Rosa Rugosa Fru Dagmar Hastrup

Description

Rosa Rugosa Fru Dagmar Hastrup, also known as the Rugosa Rose, is a deciduous shrub that is native to Asia. It is a popular ornamental plant due to its showy flowers, attractive fruit, and hardiness. The plant can grow up to 6 feet tall and 8 feet wide and has a spreading habit. The flowers are pink, fragrant, and bloom from late spring to early summer. The fruit is a bright red, round, and edible. The plant is commonly used in hedges, borders, and as a specimen plant.

Taxonomic Information

Appearance

The Rosa Rugosa Fru Dagmar Hastrup has dark green, wrinkled leaves that are pinnately compound and serrated. The leaves are about 3-4 inches long and are arranged in an alternate pattern along the stems. The flowers are about 3 inches in diameter and have five petals. The petals are pink, fragrant, and bloom from late spring to early summer. The fruit is a bright red, round, and about 1 inch in diameter. The plant has a spreading habit and can grow up to 6 feet tall and 8 feet wide.

Care Guide

Water

The Rosa Rugosa Fru Dagmar Hastrup prefers well-drained soil and moderate watering. It is important to water the plant deeply, but not too frequently, as it can lead to root rot.

Fertilization

The plant benefits from regular fertilization during the growing season. Use a balanced fertilizer with a ratio of 10-10-10 and apply it according to the package instructions.

Soil

The plant prefers well-drained soil that is rich in organic matter. It can tolerate a wide range of soil pH levels, but prefers slightly acidic soil with a pH of 6.0-6.5.

Sunlight

The plant prefers full sun to partial shade. It can tolerate shade, but it may lead to reduced flowering and fruit production.

Hardiness Zones

The Rosa Rugosa Fru Dagmar Hastrup is hardy in USDA Zones 3-9.

Common Pests & Diseases

The plant is relatively disease and pest resistant. However, it can be susceptible to aphids, spider mites, and Japanese beetles. Regular monitoring and spraying with insecticidal soap or neem oil can prevent infestations. The plant can also be susceptible to black spot, powdery mildew, and rust. These diseases can be prevented by ensuring proper air circulation, avoiding overhead watering, and removing infected plant material.

Habitat

The Rosa Rugosa Fru Dagmar Hastrup is native to Asia, but is widely cultivated as an ornamental plant in North America and Europe. It grows in a variety of habitats, including coastal dunes, rocky outcrops, and disturbed areas.

Questions and Answers

Q: Can the fruit of the Rosa Rugosa Fru Dagmar Hastrup be eaten?

A: Yes, the fruit is edible and is commonly used to make jelly, jam, and tea.

Q: How often should the plant be fertilized?

A: The plant benefits from regular fertilization during the growing season. Use a balanced fertilizer with a ratio of 10-10-10 and apply it according to the package instructions.

Q: What are some common pests and diseases that can affect the plant?

A: The plant can be susceptible to aphids, spider mites, Japanese beetles, black spot, powdery mildew, and rust.

Q: What is the hardiness zone for the Rosa Rugosa Fru Dagmar Hastrup?

A: The plant is hardy in USDA Zones 3-9.

Related Plants

• Rosa ‘Blanc Double de Coubert’
• Rosa ‘Hansa’
• Rosa ‘Pink Grootendorst’
• Rosa ‘Rugelda’

References

• “Rosa rugosa.” Missouri Botanical Garden. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=280164&isprofile=0&basic=Rosa%20rugosa
• “Rosa rugosa ‘Frau Dagmar Hastrup’.” Plant Finder. https://www.monrovia.com/plant-catalog/plants/511/frau-dagmar-hastrup-rose/
• “Rosa rugosa ‘Frau Dagmar Hastrup’.” Royal Horticultural Society. https://www.rhs.org.uk/Plants/313579/i-Rosa-rugosa-i-Frau-Dagmar-Hastrup/Details