Hybrid lactiflora.  Red.  Large, very double bloom form.  Midseason.  USDA zone 2a and warmer.   Gilbert H. Wild & Son (1964).

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 lactiflora.  Red.  Semi-double bloom form.  USDA zone 2a and warmer.   Walter Z. Mains (1956).

4 favorite votes.  

Hybrid lactiflora.  Rose-pink, violet shading.  Mild fragrance.  Large, full, rose bloom form.  Late.  USDA zone 2a and warmer.   François-Félix Crousse (1840-1925) (1895).

4 favorite votes.  

Hybrid Lutea.  White, purple flares.  Mild fragrance.  Single bloom form.  Late midseason.  Height of up to 44" (up to 110 cm).   David Reath (1976).

4 favorite votes.  

Hybrid suffruticosa.   Unknown Japanese Breeder(s) (1897).

4 favorite votes.  

Hybrid suffruticosa, Tree peony.  Light pink, dark red flares.  Large, semi-double, cupped bloom form.  Early.  Height of up to 4' 11" (up to 150 cm).   John W. & Dot M. McFarlane (1991).

4 favorite votes.  

Hybrid suffruticosa.  Carmine-red.  Dark purple disk.  Single bloom form.   Philipp Von Siebold (1844).

4 favorite votes.  

Hybrid lactiflora.  Light pink, ages to white .  Blush.  Moderate, rose fragrance.  Double bloom form.  Height of up to 25" (up to 65 cm).   Edward Auten, Jr. (1935).

4 favorite votes.  

Hybrid suffruticosa.  White, pink shading, purple flares.  Medium, full bloom form.   Charles His (1842).

4 favorite votes.  

Intersectional Hybrid / Itoh.  Golden-yellow, deep pink outer petals.  Small to medium bloom form.  Midseason.  Height of 2' to 26" (60 to 65 cm).   Roger Anderson (1991).

4 favorite votes.  

Intersectional Hybrid / Itoh.  Apricot, yellow shading, pink outer petals, red undertones.  Semi-double to double bloom form.  Height of 26" to 28" (65 to 70 cm).   Roger Anderson (1992).

4 favorite votes.  

Hybrid lactiflora.   Edward Auten, Jr. (1955).

4 favorite votes.  

Hybrid suffruticosa.  White or light pink, light pink highlights, dark purple flares.  Yellowish light pink disk.  Single to semi-double bloom form.   Philipp Von Siebold (1844).

4 favorite votes.  

Hybrid / Species crosses.  Deep pink, silver(y) edges.  None / no fragrance.  Double, flat bloom form.  Midseason.  Height of up to 3' (up to 90 cm).   Lyman D. Glasscock (1973).

4 favorite votes.  

Hybrid suffruticosa, Tree peony.  Rose-pink, lilac shading, purple flares.  Mild, rose fragrance.  Very large, semi-double to double bloom form.  Height of up to 8' (up to 245 cm).  Width of up to 10' (up to 305 cm). Unknown Chinese Breeder(s) (1789).

4 favorite votes.  

Herbaceous species, Species.  Pink.  Small to medium, single to semi-double bloom form.  Very early.  Height of 18" (45 cm).  

4 favorite votes.  

Hybrid lactiflora.  Deep pink.  Double bloom form.  Late midseason.   Hans Peter Sass (1937).

4 favorite votes.  

Hybrid lactiflora.   E. H. Krelage & Zoon (1919).

4 favorite votes.  

Hybrid suffruticosa.  Rose-pink.  None / no fragrance.  Semi-double bloom form.  Early.  Height of 3' to 4' (90 to 120 cm).   Roy G. Klehm (1987).

4 favorite votes.  

Hybrid suffruticosa, Tree peony.  Coral-pink, light pink edges, dark purple flares.  Mild fragrance.  Medium, very double, crown bloom form.  Midseason.  USDA zone 2a and warmer.   Unknown Chinese Breeder(s) (1970).

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 suffruticosa.  Red.  Medium, single to semi-double bloom form.  Repeats.   Unknown Japanese Breeder(s) (1940).

4 favorite votes.  

Hybrid lactiflora.   Alonzo B. Franklin (1933).

4 favorite votes.