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Description
Rosa Micrantha, also known as the small-flowered rose, is a species of flowering plant in the rose family, native to western North America. This perennial shrub can grow up to 3 meters tall and produces small, pink to purple flowers that bloom in the summer. The leaves are pinnate and toothed, with five to nine leaflets. The fruit, known as a rose hip, is a small, red or orange, round or oblong, fleshy fruit that contains many small seeds.
Taxonomic Information
| Domain: | Eukarya |
|---|---|
| Kingdom: | Plantae |
| Phylum: | Spermatophyta |
| Class: | Magnoliopsida |
| Order: | Rosales |
| Family: | Rosaceae |
| Genus: | Rosa |
| Species: | Micrantha |
Appearance
Rosa Micrantha is a deciduous shrub that grows up to 3 meters tall and 2 meters wide. It has an upright habit and produces arching stems that are covered in thorns. The leaves are dark green and pinnate with five to nine leaflets that are toothed along the edges. The flowers are small, pink to purple, and have five petals. They bloom in clusters from late spring to mid-summer. The fruit, known as a rose hip, is a small, red or orange, round or oblong, fleshy fruit that contains many small seeds.
Care Guide
Water
Rosa Micrantha prefers moist, well-drained soil. Water the plant deeply once a week during the growing season to keep the soil evenly moist.
Fertilization
Fertilize Rosa Micrantha in the spring with a balanced fertilizer. Follow the instructions on the fertilizer packaging for application rates.
Soil
Rosa Micrantha prefers well-drained, fertile soil. Amend the soil with compost before planting to improve drainage and soil fertility.
Sunlight
Rosa Micrantha prefers full sun to partial shade. Plant the shrub in a location that receives at least six hours of direct sunlight per day.
Hardiness Zones
Rosa Micrantha is hardy in USDA zones 5-9.
Common Pests & Diseases
Rosa Micrantha is susceptible to several pests and diseases, including:
Pests
– Aphids- Spider mites- Thrips- Japanese beetles
Diseases
– Black spot- Powdery mildew- Rust- Crown gallTo prevent these problems, keep the plant healthy by providing it with proper care, and prune out any infected branches or leaves.
Habitat
Rosa Micrantha is native to western North America, where it grows in a variety of habitats, including forests, meadows, and along streambanks. It prefers moist, well-drained soil and full sun to partial shade.
Question and Answer
Q: Is Rosa Micrantha deer-resistant?
A: No, Rosa Micrantha is not deer-resistant.
Q: How often should I prune Rosa Micrantha?
A: Prune Rosa Micrantha in the late winter or early spring before new growth appears. Remove any dead, damaged, or diseased branches, and shape the plant as desired.
Q: Can I grow Rosa Micrantha in a container?
A: Yes, Rosa Micrantha can be grown in a container. Choose a container that is at least 12 inches in diameter, and use a well-draining potting mix. Water the plant regularly, and fertilize it every two weeks during the growing season.
Q: How do I propagate Rosa Micrantha?
A: Rosa Micrantha can be propagated by softwood cuttings taken in the early summer or by layering in the fall.
Related Plants
– Rosa Californica- Rosa Gymnocarpa- Rosa Nutkana- Rosa Pisocarpa- Rosa Woodsii
References
– “Rosa micrantha.” USDA Plants Database. Accessed October 29, 2021. https://plants.usda.gov/home/plantProfile?symbol=ROMI.- “Small-Flowered Rose.” Missouri Botanical Garden. Accessed October 29, 2021. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=a753.
