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Description
Rosa Tomentosa is a deciduous shrub from the Rosaceae family, commonly known as the Harison’s Yellow rose. The plant has a moderate growth rate and can reach up to 6 feet tall and 5 feet wide. It produces vibrant yellow flowers in late spring to early summer, which are followed by small, red hips in fall. The plant is highly valued for its ornamental qualities and sweet fragrance.
Taxonomic Information
| Domain | Eukaryota |
|---|---|
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Rosales |
| Family | Rosaceae |
| Genus | Rosa |
Appearance
The Rosa Tomentosa plant has a dense, upright growth habit with thorny stems. The leaves are dark green and glossy, with a serrated edge, and range from 2 to 3 inches long. The plant produces clusters of bright yellow flowers, which are double-petaled and fragrant. The flowers can reach up to 3 inches in diameter and bloom from late spring to early summer. The plant produces small, red hips in fall, which can be used to make jams and jellies.
Care Guide
Water: Rosa Tomentosa requires regular watering, especially during the growing season. The plant prefers moist, well-drained soil but can tolerate short periods of drought.Fertilization: The plant benefits from regular fertilization, especially during the growing season. Use a balanced, slow-release fertilizer to promote healthy growth and blooming.Soil: Rosa Tomentosa prefers well-drained, fertile soil with a pH range of 6.0 to 7.0. Amend the soil with organic matter, such as compost or aged manure, to improve soil structure and fertility.Sunlight: The plant prefers full sun but can tolerate partial shade. Ensure that the plant receives at least 6 hours of direct sunlight per day.Hardiness Zones: Rosa Tomentosa is hardy in USDA zones 4 to 8.
Common Pests & Diseases
Rosa Tomentosa is susceptible to a range of pests and diseases, including:Pests: Aphids, spider mites, Japanese beetles, and rose chafers.Diseases: Black spot, powdery mildew, rust, and crown gall.To prevent these issues, ensure that the plant is grown in well-drained soil, receives adequate sunlight and airflow, and is watered properly. Prune the plant regularly to remove dead or diseased wood.
Habitat
Rosa Tomentosa is native to North America and can be found in a range of habitats, including prairies, meadows, and woodland edges. The plant prefers well-drained soil and full sun but can tolerate a range of growing conditions.
Questions and Answers
Q: How often should I water my Rosa Tomentosa plant?
A: Rosa Tomentosa requires regular watering, especially during the growing season. Water the plant deeply once per week, or more often in hot, dry weather.Q: Can Rosa Tomentosa tolerate shade?
A: Rosa Tomentosa prefers full sun but can tolerate partial shade. Ensure that the plant receives at least 6 hours of direct sunlight per day.Q: How can I prevent aphids from attacking my Rosa Tomentosa plant?
A: To prevent aphids, ensure that the plant is grown in well-drained soil, receives adequate sunlight and airflow, and is watered properly. You can also use insecticidal soap or neem oil to control aphids.Q: Can I propagate Rosa Tomentosa from cuttings?
A: Yes, Rosa Tomentosa can be propagated from softwood or hardwood cuttings taken in late spring to early summer or late fall to early winter, respectively.
Related Plants
Other plants in the Rosa genus include:
- Rosa ‘New Dawn’
- Rosa ‘Iceberg’
- Rosa ‘Peace’
- Rosa ‘Double Delight’
- Rosa ‘Mister Lincoln’
References
- “Rosa Harisonii.” Missouri Botanical Garden. Accessed September 16, 2021. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=b733.
- “Rosa Harisonii.” PlantFiles. Accessed September 16, 2021. https://davesgarden.com/guides/pf/go/2000/.
- Dirr, Michael A. Dirr’s Encyclopedia of Trees and Shrubs. Timber Press, 2011.
