Paulownia tomentosa
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Paulownia tomentosa is a deciduous tree and part of the Paulowniaceae family of plants. It is native to western China. They also call it the Princess Tree, Royal Paulownia, Empress Tree, or Foxglove Tree.

The name is in honor of Princess Anna Paulowna (1795-1865), of Russia. Tomentosa refers to soft hairy leaves.

It is a fast-growing tree that grows to 82ft or 25m. The foliage is large, opposite, and heart-shaped. It is slightly hairy above and very hairy underneath. The flowers appear before the leaves, in spring. They are tubular, purple, and very fragrant. The fruit is a capsule and it is egg-shaped. It flowers on old wood. After flowering, it produces winged seeds that are spread by the wind.

Paulownia tomentosa
Paulownia tomentosa

How to grow Paulownia tomentosa:

Sunlight: Plant Paulownia tomentosa in a location that receives full sun. It thrives in bright sunlight and will ensure healthy growth and development.

Soil: While Paulownia tomentosa is adaptable to different soil types, it prefers sandy, loamy, and well-drained soil. Good drainage is important to prevent waterlogging, which can lead to root rot. If the soil in your area is heavy or clayey, you can improve it by adding organic matter such as compost or well-rotted manure.

Watering: Once established, Paulownia tomentosa is relatively drought-tolerant. However, during the first couple of years after planting, it’s important to provide regular watering to help the tree establish a strong root system. Water deeply but infrequently to encourage deep root growth.

Pruning: Pruning can be done to shape the tree or control its size. If you want to cultivate Paulownia tomentosa for its leaves, hard pruning can be done in late winter or early spring, cutting back to the trunk or even ground level. This stimulates vigorous new growth and the production of large leaves. However, keep in mind that heavy pruning may result in the tree not flowering that year, as the flowers typically grow on older wood.

Fertilization: Paulownia tomentosa generally doesn’t require heavy fertilization. However, if you want to promote faster growth and improve overall vigor, you can apply a balanced fertilizer in early spring. Follow the package instructions for the appropriate dosage.

Paulownia tomentosa
Paulownia tomentosa

Mulching: Applying a layer of organic mulch around the base of the tree helps retain moisture, suppresses weed growth, and regulates soil temperature. Use organic materials like wood chips or shredded bark and spread it around the root zone, leaving a small gap around the trunk to prevent moisture buildup.

Disease and Pest Control: Paulownia tomentosa is generally disease-resistant and not commonly affected by pests. However, like any plant, it can occasionally face issues such as leaf spots or aphid infestations. Regularly inspect the tree for any signs of pests or diseases, and if necessary, treat them with appropriate organic or chemical controls.

Winter Care: Paulownia tomentosa is hardy in USDA zones 5 to 9. In colder regions, protect young trees during harsh winters by wrapping the trunk with burlap or using tree guards to prevent frost damage. Mulching around the base of the tree can also help insulate the roots.

By following these guidelines, you can successfully grow and care for Paulownia tomentosa, enjoying its rapid growth, attractive foliage, and occasional ornamental flowers. Remember to provide proper sunlight, well-drained soil, regular watering during establishment, and occasional pruning to shape the tree to your liking.

Paulownia tomentosa
Paulownia tomentosa

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