Hybrid rockii, Tree peony.  

Hybrid rockii, Tree peony.  

Hybrid rockii, Tree peony.  

Hybrid rockii, Tree peony.  

Shrub.  Yellow.  Strong fragrance.  Medium, very full (41+ petals), borne mostly solitary bloom form.  Prolific, continuous (perpetual) bloom throughout the season.  
Height: up to 35" (up to 90cm).  

Species, Tree peony.  

Tree peony.  Red.  Prominent gold stamens, notched petals.  Single to semi-double, cupped bloom form.  Mid-to-late.  
Height: up to 35" (up to 90cm).  

Hybrid / Species crosses.  Blush, ages to cream .  Prominent ring of gold stamens surrounding 5-6 light-green carpels; notched petals.  None / no fragrance.  Medium, single, cupped, ruffled bloom form.  
Height: up to 25" (up to 65cm).  

Hybrid lactiflora.  Lilac-pink or lavender.  Mild to strong fragrance.  Medium, double, cupped, ruffled bloom form.  
Height: up to 30" (up to 75cm).  

Hybrid rockii, Hybrid suffruticosa, Tree peony.  Light pink or rose-pink, violet-red flares.  Ring of golden stamens in center.  Large, single to semi-double, ruffled bloom form.  
Height: up to 4' (up to 120cm).  Width: up to 3' (up to 90cm).

Hybrid Lutea, Tree peony.  Rose-pink, maroon flares, cream undertones.  Golden stamens, crinkled, crepe-like petals.  Large, semi-double to double, ruffled bloom form.  
Height: up to 4' (up to 120cm).  

Hybrid / Species crosses.  Pink, lighter edges.  Large, very double, ruffled bloom form.  
Height: 28" to 30" (70 to 75cm).  

Hybrid Lutea, Tree peony.  

Hybrid Lutea, Tree peony.  Rose-red and orange-red.  Golden stamens, petals, notched and ruffled.  Medium, semi-double bloom form.  
Height: up to 34" (up to 85cm).  

Miscellaneous OGR.  Pink, darker center.  Small, semi-double (9-16 petals) bloom form.  Once-blooming spring or summer.  
Height: up to 9'10" (up to 300cm).  

Floribunda.  Apricot, pink shading.  Strong fragrance.  Large, double (17-25 petals), cupped, ruffled bloom form.  

Floribunda.  Pink.  Strong fragrance.  Very double, cupped bloom form.  

Shrub.  Light apricot, light yellow center.  Double (17-25 petals), cupped bloom form.  

Shrub.  Orange-pink.  Full (26-40 petals), cupped bloom form.  

Hybrid / Species crosses.  Carmine-pink.  Prominent yellow stamens.  None / no fragrance.  Medium to large, single to semi-double, ruffled bloom form.  Early-to-mid.  
Height: up to 30" (up to 75cm).