Gyűjteményes generációk közötti bazsarózsák - Paeonia 'Cora Louise' (Itoh csoport)

Paeonia 'Cora Louise', an Itoh group peony (intersectional hybrid), is a perennial herbaceous plant from the Paeoniaceae family, valued for its semi-double white flowers with purple highlights and its sturdiness. Created by Roger F. Anderson in 1986, this variety combines the traits of shrub and herbaceous peonies, offering large flowers, strong stems, and decorative foliage. It is ideal for ornamental gardens, borders, containers, or as a cut flower, thanks to the elegant contrast of colors and abundant blooming.

Appearance of leaves, flowers, and fruits

• Leaves: The leaves are compound, divided into elliptical or lance-shaped leaflets, dark green and glossy. In spring, new foliage appears with reddish shades, turning to deep green. In autumn, the leaves may take on coppery tones, adding seasonal interest. The foliage is dense, disease-resistant, and remains attractive throughout the season.
• Flowers: The flowers are semi-double, 15-20 cm in diameter, made up of broad petals, pure white with intense purple-pink spots (flares) at the base of the petals around the center. The flower’s center shows golden yellow stamens, creating a vibrant contrast. The flowers are lightly scented and appear in the mid-season (May-June), with up to 30-50 flowers on a mature plant. The firm stems support the flowers well without needing support.
• Fruits: Produces small green capsules that dry in autumn, containing seeds. These have no ornamental value and are rarely used for propagation due to the hybrid nature.

Growth characteristics

• Height and width: Reaches 60-80 cm in height and 60-90 cm in width, forming a compact, rounded bush with sturdy stems.
• Vigor: Moderately fast growth, with short, partly woody stems starting from ground level. Inherits the vigor of shrub peonies and the herbaceous character of garden peonies.
• Type: Herbaceous perennial, with stems dying back to the ground in winter, but roots survive and regenerate in spring.

Growing conditions

• Exposure: Prefers full sun (6+ hours/day) for maximum blooming but tolerates partial shade, where flowers may be fewer. Avoid dense shade, which reduces vigor.
• Soil: Grows in fertile, moist, well-drained soils with slightly acidic to neutral pH (6.0-7.0). Add compost or organic matter before planting to improve drainage and fertility. Does not tolerate heavy or waterlogged soils.
• Watering: Water regularly, keeping the soil moist but not wet. During dry periods, water deeply, especially in the first year. Avoid overwatering, which can cause root rot.
• Temperature: Hardy in zones 4-8 (down to -29°C), suitable for temperate climates, including Romania. Tolerates winters well but mulch roots in very cold areas for protection.

Care and resistance

• Resistance: Sturdy, with excellent resistance to diseases and pests. Tolerates wind and rain due to firm stems. Rarely affected by mildew or aphids; inspect occasionally and use organic methods if needed.
• Fertilizing: Apply a balanced fertilizer (e.g., 10-10-10) in spring at shoot emergence and once after flowering. Avoid excess nitrogen, which promotes leaves at the expense of flowers.
• Pruning: Cut stems to the ground in autumn after foliage dries. Remove faded flowers to maintain a tidy appearance. Does not require frequent division and can remain undisturbed for years.
• Propagation: Propagated by dividing roots in autumn, but the process is slow due to the hybrid nature. Seeds are not viable.

Paeonia 'Cora Louise' is ideal for ornamental gardens, borders, containers, or as a cut flower. Its white flowers with purple accents add an elegant contrast, pairing well with plants like lavender, sage, or ornamental herbs. Decorative foliage and autumn coloring enhance its appeal. Suitable for cottage gardens, modern landscapes, or as a focal plant. Attracts bees and butterflies, contributing to biodiversity.

Origin

Created by Roger F. Anderson in 1986, 'Cora Louise' Peony is an Itoh hybrid, resulting from crossing an herbaceous peony with a shrub peony. Valued for its combination of white and purple, it is one of the top Itoh varieties, widely grown in Europe and North America.

Blooming season: May - June

Pot size: 21 cm
Height including pot: varies depending on season

Note: growth stage varies depending on variety and season.