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Description
Rubus Pungens Var. Oldhamii, commonly known as the Japanese bramble, is a deciduous shrub that belongs to the Rosaceae family. It is native to Japan and Korea and can grow up to 6 feet tall and 4 feet wide. The plant produces thorny stems and has attractive foliage that changes color throughout the year. In the spring, it produces white or pink flowers that are followed by edible black berries in the summer. Rubus Pungens Var. Oldhamii is an excellent plant for borders, hedges, and screens.
Taxonomic Information
| Domain| Eukaryota||—————-|—————|| Kingdom| Plantae|| Phylum| Tracheophyta|| Class| Magnoliopsida || Order| Rosales|| Family| Rosaceae|| Genus| Rubus|| Species| Pungens|| Variety| Oldhamii|
Appearance
Rubus Pungens Var. Oldhamii is a thorny shrub that grows up to 6 feet tall and 4 feet wide. It has attractive foliage that changes color throughout the year. In the spring, the leaves emerge with a reddish tint, then turn green in the summer. In the fall, the leaves turn a vibrant red before falling off in winter. The plant produces white or pink flowers in the spring that are followed by black edible berries in the summer.
Care Guide
Rubus Pungens Var. Oldhamii requires moderate watering and well-draining soil. It prefers full sun but can tolerate partial shade. It is hardy in USDA zones 6 to 9. Fertilize once a year in the spring with a balanced fertilizer. Prune the plant in late winter to early spring to remove any dead or damaged wood.
Common Pests & Diseases
Rubus Pungens Var. Oldhamii is susceptible to pests such as aphids, spider mites, and scale insects. It can also be affected by diseases such as anthracnose and powdery mildew. To prevent these issues, monitor the plant regularly and treat any problems promptly.
Habitat
Rubus Pungens Var. Oldhamii is native to Japan and Korea and thrives in temperate climates. It grows in a variety of habitats, including forests, meadows, and along roadsides.
Question and Answer
Q: Is Rubus Pungens Var. Oldhamii drought-tolerant?
A: No, it requires moderate watering and cannot tolerate drought.
Q: Can Rubus Pungens Var. Oldhamii grow in shade?
A: It prefers full sun but can tolerate partial shade.
Q: When should I prune Rubus Pungens Var. Oldhamii?
A: Prune in late winter to early spring to remove any dead or damaged wood.
Q: Are the berries of Rubus Pungens Var. Oldhamii edible?
A: Yes, they are edible.
Related Plants
– Rubus odoratus- Rubus spectabilis- Rubus calycinoides
References
– “Rubus Pungens Var. Oldhamii.” Missouri Botanical Garden, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=c637.- “Japanese Bramble.” Gardenia.net, www.gardenia.net/plant-variety/rubus-pungens-var-oldhamii-japanese-bramble.
