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EdenValleySeeds

Amur Cork Tree Seeds – Phellodendron amurense

Amur Cork Tree Seeds – Phellodendron amurense

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Regular price $18.89 USD
Regular price Sale price $18.89 USD
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DELIVERY ESTIMATE
Oct 21 – Oct 23 Estimated arrival
ORDER Oct 11 Order placed
ORDER READY Oct 13 – Oct 14 2–3 business days
DELIVERED Oct 21 – Oct 23 10–12 business days total
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Key Features

  • Amur cork tree is a deciduous tree known for its distinctive corky bark.
  • Features attractive green foliage that turns yellow in autumn.
  • Produces small greenish-yellow flowers followed by dark, berry-like fruits.
  • Develops a broad, spreading form suitable for spacious landscapes and woodland gardens.
  • Valued as an ornamental tree for its unusual bark, foliage, and seasonal interest.

Growing Benefits

  • Adds distinctive year-round character to spacious home landscapes.
  • Provides attractive foliage and textured bark for visual garden interest.
  • Offers an interesting tree-growing project for gardeners and plant enthusiasts.
  • Adapts to a range of well-drained garden soils.
  • Creates valuable seasonal interest as foliage changes through autumn.

Seed Specifications

Common Name: Amur Cork Tree

Botanical Name: Phellodendron amurense

Plant Type: Deciduous woody tree

Colors: Green foliage, yellow autumn foliage, greenish-yellow flowers, dark fruits, gray-brown corky bark

Height: Large tree with a broad, spreading mature form

Sunlight: Full sun to partial shade

Soil: Well-drained, moderately fertile soil; adaptable to various soil types

Water: Regular moisture while young; moderately drought tolerant once established

Germination Time: Variable; seeds may take several weeks or longer after proper cold stratification

Sowing Depth: Shallow, lightly covered with fine soil

Spacing: Allow generous spacing for the mature spreading canopy

Growing Zones: Generally suited to USDA Zones three through seven

Flowering/Maturity: Small flowers appear in late spring or early summer; trees mature gradually over several years

Uses: Ornamental landscaping, specimen planting, woodland gardens, parks, and large open landscapes

Growing Tips

  • Provide a sunny or lightly shaded location with plenty of room for future growth.
  • Use fresh, well-drained soil and avoid areas where water remains around the roots.
  • Give young seedlings consistent moisture while their root systems develop.
  • Protect young plants from severe competition, weeds, and harsh drying conditions.

Seed Storage

Store unused seeds in a cool, dry, dark location inside a sealed, moisture-resistant container. Keep seeds away from heat, humidity, and direct sunlight. For longer storage, refrigeration can help maintain suitable seed condition when moisture is carefully controlled.

Unique Facts About Amur Cork Tree Seeds

  • Amur cork tree belongs to the citrus family, Rutaceae, despite its very different tree-like appearance.
  • The species is named for the Amur region of northeastern Asia, where it is native.
  • Mature trees are recognized for their thick, deeply ridged, cork-like bark.
  • Female trees can produce clusters of dark fruits after flowering when suitable pollination occurs.

Growing Instructions

Planting Season: Sow during the appropriate cool season or begin preparation before spring planting. Because the seeds commonly benefit from cold stratification, planning ahead is important.

Seed Preparation: Amur cork tree seeds generally benefit from a period of moist cold stratification to help overcome dormancy. Keep the seed medium slightly moist during this preparation period.

Sowing: After preparation, sow the seeds in a well-draining seed-starting medium. Place them shallowly and cover lightly with fine soil.

Depth: Avoid deep planting. A thin covering of soil is generally sufficient for these seeds.

Spacing: When sowing in trays, leave enough room for seedlings to develop without excessive competition. Transplant young trees to a permanent location with generous space for their mature canopy.

Sunlight: Place seedlings where they receive bright light, preferably full sun to partial shade. Gradually acclimate young plants when moving them outdoors.

Soil: Use loose, fertile, well-drained soil. Avoid heavy, poorly drained locations that remain saturated after watering.

Watering: Keep the growing medium evenly moist during germination without making it soggy. Once established outdoors, water deeply during prolonged dry periods.

Germination: Germination can be slow and irregular. Proper cold stratification, fresh seed, suitable moisture, and stable growing conditions can improve the chances of successful emergence.

Transplanting: Transplant seedlings after they have developed a healthy root system and can be handled safely. Choose a permanent location with adequate space and good drainage.

Fertilizing: Young plants generally benefit more from good soil and consistent moisture than heavy feeding. If growth is weak, use a balanced, slow-release fertilizer according to the product label.

Care: Keep the area around young trees free from competing weeds and grass. Maintain consistent moisture during establishment and protect young plants from physical damage.

Flowering and Maturity: Amur cork trees develop slowly into large, spreading ornamental trees. Mature plants can produce small flowers followed by dark fruits, while the characteristic corky bark becomes increasingly prominent with age.