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Description
Buxus Sempervirens Blauer Heinz, also known as the Blue Heinz Boxwood, is a popular evergreen shrub that belongs to the Buxaceae family. It is native to Europe and Asia and is widely used in landscaping due to its compact size and dark green foliage. The shrub can grow up to 3 feet in height and width and has a slow growth rate.
Taxonomic Information
| Domain | Eukaryota |
| Kingdom | Plantae |
| Phylum | Spermatophyta |
| Class | Magnoliopsida |
| Order | Buxales |
| Family | Buxaceae |
| Genus | Buxus |
Appearance
The leaves of Buxus Sempervirens Blauer Heinz are ovate in shape, with a glossy dark green color. The shrub is known for its compact size and dense habit, making it an ideal choice for hedging and topiary. In spring, the shrub produces small yellow-green flowers that are not very noticeable.
Care Guide
Water: Buxus Sempervirens Blauer Heinz requires moderate watering, especially during the hot and dry summer months. Avoid overwatering as it can lead to root rot.
Fertilization: Fertilize the shrub in early spring using a slow-release fertilizer. Avoid using high-nitrogen fertilizers as they can lead to excessive foliage growth.
Soil: The shrub prefers well-draining soil that is rich in organic matter. It can tolerate a wide range of soil pH levels.
Sunlight: Buxus Sempervirens Blauer Heinz prefers partial shade to full sun exposure. It can tolerate some shade but may become leggy if placed in too much shade.
Hardiness Zones: The shrub is hardy in USDA zones 6 to 8.
Common Pests & Diseases
The shrub is susceptible to boxwood blight, which is a fungal disease that causes leaf spots, defoliation, and dieback. It can also be affected by boxwood leafminer, which causes yellowing and curling of leaves. Powdery mildew and root rot are also common problems.
Habitat
Buxus Sempervirens Blauer Heinz is native to Europe and Asia, where it grows in woodland areas and rocky slopes. It prefers moist, well-drained soil and partial shade to full sun exposure.
Question and Answer
Q: Can Buxus Sempervirens Blauer Heinz be grown in containers?
A: Yes, the shrub can be grown in containers, but it may require more frequent watering and fertilization.
Q: How often should I prune the shrub?
A: Prune the shrub in late winter or early spring before new growth appears. You can also prune it lightly throughout the growing season to maintain its shape.
Q: How can I prevent boxwood blight?
A: Avoid planting the shrub in areas with poor air circulation, and sanitize pruning tools between cuts to prevent the spread of the disease.
Q: Can the shrub tolerate drought?
A: The shrub can tolerate some drought, but it prefers moist soil. Avoid overwatering as it can lead to root rot.
Related Plants
- Buxus Microphylla
- Buxus Sempervirens
- Buxus Harlandii
References
- “Buxus Sempervirens Blauer Heinz.” Missouri Botanical Garden, www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=c150.
- “How to Grow and Care for Boxwood Shrubs.” The Old Farmer’s Almanac, www.almanac.com/plant/boxwood.
- “Boxwood Blight.” Penn State Extension, extension.psu.edu/boxwood-blight.
