Peony 'Karl Rosenfeld'

Peony 'Karl Rosenfeld' is a classic garden favorite known for its large fully double deep crimson red blooms that appear in late spring. Its strong upright stems and lush green foliage create a bold focal point in sunny borders while delivering a rich traditional garden look with long lasting seasonal impact.

Height & Spread: 30 - 36 in x 24 - 30 in

Bloom Time: Late spring

Light Requirements: Full sun

Soil Preference: Rich well drained soil

Watering Needs: Moderate; prefers consistent moisture

Deer Resistance: Deer resistant

Native Status

This peony is a cultivated hybrid derived from Asian species and is not native to North America but is widely grown for its ornamental value and long lived garden performance.

WILDLIFE & INSECTS

Bees

• Attracts native bees and bumblebees which visit the blooms for pollen during its late spring flowering period.

Spacing & Landscape Use

Spacing Recommendations

• Space 24 - 30 in apart to allow for mature growth and good air circulation.

Landscape Placement

• Best suited for sunny borders, cottage gardens, and foundation plantings where its large blooms can serve as a seasonal focal point.

Companion Plants

• Salvia nemorosa 'May Night' (Meadow Sage) - Adds upright spikes of deep violet that contrast with the rich red blooms.
• Alchemilla mollis (Lady's Mantle) - Provides soft mounded foliage and airy chartreuse flowers that complement the bold peony form.
• Iris germanica (Bearded Iris) - Offers architectural foliage and spring blooms that overlap slightly in season.
• Nepeta faassenii 'Walker's Low' (Catmint) - Brings a soft flowing texture and extended bloom period around the base of the plant.
• Allium 'Purple Sensation' (Ornamental Onion) - Introduces spherical blooms that echo and contrast the peony’s full flower form.