Sapphire dragon tree (Paulownia kawakamii)

Sapphire dragon tree

Sapphire dragon tree is a deciduous tree celebrated for its rapid growth and large, heart-shaped leaves. Resilient and tolerant of polluted urban conditions, this tree thrives in full sunlight and well-drained soils, towering with straight trunks and spreading branches. In spring, sapphire dragon tree graces landscapes with showy, lavender-tinged blooms that precede the emergence of its foliage.

Scientific classification

Species

Sapphire dragon tree (Paulownia kawakamii)

Mints plantains olives and allies

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Perennial

Lifespan

Tree

Plant Type

10 m

Plant Height

20 - 41 ℃

Ideal Temperature

Distribution of Sapphire dragon tree

Distribution Map

Sapphire dragon tree is native to the temperate regions of East Asia. Over time, it has been introduced and cultivated in various parts of the world. Its presence extends significantly beyond its original range, notably in areas with similar climates, such as other regions in Asia as well as in parts of the Southern Hemisphere.

Native

Cultivated

Invasive

Introduced

No species reported

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Culture

Interesting Facts

In Japan, it is said that if you give birth to a daughter, the family should plant paulownia at the door of their house. When their daughter gets married, they use the paulownia tree wood to make furniture for her dowry.

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Quickly Identify Sapphire dragon tree

Heart-shaped, 5-lobed leaves with softly hairy texture.

Large, round, brown buds on branches in fall.

Pale lilac-blue flowers in terminal panicles before spring leaves.

Rapid growth to heights of 25 to 35 feet (7.6 to 10.7 meters).

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Care Guide for Sapphire dragon tree

Every 1-2 weeks

Water

Full sun

Sunlight

20 - 41 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Sapphire dragon tree is a deciduous tree from humid regions, thriving in moisture-rich environments yet tolerant to drought. It maintains a balance in water intake and evaporation, requiring watering every 1-2 weeks. It sheds leaves during dry seasons to conserve water, showcasing adaptive traits.

Fertilize: For healthy growth, sapphire dragon tree requires balanced fertilizers (10-10-10) with added high-nitrogen during active growth, every 4-6 weeks. Reduce for younger plants and avoid during dormancy. Monitor seasonal needs, watering before and after fertilization for better nutrient absorption.

Pruning: Sapphire dragon tree has large, heart-shaped leaves and grows rapidly. Prune in early spring to promote new growth, remove damaged wood, and improve air circulation. Regular pruning enhances its appearance and development, ensuring a thriving, healthy plant with proper techniques and timing.

Propagation: Sapphire dragon tree, a fast-growing ornamental tree from East Asia, features lavish purplish flowers and large heart-shaped leaves. It propagates easily through healthy semi-hardwood cuttings treated with rooting hormone, requiring well-draining soil and partial shade until established. Regular pest monitoring fosters vigorous growth.

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