Contents
Description
Rosa Rugosa Rubra, commonly known as the Japanese rose, is a species of rose native to eastern Asia. It is a deciduous shrub that can grow up to 6 feet tall and 8 feet wide. The plant is characterized by its dark green, wrinkled leaves and pink or red fragrant flowers that bloom in the summer and fall.
Taxonomic Information
| Domain | Eukaryota |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Rosales |
| Family | Rosaceae |
| Genus | Rosa |
Appearance
Rosa Rugosa Rubra has dark green, wrinkled leaves that are 3-4 inches long and 2-3 inches wide. The flowers are pink or red, and have a distinctive fragrance. They are about 2-3 inches in diameter and have 5 petals. The plant produces small, red, round fruit that resembles a tomato.
Care Guide
To care for Rosa Rugosa Rubra, it is important to provide adequate water, fertilization, soil, sunlight, and to know its hardiness zones. The plant is adaptable to a variety of soil types, but prefers well-draining soil that is slightly acidic. It can tolerate full sun to partial shade, but blooms best in full sun. Water the plant regularly, especially during dry periods, and fertilize it in the spring and summer with a balanced fertilizer. Rosa Rugosa Rubra is hardy in zones 2-9.
Common Pests & Diseases
Rosa Rugosa Rubra is susceptible to a few pests and diseases, including aphids, spider mites, black spot, and rust. Aphids and spider mites can be controlled with insecticidal soap or neem oil. Black spot and rust can be prevented by providing good air circulation and avoiding overhead watering.
Habitat
Rosa Rugosa Rubra is native to eastern Asia, including China, Japan, and Korea. It is commonly found in coastal areas, sand dunes, and rocky cliffs. The plant is well-suited to coastal regions because it is salt-tolerant.
Question and Answer
Q: Can Rosa Rugosa Rubra be grown in containers?
A: Yes, Rosa Rugosa Rubra can be grown in containers, but it may require more frequent watering and fertilization.
Q: When is the best time to prune Rosa Rugosa Rubra?
A: The best time to prune Rosa Rugosa Rubra is in late winter or early spring before new growth appears.
Q: Can Rosa Rugosa Rubra be propagated from cuttings?
A: Yes, Rosa Rugosa Rubra can be propagated from hardwood cuttings taken in late fall or winter.
Q: Does Rosa Rugosa Rubra attract pollinators?
A: Yes, Rosa Rugosa Rubra attracts bees, butterflies, and other pollinators with its fragrant flowers.
Related Plants
- Rosa rugosa alba
- Rosa rugosa plena
- Rosa rugosa scabrosa
- Rosa rugosa var. rubra
References
- “Rosa rugosa.” Missouri Botanical Garden, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=e658.
- “Rosa rugosa.” Plants of the World Online, www.plantsoftheworldonline.org/taxon/urn:lsid:ipni.org:names:732034-1.
- “Rosa rugosa.” Royal Horticultural Society, www.rhs.org.uk/plants/8883/rosa-rugosa/details.
