Hybrid / Species crosses.  Red, light yellow center.  None / no fragrance.  Large, single bloom form.  Early-to-mid.  Height of up to 3' (up to 90 cm).   Don Hollingsworth (1980).

8 favorite votes.  

Hybrid lactiflora.  White.  Very double, bomb bloom form.  Prolific.   Mr. and Mrs. John M. Lewis (1926).

8 favorite votes.  

Hybrid suffruticosa.  Pink.   Unknown Japanese Breeder(s) (1932).

8 favorite votes.  

Hybrid / Species crosses.  Light pink, yellow center.  Moderate fragrance.  Single, Japanese (anemone, imperial) bloom form.  Midseason.  Height of up to 30" (up to 75 cm).   Don Hollingsworth (1980).

8 favorite votes.  

Hybrid suffruticosa, Tree peony.  Deep pink, purple flares.  Mild fragrance.  Medium, semi-double, rose bloom form.  Midseason.  USDA zone 2a and warmer.  Height of 5' to 7' (150 to 215 cm).  Width of 3' (90 cm). Unknown Chinese Breeder(s) (1969).

8 favorite votes.  

Hybrid / Species crosses.  Lemon-yellow.  Semi-double to double bloom form.  Midseason.  Height of up to 32" (up to 80 cm).   David Reath (1980).

8 favorite votes.  

Hybrid lactiflora.  Pink, ages to cream.  Moderate fragrance.  Large, double bloom form.  Late.  USDA zone 6b and warmer.  Height of up to 39" (up to 100 cm).   G. H. Kersbergen (1910).

8 favorite votes.  

Hybrid lactiflora.  Rose-pink, cream center.  Moderate fragrance.  Double bloom form.  Midseason.  USDA zone 2a and warmer.  Height of up to 35" (up to 90 cm).   Jacques Calot (1856).

7 favorite votes.  

Hybrid lactiflora.  Light pink, lavender shading, darker center.  Opens well.  Mild to strong, rose fragrance.  Large, double bloom form.  Late.  USDA zone 2a and warmer.   Edward Auten, Jr. (1933).

7 favorite votes.  

Hybrid suffruticosa.   Auguste Dessert (1902).

7 favorite votes.  

Hybrid lactiflora.  Dark red.  Single bloom form.  Midseason.   Berneche (1924).

7 favorite votes.  

Hybrid / Species crosses.   Julian L. Janus.

7 favorite votes.  

Hybrid lactiflora.   Berneche (1924).

7 favorite votes.  

Hybrid suffruticosa.  Cream, light pink shading.  Double bloom form.  Midseason.   Sir Peter Smithers (2006).

7 favorite votes.  

Hybrid suffruticosa, Tree peony.  Blush pink, salmon-pink highlights.  Very large, full, bomb bloom form.  Early.   Adrien Sénéclauze (1889).

7 favorite votes.  

Hybrid lactiflora.  Pink, silver(y) edges.  Large, single, cupped bloom form.  Mid-to-late.  USDA zone 2a and warmer.  
Height: up to 43" (up to 110cm).   Auguste Dessert (1902).

7 favorite votes.  

Hybrid lactiflora.   Walter J. Guille.

7 favorite votes.  

Hybrid lactiflora.  Deep pink to red, lilac highlights, butter-yellow edges.  Very large, Japanese (anemone, imperial) bloom form.  Midseason.  Height of up to 47" (up to 120 cm).   Michel Rivière (1988).

7 favorite votes.  

Hybrid lactiflora.   Berneche.

7 favorite votes.  

Hybrid lactiflora.  Crimson, yellow center.  Medicinal fragrance.  Medium, Japanese (anemone, imperial) bloom form.  Midseason.  USDA zone 2a and warmer.  Height of up to 43" (up to 110 cm).   Unknown Japanese Breeder(s) (1893).

7 favorite votes.  

Hybrid suffruticosa.  Carmine-red.  Mild, rose fragrance.  Large, double, crown bloom form.   Charles His (1832).

7 favorite votes.  

Hybrid suffruticosa.  Rose-pink or light pink, lilac shading.  Strong fragrance.  Very large, semi-double to double, flat bloom form.  Early.  
Height: up to 6'7" (up to 200cm).   Unknown Chinese Breeder(s) (1794).

7 favorite votes.  

Hybrid suffruticosa.  Purple.  Medium, double, lotus bloom form.   Charles His (1851).

7 favorite votes.  

Hybrid lactiflora.   Darwin M. Andrews (1925).

7 favorite votes.