Hybrid lactiflora.  White, lilac shading, yellow center.  Single, Japanese (anemone, imperial) bloom form.  Early-to-mid.  USDA zone 2a and warmer.  Height of up to 32" (up to 80 cm).   Max Josef Goos (1912), August Koenemann (1912).

3 favorite votes.  

Hybrid / Species crosses.  Dark brown.  Double bloom form.  Early-to-mid.  USDA zone 2a and warmer.  Height of 28" (70 cm).   Arthur L. Murawska (1968).

3 favorite votes.  

Hybrid / Species crosses.  Red.  Semi-double bloom form.  Early-to-mid.  USDA zone 2a and warmer.  Height of 33" (85 cm).   Prof. Arthur Percy Saunders (1944).

3 favorite votes.  

Hybrid Lutea, Tree peony.  Dark red, darker center.  Moderate fragrance.  Single to semi-double bloom form.  Mid.  USDA zone 2a and warmer.  Height of 4' to 5' (120 to 150 cm).   Nassos Daphnis (1974).

3 favorite votes.  

Hybrid lactiflora.  Light pink, lilac shading, rose-pink outer petals.  Strong fragrance.  Double, bomb bloom form.  Late.  
Height: up to 33" (up to 85cm).   Kelway (and Son) (1899).

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.  Deep pink, lilac shading.  8-10 broad guard petals; center petals narrower and curly.  Mild, rose fragrance.  Large, very double, bomb bloom form.  Early.  
Height: 33" to 37" (85 to 95cm).   Philippe-Victor Verdier (1854).

3 favorite votes.  

Hybrid lactiflora.   Walter L. Gumm (1923).

3 favorite votes.  

Hybrid / Species crosses.  Deep pink, yellow center.  Cherry-pink.  Medium, single to semi-double bloom form.   Prof. Arthur Percy Saunders (1924).

3 favorite votes.  

Hybrid lactiflora.  Dark red.  Petaloids edged gold.  Japanese (anemone, imperial) bloom form.   Edward Auten, Jr. (1931).

3 favorite votes.  

Hybrid lactiflora.  Dark red.  Single bloom form.   Edward Auten, Jr. (1931).

3 favorite votes.  

Hybrid suffruticosa.   Adrien Sénéclauze (1867).

3 favorite votes.  

Hybrid suffruticosa.  Cherry-red.  None / no fragrance.  Medium, single, cupped bloom form.  Very early.  Height of 47" to 4' 11" (120 to 150 cm).   Michel Rivière (1985).

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 suffruticosa, Tree peony.  White.  Very large, semi-double bloom form.  USDA zone 2a and warmer.   Louis Smirnow.

3 favorite votes.  

Hybrid lactiflora.  Dark red, purple shading.  Large, double bloom form.  Mid-to-late.  USDA zone 2a and warmer.  Height of 31" to 39" (80 to 100 cm).   Unknown breeder (1937).

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 lactiflora.  Ruby-red.  None to mild fragrance.  Medium, semi-double to double bloom form.  Midseason.  Height of up to 32" (up to 80 cm).   Krasnova / Краснова (1967).

3 favorite votes.  

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

3 favorite votes.  

Tree peony.  Peach - red, dark purple flecks.  Mild fragrance.  Medium, semi-double bloom form.  Early.  USDA zone 6b and warmer.   Unknown Chinese Breeder(s).

3 favorite votes.