Peony 'Carl Rosenfield'

Paeonia lactiflor 'Karl Rosenfield'

The peony 'Karl Rosenfield' (Paeonia lactiflora 'Karl Rosenfield') is a variety loved by many gardeners for its beautiful flowers and strong hardiness. The following describes the growth characteristics, propagation methods, cultivation methods, garden uses, major pests and diseases, and control methods for this variety.

Growth Characteristics
- Flower Color: Characterized by deep red double flowers.
- Flowering Period: Usually blooms between May and June.
- Height and Width: Grows to approximately 60 to 90 cm at maturity.
- Sunlight Requirements: Grows well in sunny locations, but can also thrive in partial shade.
- Soil Conditions: Grows well in well-drained soil. It prefers slightly acidic soil.

Propagation Methods
- Root Division: Can be propagated by root division in the autumn. Plant the cut roots immediately. - Seeds: Propagation by seeds is possible, but growth is slow and it may take several years to flower.

Cultivation Methods
- Planting: When planting root ball, plant at a depth of 5 to 7 cm. Planting too deeply may delay flowering.
- Watering: Be careful not to overwater; it is recommended to water deeply.
- Fertilization: It is recommended to apply slow-release fertilizer once in the spring.

Garden Use
- Landscape: The beautiful flowers bloom and serve as a focal point in the garden. Planting them mixed with other perennials can create an even more beautiful landscape.
- Cut Flowers: The flowers are large and showy, making them highly popular for cut flowers.

Important Pests and Diseases & Control Methods
- Gray Mold: Improve plant ventilation, immediately remove infected parts, and use fungicides if necessary.
- Leaf Blight: This disease causes the tips of leaves to dry out; it can be prevented by removing infected leaves and improving ventilation. - Pests: Pests such as aphids can be controlled using soapy water or insecticides.

The peony 'Carl Rosenfield' is a relatively easy-to-care-for plant that thrives in suitable environments and adds rich color to the garden.

Plant Type
Plant Family	Peony family
Height	60~90cm
Spread	60~90cm
Colors	red
Bloom Period	May~June
Water Needs	commonly
Exposure	Sunny
Freezing Resistance	-30°C

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