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).

Tree peony.  White.  Double bloom form.  

Hybrid rockii, Tree peony.  Dark red or crimson, purple shading, dark purple flares, silver(y) streaks, stripes, flecks.  Large, very double bloom form.  

Hybrid suffruticosa, Tree peony.  Carmine-pink or red.  Double, ruffled bloom form.  

Hybrid suffruticosa, Tree peony.  Violet-red or ruby-red.  Large, very double, crown bloom form.  

Hybrid suffruticosa, Tree peony.  Salmon-pink or coral-red.  Double, ruffled bloom form.  

Hybrid rockii, Tree peony.  Fuchsia / magenta or violet-red, dark purple flares.  Gold stamens.  Medium, very double bloom form.  

Hybrid rockii, Tree peony.  Purple or violet-red, black flares.  Semi-double, lotus, ruffled bloom form.  

Hybrid rockii, Tree peony.  Purple, dark purple flares.  Large, very double, ruffled bloom form.  

Hybrid rockii, Tree peony.  Violet-red, dark purple flares.  Variable bloom forms.  Mild to strong fragrance.  Medium to large, semi-double to double, ruffled bloom form.  Prolific.  
Height: up to 7' (up to 215cm).  Width: up to 7' (up to 215cm).