Hybrid rockii, Tree peony.  Orchid-pink, white center, maroon flares.  Ring of yellow-orange stamens in center.  Single to semi-double, lotus bloom form.  

Hybrid rockii, Tree peony.  Plum color, white center, black flares.  Gold stamens in center.  Single to semi-double, rose, ruffled bloom form.  Midseason.  

Hybrid rockii, Tree peony.  Crimson or maroon, black flares.  Ring of golden stamens in center.  Single to semi-double, lotus bloom form.  Early.  

Hybrid rockii, Tree peony.  Lavender or lilac-pink, violet-red flares.  Ring of golden stamens in center.  Single to semi-double, lotus bloom form.  Early.  

Hybrid rockii, Tree peony.  White, violet-red flares.  White lines radiating from center bisect flares.  Single to semi-double bloom form.  

Hybrid rockii, Tree peony.  White, violet-red flares.  Gold stamens.  Semi-double to double, ruffled bloom form.  Early.  

Hybrid rockii, Tree peony.  White, violet flares.  Ring of gold stamens in center; narrow inner petals.  Double bloom form.  Midseason.  

Hybrid rockii, Tree peony.  White, crimson flares.  Ring of gold stamens in center; notched petals.  Single to semi-double, lotus bloom form.  Late.  

Shrub.  Light pink.  Mild fragrance.  Full (26-40 petals) bloom form.  Blooms in flushes throughout the season.  
Height: 6" to 8" (15 to 20cm).  Width: 4' to 6' (120 to 185cm).

Hybrid lactiflora.  Rose-pink or lilac-pink, lighter center, silver(y) edges, ages to lighter .  Flower form is variable.  Mild, sweet fragrance.  Medium, full, cupped bloom form.  Midseason.  
Height: up to 3' (up to 90cm).  

Hybrid rockii, Tree peony.  White, violet-red flares.  Ring of gold stamens in center.  Mild to strong, sweet fragrance.  Large, semi-double, cupped, ruffled bloom form.  Prolific, Early.  
Height: up to 42" (up to 105cm).  Width: up to 4' (up to 120cm).

Hybrid rockii, Tree peony.  Lilac-pink or mauve, violet-red flares.  Golden stamens.  Semi-double to double bloom form.  

Intersectional Hybrid / Itoh.  Coral-red.  Golden stamens.  Mild to strong fragrance.  Medium to large, semi-double to double, ruffled bloom form.  Mid-to-late.  

Fernleaf Hybrid, Species.  White or cream.  Golden stamens.  Single, cupped bloom form.  
Height: 1' to 16" (30 to 40cm).  

Hybrid Lutea, Tree peony.  Yellow, orange center.  Ring of gold stamens in center.  Semi-double to double, ruffled bloom form.  Midseason.  
Height: up to 5' (up to 150cm).  Width: up to 5' (up to 150cm).

Hybrid rockii, Tree peony.  White, violet-red flares.  Strong fragrance.  Medium to large, very double, ruffled bloom form.  
Height: up to 5' (up to 150cm).  

Hybrid suffruticosa, Tree peony.  Lavender or lilac-pink.  Some stamens among center petals.  Strong, sweet fragrance.  Medium to large, very double, hundred petal bloom form.  
Height: 4' to 5' (120 to 150cm).  

Hybrid rockii, Tree peony.  White, violet-red flares.  Mild to strong fragrance.  Medium to large, semi-double to double, Japanese (anemone, imperial) bloom form.  Prolific, Midseason.  
Height: up to 5½' (up to 165cm).  

Hybrid rockii, Tree peony.  Lilac-pink, lighter outer petals, dark purple flares.  Very large, very double, ruffled bloom form.  

Hybrid rockii, Tree peony.  Fuchsia / magenta or rose-red, dark purple flares.  Gold stamens; notched petals.  Medium to large, semi-double to double, lotus bloom form.  
Height: up to 5' (up to 150cm).  Width: up to 6' (up to 185cm).