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.  Scarlet.  Double, bomb bloom form.  Early.  Height of 2' to 3' (60 to 90 cm).   Albert Niva (1999).

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 rockii.  White, purple flares.  Moderate fragrance.  Medium, double bloom form.  Early.   Chen Dezhong (1992).

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

4 favorite votes.  

Hybrid suffruticosa, Tree peony.  Deep pink.  Medium, full, crown bloom form.  Midseason.  USDA zone 2a and warmer.   Unknown Chinese Breeder(s) (1983).

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 lactiflora.  Light pink, lavender shading.  None to mild fragrance.  Medium to large, double bloom form.  Late.  Height of up to 28" (up to 70 cm).   Roy G. Klehm (1995).

4 favorite votes.  

Intersectional Hybrid / Itoh.  Yellow, red flares.  Large, double bloom form.  Midseason.   Toichi Itoh (1954).

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.  Light pink.  Moderate fragrance.  Medium, semi-double, cupped bloom form.  Midseason.  Height of up to 2' (up to 60 cm).   Roy G. Klehm (1979).

4 favorite votes.  

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

4 favorite votes.  

Hybrid lactiflora.  Pink, lavender shading.  Double, cupped bloom form.  Mid-to-late.  Height of up to 35" (up to 90 cm).   Unknown Chinese Breeder(s).

4 favorite votes.  

Hybrid lactiflora.   Berneche (1932).

4 favorite votes.  

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

4 favorite votes.  

Hybrid lactiflora.  White and green.  Cactus dahlia form. Fluted and twisted petals.  Single bloom form.  Midseason.  Height of up to 26" (up to 65 cm).   William Henry Krekler (1980).

4 favorite votes.  

Hybrid suffruticosa, Tree peony.  White.  Medium, semi-double to double bloom form.  Early.  USDA zone 6b and warmer.   Unknown Japanese Breeder(s) (1919).

4 favorite votes.  

Hybrid lactiflora.  Cream, salmon-pink shading, pink outer petals.  Full, bomb bloom form.  Early.  Height of 30" to 40" (75 to 100 cm).   Eugene H. Lins (1962).

4 favorite votes.