Cornus Alba Spaethii

Description

Cornus Alba Spaethii, also known as Golden-Twig Dogwood, is a deciduous shrub that is native to Siberia and Korea. It belongs to the Cornaceae family and is widely popular for its bright yellow stems that stand out in winter.

Taxonomic Information

Appearance

Cornus Alba Spaethii can grow up to 10 feet tall and 8 feet wide. It has oval-shaped leaves that are dark green in color with a purple tinge that turns red in the fall. The shrub’s most distinctive feature is its bright yellow stems that emerge in the winter and remain vibrant throughout the season. In the spring, it produces clusters of small, creamy-white flowers that are followed by small blue-black berries.

Care Guide

Cornus Alba Spaethii is a hardy plant that is relatively easy to care for. Here are some tips:

• Water: Water the plant deeply once a week, especially during hot, dry weather.
• Fertilization: Fertilize the shrub in the spring with a balanced fertilizer.
• Soil: Plant Cornus Alba Spaethii in well-drained soil that is rich in organic matter.
• Sunlight: The shrub prefers full sun to partial shade.
• Hardiness Zones: Cornus Alba Spaethii is hardy in USDA zones 2 to 7.

Common Pests & Diseases

Cornus Alba Spaethii is relatively pest and disease-free. However, it can be susceptible to the following:

• Aphids: These tiny insects can cause distortion of leaves and stems.
• Leaf Spot: This fungal disease can cause brown or black spots on the leaves.
• Powdery Mildew: This fungal disease can cause a white, powdery coating on the leaves.

Habitat

Cornus Alba Spaethii is native to Siberia and Korea and is well-suited to cold and temperate climates. It grows best in moist, well-drained soil and can tolerate a wide range of soil types.

Question and Answer

• Q: Can Cornus Alba Spaethii be grown in containers?
  A: Yes, the shrub can be grown in containers, but it will require regular pruning to keep its size manageable.
• Q: When is the best time to prune Cornus Alba Spaethii?
  A: The best time to prune the shrub is in late winter or early spring before new growth appears.
• Q: Can Cornus Alba Spaethii tolerate drought?
  A: No, the shrub prefers moist soil and will not tolerate extended periods of drought.
• Q: What is the best way to propagate Cornus Alba Spaethii?
  A: The shrub can be propagated by taking softwood cuttings in the spring or hardwood cuttings in the fall.

Related Plants

• Cornus alba ‘Elegantissima’
• Cornus alba ‘Ivory Halo’
• Cornus sericea (Red Osier Dogwood)
• Cornus stolonifera (Swida sericea)

References

• “Cornus Alba Spaethii.” Missouri Botanical Garden. Accessed September 14, 2021. https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=249034&isprofile=0&basic=Cornus%20Alba.
• “Golden-Twig Dogwood.” The Spruce. Accessed September 14, 2021. https://www.thespruce.com/golden-twig-dogwood-2132747.
• “Cornus Alba Spaethii.” Gardening Know How. Accessed September 14, 2021. https://www.gardeningknowhow.com/ornamental/shrubs/dogwood/cornus-alba-spaethii.htm.