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Paeonia 'Karl Rosenfeld'
Common Name: Karl Rosenfield Garden Peony
Paeonia lactiflora ‘Karl Rosenfield’ is a classic herbaceous perennial peony with large, fully double, bright crimson-red flowers. The outer petals are broad and waved, while the inner petals are incurved and notched, giving the bloom a full, ruffled look. It blooms in midseason on tall, strong stems above clean, dark green foliage. The American Peony Society describes it as free-flowering, reliable, not fragrant, and excellent for both cutting and garden display. Type: Herbaceous perennial peony Mature Size: 30–36 in. wide × 30–36 in. tall USDA Zones: 3a–8b Form: Upright, bushy, clumping perennial with strong stems Light: Full sun to part shade; best flowering in full sun Soil / Water: Fertile, rich, evenly moist, well-drained soil; avoid wet, poorly drained sites Bloom Time / Length: Midseason peony, usually late spring to early summer; about 7–10 days, depending on weather Wildlife: Flowers attract bees, butterflies, and other pollinating insects; generally deer and rabbit resistant Features & Landscape Uses: Excellent for perennial borders, cottage gardens, cutting gardens, specimen planting, mass planting, and mixed sunny beds. ‘Karl Rosenfield’ is valued for its bold red color, large double flowers, strong stems, dependable bloom, and long garden history. Peony bloom season can be extended by planting early, midseason, and late-blooming cultivars together. Care: Plant peony eyes about 1–2 inches below the soil surface; planting too deeply can reduce flowering. Provide good air circulation and water at the base when possible. Remove spent flowers after bloom, but leave foliage through summer to feed the roots. Cut stems to the ground after frost in fall and remove old foliage from the garden. Peonies are long-lived and usually do not need frequent division.
| Plant Type: | Perennial |
| Width: | 30-36" |
| Height: | 30-36'' |
| Fragrant: | Yes |
| Growth Rate | Moderate |
| Zone: | 3 - 9 |
| Deer Resistant: | Yes |
| Salt Tolerant: | No |
| Drought Tolerant: | No |
| Attract: | Butterflies |
| Exposure: | Full Sun |
| Bloom Time: | Late Spring, Early Summer |
| Landscape/Use: | Mass Planting, Accent Plant, Border |
| Shape: | Clump, Upright, Compact |
| Soil Type | Rich, Moist well-drained |
| Flower Color: | Red |
| Leaf Color: | Green |
| Fall Color: | Dark Green, Bronze, Green |