Herbaceous species.  Red.  Single bloom form.  

Herbaceous species.  

Hybrid suffruticosa, Tree peony.  

Hybrid suffruticosa, Tree peony.  Blush or light pink.  Single to semi-double bloom form.  

Mini-Flora.  Rose-pink.  None to mild, old rose, opinions vary fragrance.  Medium to large, double (17-25 petals), classic hybrid tea, exhibition, high-centered bloom form.  Prolific, continuous (perpetual) bloom throughout the season.  
Width: 24" to 4' (60 to 120cm).

Grandiflora.  Yellow.  Mild, sweet fragrance.  Medium, very full (41+ petals), borne mostly solitary, rosette bloom form.  Blooms in flushes throughout the season.  
Height: 35" to 42" (90 to 105cm).  Width: up to 31" (up to 80cm).

Hybrid suffruticosa, Tree peony.  Light pink.  

Hybrid suffruticosa, Tree peony.  Purple.  Very double bloom form.  

Hybrid suffruticosa, Tree peony.  Red.  Very large, very double bloom form.  

Hybrid suffruticosa, Tree peony.  Red.  Single to semi-double bloom form.  

Hybrid suffruticosa, Tree peony.  

Hybrid suffruticosa, Tree peony.  Purple.  

Hybrid suffruticosa, Tree peony.  

Hybrid suffruticosa, Tree peony.  

Hybrid suffruticosa, Tree peony.  Red.  Very double bloom form.  

Hybrid suffruticosa, Tree peony.  Violet.  Very large, very double bloom form.  

Hybrid suffruticosa, Tree peony.  

Floribunda.  Light yellow.  Single (4-8 petals), in small clusters bloom form.  

Shrub.  Yellow, golden-yellow undertones, ages to lighter .  None / no fragrance.  Medium, very double, in small clusters bloom form.  
Height: 20" to 24" (50 to 60cm).  Width: 24" to 32" (60 to 80cm).

Hybrid suffruticosa, Tree peony.  White.  Double bloom form.