Rose Rosa Duchess of Cornwall = 'Tan97159' (PBR) (HT)

Water

The Hybrid Tea Rose needs to be watered deeply once a week, making sure to moisten the entire root zone. In hot and dry conditions, increase the frequency to twice a week. Slowly pour about 1-2 gallons of water directly onto the soil at the base of the plant, avoiding wetting the foliage to prevent fungal diseases. During the winter months or in cooler climates, reduce watering to every two weeks or as needed to maintain moist but not waterlogged soil. Always check the top couple of inches of soil for dryness before watering.

Light

Hybrid Tea Roses thrive in a location where they can receive at least six hours of direct sunlight each day. The ideal spot for planting is one that receives morning sunlight, which helps to dry dew from the leaves and thus prevent fungal diseases. Avoid overly shaded areas, as insufficient light can lead to poor blooming and a weakened plant.

Temperature

Hybrid Tea Roses perform best in temperatures ranging from 65 to 75 degrees Fahrenheit but can tolerate temperatures as low as 32 degrees Fahrenheit to as high as 90 degrees Fahrenheit. To ensure healthy growth and ample flowering, try to maintain a moderate temperature range and protect the rose from extreme heat by providing afternoon shade.

Pruning

Pruning the Hybrid Tea Rose is essential to encourage healthy growth, improve air circulation, and shape the plant. Prune in early spring when the buds begin to swell, removing any dead or damaged branches, as well as thinning the center to promote air flow. Additionally, deadhead spent blooms regularly to encourage more flowers. The best time for a major pruning is when the plant is dormant, typically in late winter or early spring.

Cleaning

As needed

Soil

The best soil mix for the Rosa 'Duchess of Cornwall' should be rich in organic matter with well-draining properties. A blend of loamy garden soil, compost, and some coarse sand or perlite would be ideal. The soil pH should be slightly acidic to neutral, roughly between 6.0 and 7.0 to allow for optimal nutrient uptake and plant health.

Repotting

Rosa 'Duchess of Cornwall' usually doesn't require frequent repotting. It should only be repotted when it outgrows its current pot or every 2-3 years. When repotting, ensure the new pot is only slightly larger to avoid oversizing, which can lead to waterlogging issues.

Humidity & Misting

Rosa 'Duchess of Cornwall' thrives best in moderate humidity conditions typical of outdoor gardens. These roses do not require specific humidity levels as long as they are planted outdoors and have good air circulation. They can adapt to the ambient humidity of most temperate climates.

Suitable locations

• Indoor

  Ensure full sun, good air flow, and regular feeding.

• Outdoor

  Plant in full sun, fertile soil, prune annually.

• Hardiness zone

  5-9 USDA

Life cycle

The life cycle of the Rosa 'Duchess of Cornwall' typically begins with seed germination, although as a cultivar with Plant Breeders' Rights (PBR), it is often propagated via cuttings to maintain its distinct characteristics. After germination or rooting of a cutting, the plant enters a vegetative growth stage where it develops stems, leaves, and a root system. Once mature, the rose bush enters the flowering stage, producing the characteristic large, fragrant blooms that may be peach or apricot in color depending on the climate. Roses typically bloom in flushes throughout the growing season, which for many roses is late spring to fall. Following pollination, the plant may produce hips (fruit) containing seeds, although many hybrid teas are propagated mainly from cuttings. The plant then goes into a dormancy period during colder months, conserving energy to begin the cycle again in the spring.

Propogation

• Propogation time

  Spring-Early Summer

• The Rosa 'Duchess of Cornwall', which is a hybrid tea rose, is most commonly propagated through the process of stem cuttings. This method involves taking a healthy, disease-free cutting from a mature plant during the late winter or early spring when the plant is still dormant. The cutting, which should be about 6 to 8 inches (15 to 20 cm) long, is taken from a stem that has recently bloomed and whose flowers have begun to fade. To enhance rooting, the bottom end of the cutting can be dipped in a rooting hormone powder before being planted in a moist soil mix. It is important to maintain consistent moisture and provide a warm environment to encourage root development. Once the cuttings have established a solid root system, they can be transplanted to their permanent location in the garden.