Hybrid lactiflora.  Dark red.  Double, bomb bloom form.  Very early.  USDA zone 2a and warmer.   Edward Auten, Jr. (1956).

3 favorite votes.  

Hybrid lactiflora.  Light pink, light yellow center, ages to white .  None / no fragrance.  Japanese (anemone, imperial) bloom form.  Midseason.  USDA zone 2a and warmer.  Height of up to 3' (up to 90 cm).   Walter Marx (1965).

3 favorite votes.  

Hybrid suffruticosa.   Modeste Guérin (1860).

3 favorite votes.  

Hybrid lactiflora.   Hans Peter Sass (1952).

3 favorite votes.  

Hybrid lactiflora.  Dark red.  Large, Japanese (anemone, imperial) bloom form.   Edward Auten, Jr. (1955).

3 favorite votes.  

Hybrid lactiflora.  Light pink, cream undertones.  Moderate fragrance.  Large, double, bomb, rose bloom form.  Early.  USDA zone 2a and warmer.  Height of 26" to 31" (65 to 80 cm).   Carl G. Klehm (1963).

3 favorite votes.  

Hybrid lactiflora.  Pink.  Japanese (anemone, imperial) bloom form.  USDA zone 2a and warmer.   Hans Peter Sass (1930).

3 favorite votes.  

Hybrid lactiflora.   Walter L. Gumm (1923).

3 favorite votes.  

Hybrid lactiflora.  Red, ages to rose-red .  Staminoids edged golden yellow.  Japanese (anemone, imperial) bloom form.  Late midseason.  USDA zone 2a and warmer.  Height of up to 32" (up to 80 cm).   Edward J. Gardner (1951).

3 favorite votes.  

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

3 favorite votes.  

Intersectional Hybrid / Itoh.  Pink, lavender shading, dark purple flares.  Small, semi-double, cupped bloom form.  Prolific, Midseason.  USDA zone 2a and warmer.  
Height: up to 20" (up to 50cm).   Roger F. Anderson (1985).

3 favorite votes.  

Hybrid / Species crosses.  Salmon-orange, light pink reverse.  Small, single bloom form.  USDA zone 2a and warmer.  Height of up to 2' (up to 60 cm).   Prof. Arthur Percy Saunders (1938).

3 favorite votes.  

Hybrid suffruticosa.   Adrien Sénéclauze (1867).

3 favorite votes.  

Hybrid Lutea.  Cream, red shading.  Mild fragrance.  Single bloom form.  USDA zone 4a and warmer.  Height of up to 3' (up to 90 cm).  Width of up to 40" (up to 100 cm). William J. Seidl (1985).

3 favorite votes.  

Hybrid lactiflora.  Rose-pink, silver(y) edges, cream center, darker shading.  Light pink bonnet.  Very large, full bloom form.  Midseason.   Auguste Joseph Miellez (1856).

3 favorite votes.  

Hybrid lactiflora.  Rose-pink.  Large, semi-double bloom form.  Mid-to-late.  USDA zone 2a and warmer.  Height of 22" to 32" (55 to 80 cm).   William Henry Krekler (1965).

3 favorite votes.  

Hybrid / Species crosses.  Pink.  Single, cupped bloom form.  Early.  USDA zone 2a and warmer.  Height of 18" to 20" (45 to 50 cm).   Don Hollingsworth (1991).

3 favorite votes.  

Hybrid lactiflora.  Light pink, yellow center, ages to white .  Medium, Japanese (anemone, imperial) bloom form.  Prolific, Late midseason.  USDA zone 2a and warmer.  
Height: up to 35" (up to 90cm).   Myron D. Bigger (1949).

3 favorite votes.  

Hybrid suffruticosa, Tree peony.  Purple, black flares, yellow center.  None to mild fragrance.  Medium to large, single bloom form.  
Height: up to 5'11" (up to 180cm).   Philipp Von Siebold (1855).

3 favorite votes.  

Hybrid suffruticosa.  

3 favorite votes.  

Hybrid / Species crosses.  Carmine-red, mauve shading.  Large, single bloom form.  Very early.   Victor Lemoine (1910).

3 favorite votes.  

Hybrid Lutea.  Red, brown shading.  Single bloom form.   William J. Seidl (2011).

3 favorite votes.  

Hybrid lactiflora.  Carmine-red or crimson, buff center.  Strong fragrance.  Large, Japanese (anemone, imperial) bloom form.  Midseason.  USDA zone 2a and warmer.  
Height: up to 2' (up to 60cm).   Unknown Japanese Breeder(s) (1909).

3 favorite votes.  

Hybrid suffruticosa.  Carmine-red, purple mottling.  Dark red disk.  Semi-double bloom form.   Philipp Von Siebold (1844).

3 favorite votes.