

4 favorite votes.  

Hybrid / Species crosses.  Light pink, ages to lighter .  Large, semi-double bloom form.  Early-to-early mid.  Height of up to 40" (up to 100 cm).   William J. Seidl (2005).

4 favorite votes.  

Hybrid lactiflora.  White.  Mild to strong, rose fragrance.  Full bloom form.  Early.   Edward Auten, Jr. (1933).

4 favorite votes.  

Hybrid lactiflora.   Berneche (1932).

4 favorite votes.  

Hybrid lactiflora.  Lavender - pink.  Strong fragrance.  Large, Japanese (anemone, imperial) bloom form.  Mid.  USDA zone 2a and warmer.  Height of up to 32" (up to 80 cm).   William Henry Krekler (1965).

4 favorite votes.  

Hybrid suffruticosa.   Baumann frères / Gebrüder Baumann (1836).

4 favorite votes.