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Description
Berberis Glaucocarpa, commonly known as the Oregon Grape or Hollyleaved Barberry, is a shrub that belongs to the Berberidaceae family. It is native to western North America and can be found growing in the Pacific Northwest region from British Columbia to California. The shrub can grow up to 5-6 feet tall and 3-4 feet wide.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Ranunculales |
| Family | Berberidaceae |
| Genus | Berberis |
Appearance
The leaves of Berberis Glaucocarpa are holly-like, with spiny margins and a blue-green color. The flowers are yellow and bloom in late spring, followed by blue-black berries in the summer. The shrub has an upright and dense growth habit, making it a popular choice for hedges and borders.
Care Guide
Berberis Glaucocarpa prefers moist, well-drained soil and full sun to partial shade. It is a hardy shrub that can tolerate a wide range of soils and growing conditions. Water the shrub deeply and regularly, especially during hot and dry weather. Fertilize the shrub in the spring with a balanced fertilizer. The shrub is hardy in USDA zones 5-9.
Common Pests & Diseases
Berberis Glaucocarpa is relatively pest and disease resistant. However, it can be susceptible to rust, powdery mildew, and aphids. To prevent these problems, prune the shrub regularly to promote good air circulation and remove any infected or diseased branches.
Habitat
Berberis Glaucocarpa is commonly found growing in moist, shaded areas in the Pacific Northwest region of North America. It is often found growing in forests, along streams, and in wetlands.
Question and Answer
Q: Can Berberis Glaucocarpa be grown as a hedge?
A: Yes, Berberis Glaucocarpa is a popular choice for hedges and borders due to its upright growth habit and dense foliage.
Q: When should I prune Berberis Glaucocarpa?
A: Prune the shrub in late winter or early spring before new growth begins to promote a healthy and vigorous growth.
Q: Is Berberis Glaucocarpa deer-resistant?
A: Yes, Berberis Glaucocarpa is deer-resistant due to its spiny foliage.
Q: Can Berberis Glaucocarpa be grown in containers?
A: Yes, Berberis Glaucocarpa can be grown in containers, but it may require more frequent watering and fertilization.
Related Plants
- Berberis Aquifolium
- Berberis Thunbergii
- Berberis Vulgaris
- Berberis Darwinii
References
- Dirr, M. A. (2011). Dirr’s Encyclopedia of Trees and Shrubs. Timber Press.
- Armitage, A. M. (2016). Herbaceous Perennial Plants: A Treatise on Their Identification, Culture, and Garden Attributes. Stipes Publishing.
- Hitchcock, C. L., Cronquist, A., Giblin, D., & Legler, B. et al. (2018). Flora of the Pacific Northwest: An Illustrated Manual. University of Washington Press.
