Hardy rubber tree - Eucommia ulmoides (Care, Characteristics, Distribution, Images)

Hardy rubber tree

Also known as: Chinese rubber tree

Hardy rubber tree (Eucommia ulmoides) is a rubber tree native to China that may be extinct in the wild. It is commonly cultivated as a shade tree, valued for its glossy leaves and low susceptibility to disease or insect-related problems. This particular species is not good for commercial rubber production, but has a valued place in traditional Chinese culture.

Scientific classification

Species

Hardy rubber tree (Eucommia ulmoides)

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Tree

Plant Type

Mid spring

Bloom Time

20 m

Plant Height

8 m to 11 m

Spread

Green

Leaf Color

2.5 cm

Flower Size

Green, White, Yellow

Flower Color

Deciduous

Leaf type

5 - 32 ℃

Ideal Temperature

Images of Hardy rubber tree

Distribution of Hardy rubber tree

Distribution Map

Hardy rubber tree is indigenous to temperate regions of East Asia and has been cultivated extensively outside its native range. This plant thrives in various environments and has been introduced to parts of Eastern Europe, the Caucasus region, and East Asia. Due to its adaptability, hardy rubber tree is now considered naturalized in some areas beyond its original habitat.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

Mountainous regions, lower mountains, valleys, sparsely forests

Hemisphere Trend Curve

Northern

Sorthern

Quickly Identify Hardy rubber tree

Smooth, gray bark with deep ridges and furrows, 1-2 inches (2.5-5 cm) thick.

Leaves: glossy green, oblong-ovate, 3-8 inches (7.5-20 cm) long, exude rubbery latex when torn.

Winged seeds in papery samaras, 1-1.5 inches (2.5-3.8 cm) long, aiding in wind dispersal.

Male flowers clustered, no petals; female flowers solitary, 1/8 inch (3 mm) diameter.

Robust trunk up to 65 feet (20 meters) tall, lacking terminal bud; thick, moderately branching stems.

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Care Guide for Hardy rubber tree

Every 2 weeks

Water

Full sun

Sunlight

5 - 32 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Hardy rubber tree originates from central China and is drought-tolerant, storing water efficiently. Water once every two weeks to mimic natural hydration. As an outdoor plant, it optimizes water uptake during the rainy season, promoting growth and resilience in dry conditions.

Fertilize: Hardy rubber tree requires balanced nutrition fertilizer in spring and summer for growth. High nitrogen fertilizers boost early leaf development. Fertilize monthly at half-strength, reducing in autumn. Distribute evenly around the drip line and water after application to enhance absorption. Adjust based on soil tests and growth stage.

Pruning: Hardy rubber tree thrives with careful pruning in early spring to remove dead branches, promote airflow, and encourage growth. Thinning the canopy and shaping support its structure, while clean tools prevent disease. Proper timing and precise cuts are essential for the plant's vitality and health.

Propagation: Hardy rubber tree is a deciduous tree prized for its medicinal bark. It propagates well through sowing, requiring a well-draining medium, consistent moisture, and shallow depth for germination. Enhancing soil fertility with organic matter supports healthy seedlings, which should be handled gently during transplantation.

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