Northwest Blooms · Perennials
Paeonia lactiflora 'Karl Rosenfield'
Karl Rosenfield Peony

- Family
- Paeoniaceae
- Height
- 24–36 inches
- Width
- 24–36 inches
- Flower color
- Magenta; fully double blooms with tightly packed petals
- Foliage color
- Dark green, with glossy, deeply cut leaves that form a dense mound
- Bloom time
- Late spring to early summer
- Light
- Full sun to partial shade
- Water
- Moist but well-drained soil
- Maintenance
- Low; deadhead spent flowers and cut back foliage after it dies down in autumn
- Growing zone
- USDA zones 3–8
- Wildlife
- Attracts butterflies
About this plant
Paeonia lactiflora 'Karl Rosenfield' is a classic peony variety known for its large, fully double flowers and deep pink color. The blooms are rounded and dense, with layers of soft, petal-rich structures that create a lush, full appearance. These fragrant flowers bloom in late spring to early summer, making a bold statement in the garden. 'Karl Rosenfield' is a popular choice for ornamental gardens, borders, and cut flower arrangements due to its visual appeal and pleasant fragrance.
'Karl Rosenfield' is relatively low-maintenance, requiring little attention beyond occasional watering during dry spells. It is also resistant to common peony pests and diseases, making it a hardy and dependable choice for gardens. The combination of its rich blooms, delightful fragrance, and sturdy growth habit make 'Karl Rosenfield' a standout plant that adds both beauty and charm to any garden setting.
Works well in
Borders · Cottage Gardens · Pollinator Gardens · Rain Gardens · Cut Flower Gardens
Companion plants
Foxgloves · Bergenias · Sedums · Columbines · Lungworts · Daylilies
Design tip
Summer flowers carry the middle of the season, so place it where the bed needs color once spring bulbs fade. Because it is easy about light, use it to carry a planting from a sunny end of the bed into the shadier side.
