Hybrid / Species crosses.  Crimson.  Semi-double bloom form.  Early-to-mid.  USDA zone 2a and warmer.  Height of up to 2' (up to 60 cm).   Prof. Arthur Percy Saunders (1941).

6 favorite votes.  

Hybrid lactiflora.  Light pink, light yellow undertones.  Moderate fragrance.  Double bloom form.  Late.  Height of up to 2' (up to 60 cm).   Unknown New Zealand Breeder(s).

6 favorite votes.  

Hybrid / Species crosses.  Buff, lavender flares.  Mild fragrance.  Medium, single bloom form.  Early.  USDA zone 2a and warmer.  Height of up to 32" (up to 80 cm).   Prof. Arthur Percy Saunders (1949).

6 favorite votes.  

Hybrid suffruticosa, Tree peony.  White.  Double, Japanese (anemone, imperial) bloom form.  Mid.  USDA zone 2a and warmer.   Unknown Chinese Breeder(s).

6 favorite votes.  

Hybrid lactiflora.  Red.  Height of up to 42" (up to 105 cm).   William Henry Krekler (1979).

6 favorite votes.  

Hybrid lactiflora.  White.  Large, double, bomb bloom form.  Midseason.   Col. Jesse C. Nicholls (1954).

6 favorite votes.  

Hybrid lactiflora.  White, yellow center.  Large, cupped, Japanese (anemone, imperial), ruffled bloom form.  Late.  Height of 42" (105 cm).   Charles F. Wassenberg (1954).

6 favorite votes.  

Hybrid suffruticosa.  Light pink, purple flares, ages to white .  Large, double, bomb bloom form.  Midseason.   Unknown Chinese Breeder(s).

6 favorite votes.  

Hybrid lactiflora.   Julian L. Janus.

6 favorite votes.  

Hybrid suffruticosa.  Light pink, purple flares.  Large, semi-double bloom form.  USDA zone 2a and warmer.   Unknown Japanese Breeder(s) (1919).

6 favorite votes.  

Hybrid suffruticosa, Tree peony.  Dark purple, black flares.  Strong fragrance.  Medium, full, crown bloom form.  Midseason.  USDA zone 2a and warmer.   Unknown Chinese Breeder(s) (1973).

6 favorite votes.  

Hybrid suffruticosa, Tree peony.  Pink, darker center, lighter edges.  Very large, double bloom form.  Midseason.   Michel Rivière (1992).

6 favorite votes.  

Hybrid lactiflora.  White, light yellow center.  Large, Japanese (anemone, imperial) bloom form.  Midseason.  USDA zone 2a and warmer.   Dr. John H. Neeley (1930).

6 favorite votes.  

Hybrid / Species crosses.  Orange-pink, ages to apricot .  Strong, spicy, sweet fragrance.  Medium, double, bomb bloom form.  Midseason.  Height of up to 26" (up to 65 cm).   Don Hollingsworth (1980).

6 favorite votes.  

Hybrid suffruticosa, Tree peony.  Red, purple highlights.  Medium to large, double, hundred petal bloom form.  Midseason.  USDA zone 2a and warmer.   Unknown Chinese Breeder(s) (1968).

6 favorite votes.  

Hybrid lactiflora.   Pfeiffer Nursery (1932).

6 favorite votes.  

Hybrid lactiflora.   Darwin M. Andrews (1923).

6 favorite votes.  

Hybrid lactiflora.  Pink, yellow undertones, ages to lighter .  Medium, bomb, cupped bloom form.  Early-to-mid.  Height of up to 30" (up to 75 cm).   Robert William Tischler (2000).

6 favorite votes.  

Hybrid lactiflora.  Rose-red.  Strong fragrance.  Double, flat bloom form.  Late.  USDA zone 2a and warmer.  Height of 30" to 3' (75 to 90 cm).   Walter Marx (1965).

6 favorite votes.  

Hybrid / Species crosses.  Light pink, white stripes, pink stripes.  Double bloom form.  Early.   Unknown (1856).

6 favorite votes.  

Hybrid lactiflora.  Light pink to rose-pink, ages to white .  Mild fragrance.  Very large, full, crown bloom form.  Prolific, Early.  USDA zone 2a and warmer.   Jacques Calot (1867).

6 favorite votes.  

Herbaceous species, Species.  Red to purple.  Medium, single bloom form.  Very early.  USDA zone 2a and warmer.  Height of 18" to 28" (45 to 70 cm).   Peter Simon Pallas (1785).

6 favorite votes.  

Hybrid lactiflora.  Scarlet to dark red.  Double, rose bloom form.  Midseason.  USDA zone 6b through 9b (default).   W. Warnaar (1905).

6 favorite votes.  

Hybrid suffruticosa.  Pink, lilac highlights.  White disk.  Single bloom form.   Philipp Von Siebold (1867).

6 favorite votes.