Amur Cork Tree (Phellodendron amurense)
Also known as: Amur cork tree, 黄柏
The Amur Cork Tree, scientifically known as Phellodendron amurense, originates from Eastern Asia, including regions such as China, Korea, and Japan. It has demonstrated invasive characteristics in North America when it grows outside controlled environments. To mitigate this, many areas permit only the planting of male trees, as female trees produce berries that can spread and disrupt local ecosystems. Additionally, the wood of the Amur Cork Tree is valued for its resistance to decay.
In This Article
Attributes of Amur Cork Tree
Lifespan
Perennial
Plant Type
Tree
Plant Height
9 m to 18 m
Spread
9 m to 12 m
Leaf Color
Yellow Green Gold
Flower Size
2.5 cm
Flower Color
Green Yellow
Images of Amur Cork Tree
Quickly Identify Amur Cork Tree
1
Opposite pinnately compound leaves, 5-11 leaflets, dark green, with turpentine scent when crushed.
2
Yellowish-green panicle flowers in spring, inconspicuous, no fragrance, critical for identification.
3
Small black drupes, 0.25-0.5 inches (6.35-12.7 mm), persist into winter, unpleasant scent when disturbed.
4
Brown and gray twigs, horseshoe-shaped leaf scar, petiole nearly encloses bud, 0.5-2 inches (1.3-5 cm) thick.
5
Thick, corky bark, deeply ridged, bright yellow inner bark, girth of 2-3 feet (60-90 cm), rot-resistant wood.
Scientific Classification of Amur Cork Tree
Phylum
Vascular plants
Class
Dicotyledons
Order
Sapindales
Family
Rue
Genus
chinese corktree
Species
Amur Cork Tree
Planting and Growing of Amur Cork Tree
Care Difficulty
Easy
Watering Schedule
Every day
Sunlight Requirements
Partial sun
Sunshine Duration
6-10 hours
Ideal Temperature
60-75℉
Soil Type
Potting Mix, Peat Mix
Soil pH
5-8
Fertilizer Type
Balanced
Pruning Season
Spring, Summer
Pruning Area
Branches, Leaves
Pruning Frequency
2 times a year
Repotting Season
Spring
Pot Type
Plastic, Ceramic
How to Water Amur Cork Tree?
When watering Phellodendron amurense, ensure the water thoroughly soaks the soil but does not result in standing water. A deep watering of about 1000 ml once a month is generally sufficient, allowing the plant to draw moisture over a more extended period and encouraging strong root systems.
What are the symptoms of an underwatered Amur Cork Tree?
›
What should I do if my Amur Cork Tree is not getting enough water?
›
What are the symptoms of an overwatered Amur Cork Tree?
›
How to save an overwatered Amur Cork Tree?
›
What Are the Sunlight Requirements for Amur Cork Tree?
The ideal light range for Phellodendron amurense is a balance of four to six hours of partial sun, which supports vigorous growth and enhances its natural beauty by providing sufficient energy without causing light stress.
More About Sunlight Requirements Techniques→
Where does it grow best?
›
What does ideal lighting do?
›
How to achieve ideal lighting?
›
What Is the Ideal Temperature Range for Amur Cork Tree?
The ideal temperature range for growing Phellodendron amurense is between 60°F and 75°F. This range provides optimal conditions for photosynthesis and metabolic activities, ensuring healthy growth and development. Maintaining temperatures within this window reduces the stress on the plant and keeps it vigorous and resilient against pests and diseases.
What Soil is Best for Amur Cork Tree?
Phellodendron amurense thrives in well-drained soil, as it prevents root rot and ensures healthy growth. This tree prefers soil that allows water to percolate easily while retaining enough moisture to keep the roots nourished. A nutrient-rich soil is crucial for the Amur cork tree, providing it with essential minerals that support vigorous growth and vibrant foliage. Regular mulching and organic compost can enhance the soil's nutrient profile. The soil should maintain adequate moisture while ensuring that it is not waterlogged. This balance is vital for sustaining the tree's health and promoting a robust root system.
How to Fertilize Amur Cork Tree?
For Phellodendron amurense, it is crucial to provide the right amount of nutrients without overfeeding. Liquid fertilizer should be diluted to half the recommended strength on the packaging, while slow-release granules can be applied sparingly to avoid nutrient burn.
How to Prune Amur Cork Tree?
Begin pruning Phellodendron amurense by assessing the tree's overall structure. Focus on removing any dead, diseased, or damaged branches. This not only improves the tree's appearance but also prevents the potential spread of disease. To maintain its aesthetic shape, lightly trim back overgrown branches. Aim to create an even and symmetrical canopy, which will allow adequate sunlight penetration and air circulation among the branches. Use sharp, clean pruning shears for smaller branches and a pruning saw for larger limbs. Make cuts just outside the branch collar to promote quick healing. Avoid leaving stubs, as they can lead to pests or disease.
More About Pruning Techniques→
How to Propagate Amur Cork Tree plant?
1
Begin by collecting mature seeds from a healthy Phellodendron amurense tree. Clean the seeds and allow them to dry before storing them in a cool, dry place if not planting immediately.
2
Fill a seed tray with a well-draining potting mix. Sow the seeds evenly, covering them lightly with soil. Provide consistent moisture and warmth to encourage germination, ensuring the soil never fully dries out.
3
Choose healthy, semi-hardwood sections of the parent plant and use pruning shears to take cuttings. Each cutting should be about 10-15 cm long, and lower leaves should be removed to prevent excessive water loss.
How to Repot Amur Cork Tree plant?
1
You should consider repotting the Phellodendron amurense when it shows signs of being root-bound, such as roots growing through drainage holes or circling the pot. Also, if its growth has significantly slowed or the soil dries too quickly, it's time to repot.
2
Select a pot that is about 2 inches larger in diameter than the current one, ensuring it has drainage holes. This size allows the roots more space to grow, preventing them from becoming root-bound too soon, while the drainage holes prevent water-logging.
3
Opt for a well-draining potting mix that retains some moisture but doesn't stay soggy. This helps to prevent root rot while maintaining adequate hydration, giving your Phellodendron amurense a balanced environment for thriving growth.
Toxicity
Ingestion
WARNING
The judgment on toxicity and danger is for reference only. We DO NOT GUARANTEE any accuracy of such judgment. Therefore, you SHALL NOT rely on such judgment. It is IMPORTANT TO SEEK PROFESSIONAL ADVICE in advance when necessary.
