Paulownia trees

Can any species of paulownia be used as charcoal?


Is true that paulownia leaves are good fodder for lives stock? 


Are Paulownia trees invasive?

There are between 9 and 23 species of Paulownia. Only one of these, the Paulownia tomentosa, is on the invasive species list.Because the seeds of Paulownia tomentosa have strong vitality, they can be reproduced by flying seeds.

All Paulownia are prolific seed producers. However, the seeds are extremely hard to germinate – except under very rare conditions.

Paulownia does not have a detrimental impact on the environment. Quite the opposite. The tree’s natural ability to fix nitrogen and its nectar-rich flowers enhance rather than detract from the environment.

Our hybrids(No.3 Shan Tong and No.4 Shan Tong) are the new generation of artificial-crossing type Paulownia which cultivated through 11 years of research. They are non-invasive and cannot reproduce by seed flight. Reproduction is only possible a-sexually.This has been proven.

Shan Tong is the newest and best fine paulownia variety in China, which takes on the following advantages compared with other Paulownia species: fast growing rate, strong resistance to disease and insect pest, strong resistance to drought and cold, large timber output, good material quality, large areas of land saving, wide range of adaptability, strong renewal ability and etc.

Is there a market for Paulownia trees?

Thanks to the special characteristics of the tree species, Paulownia wood is becoming an increasingly popular alternative to tropical woods. This is due to its low weight, low flammability and its very high bending strength and static stability. The demand for this wood is increasing not only in the sports industry, but also in the production of musical instruments and furniture.

The growth of the trees also means that the amount of wood is constantly increasing. A mass increase of 10-15% per year can be expected.

Are Paulownia toxic to animals?

Paulownia is very high in protein and safe for animals. Enriched in nutrients, paulownia leaves and flowers were good fodder for pigs, chicken, sheep, cattle and rabbits and so on. Results indicated that there were no any symptom of toxicity appeared.

However you will need to protect the trees with fencing from the horses or cattle until the tree reaches a good height so the animals do not destroy the growth of the tree by eating the terminal bud out.

How tall will Paulownia grow and how deep do the roots go?

Paulownia is the fastest-growing tree in the world. A hardwood, it can grow 10-20 feet in its first year and reaches maturity within 10 years.

Depending on variety and soil conditions Paulownia can reach between 50 to 70 feet. Paulownia has a deep tap root of up to 45 feet.

What is the lifespan of Paulownia?

Paulownia is one of the oldest recorded trees in China. The USA has some Paulownia that dates over 200 years old.

What is Paulownia wood used for?

Due to the unique technical properties of wood, there are many possible applications. It is very light, extremely durable, resistant and flame retardant.

The wood already has a wide range of possible applications today. It is already being used for extremely durable sports equipment, musical instruments, furniture construction, and boat interiors.

Is Paulownia rot resistant?

Rot Resistance: Reported to be durable regarding decay resistance, with decent weathering characteristics, though susceptible to insect attack. Workability: Given its straight grain and light weight, Paulownia is extremely easy to work.

Can Paulownia be grown in wetlands?

Paulownia will not tolerate wet or low land or standing water for long periods of time.

Is Paulownia wood waterproof?

Paulownia Timber is: Featherweight (260-290 kg per cubM) Waterproof and bouyant. Strong and stable.

What is the highest altitude my trees can withstand?

Paulownia will not tolerate an altitude higher than 2200 feet for successful fast growth during one season.


What is the technical preparation for Paulownia forest management?

Before the establishment of a Paulownia plantation, in addition to other preparations such as the preparation of forestry funds and the preparation of production materials, the pre-preparation work for the Paulownia forest cultivation technology is the technical preparation of the Paulownia forest. It is an important part of the Paulownia forest management plan before forest management. The full completion of this work will directly affect the quality of future forest management.

What are the main contents of the technical preparations for Paulownia forest management?

According to the biological and ecological characteristics of Paulownia, the technical preparation before Paulownia forest management has become the key to determining the success or failure of afforestation and whether it can achieve fast-growing and high-yield Paulownia. Its main contents include: general conditions suitable for Paulownia growth, technical input in the process of intensive cultivation of Paulownia, selection of Paulownia afforestation land, selection of Paulownia forest species, selection of Paulownia varieties, selection of Paulownia seedlings, Paulownia afforestation density, Paulownia afforestation configuration methods, etc. .

How are the different paulownia plantations related to the growth of Paulownia?

The afforestation land of Paulownia is mainly divided into two types: mountainous area and plain area. Under the general conditions for Paulownia to grow, and the site conditions are different, the growth rate is obviously different. According to the characteristics of Paulownia, the reasonable choice of afforestation land is related to the quality of afforestation and the technical key to whether the fast-growing characteristics of Paulownia can be fully utilized.

What is the relationship between Paulownia and the environment?

The relationship between Paulownia and the environment is a dialectical and unified relationship. The energy and substances required for the growth of Paulownia depend on the surrounding environment. Once you understand the relationship between Paulownia and the environment, you can adjust, control, and try to improve the environment. Conditions to meet the environmental requirements of different Paulownia varieties, better cultivate Paulownia, tap the potential of Paulownia for fast-growing and high-quality, give full play to the ecological benefits of Paulownia, and create more material wealth for the society.

Why pay attention to Paulownia afforestation technology?

Paying attention to Paulownia afforestation technology is a fundamental measure to improve the quality of Paulownia afforestation, increase the output of Paulownia wood, and reduce the production cost of Paulownia. Only by mastering the paulownia afforestation technology can we create external conditions conducive to the survival and growth of forest trees under artificial control, and achieve the goals of fast growth, high yield and high quality.

Why do young Paulownia forests need to be protected?

Paulownia is quite different from other tree species. Its young tree bark is very thin, it is difficult to heal after damage, and affect the material. It is susceptible to freezing damage and sunburn. The bark rots and wing cracks are not easy to heal after damage, which seriously affects the normal development of the tree. Therefore, strengthening the protection of Paulownia young forests with correct protection methods is an important task in the management of Paulownia plantations.

Does paulownia also have irrigation techniques?

Paulownia needs to consume a lot of water during the growth process, but different growth periods have different water requirements. Properly mastering the paulownia irrigation method can significantly increase the volume growth of paulownia

Do Paulownia plantations need fertilization?

Paulownia is very sensitive to soil fertility. Scientific fertilization in accordance with the annual growth and development of Paulownia is an effective measure to reduce production costs, promote early growth of Paulownia young forests, increase Paulownia growth, and shorten the age of Paulownia.

Why does paulownia plantation need to be cultivated and weeded?

Overgrown weeds are very unfavorable to the growth of young paulownia forests, especially in mountainous areas where root-buried afforestation has a greater impact

What is thinning of Paulownia?

Tending and thinning of Paulownia is also called intermediate harvesting or thinning. It is to periodically and repeatedly cut part of the immature Paulownia forest after the paulownia has grown into the forest until the main felling, so as to create good living conditions for the reserved Paulownia forest and promote retention.

The growth and development of the wood, and the thinning of the paulownia wood can be formed into an operation that can be fully utilized as a commodity. Its main task is to adjust the density of forests in a timely manner, improve the quality of forests, wood yield and wood utilization, and enhance the overall resistance of the Paulownia forest.

Why should we pay full attention to the pests and diseases in the process of Paulownia forest management?

Pests and diseases are the main enemies of the growth of Paulownia, which can affect the normal growth of Paulownia, and cause the death of the whole plant. In order to cultivate fast-growing, high-quality and high-yield Paulownia forests, especially pure paulownia forests with higher intensiveness, higher density and higher yields, timely prevention and control of diseases and insect pests will run through the entire process of Paulownia forest management, which is one of the Paulownia forest management processes. Extremely critical technical measures

What are the main pests and diseases that harm Paulownia?

The main pests that harm Paulownia are underground pests, that is, various pests that harm the roots and stems of paulownia; leaf-eating pests, that are pests that harm the leaves of paulownia; branch pests, that are pests that harm the stems of Paulownia. The main diseases are Paulownia witches’ broom disease and so on

What aspects of paulownia will be affected by land preparation for afforestation?

Land preparation before afforestation is an important working procedure to improve environmental conditions (mainly the soil conditions) in the paulownia afforestation land, which requires higher specification and quality than farmland preparation. Comprehensive improvement of the site conditions will not only enhance survival rate and growth of the paulownia forest, but also increase the growth quantity of paulownia sapling forest. The practice showed that timber output is greatly influenced by relevant matters (do or do not, careful or careless, time and method) concerning land preparation, where there will be a 1-3 times difference on timber volume per hectare. Therefore, preparing land before afforestation in correct, careful and timely manners plays an important part in improving survival rate, promoting growth of sapling forest and realizing fast-growing and high-yield of paulownia artificial forest, particularly for afforestation in mountain areas.

What are the basic factors affecting Paulownia growth?

China has a vast territory, a variety of natural and geographical conditions and climate types. Proper understanding of the basic conditions for optimum growth of paulownia is the most basic requirement in the artificial cultivation of Paulownia. These basic conditions include: temperature, light, rainfall, air humidity, wind and other climatic conditions, soil texture, physical properties of soil moisture, soil nutrition, soil pH, soil salt content and other soil conditions, as well as the groundwater level, the altitude and other site conditions.

How to purchase the seedling

Shipping time

In accordance with harvest seasons for seedling and fecund root, annual shipping time is fixed in November to December of the current year and March to April of the next year.

Order in advance

Each year, we produce seedlings and fecund roots on the basis of pre-production order quantity. Besides, we’ll produce extra seedlings and fecund roots out of the plan to meet the demands of customers purchasing for the first time. Quantity of such seedlings and fecund roots is limited, so you have to order in advance. Generally, orders shall be made before September of the current year if you want to get the quantity in need. Goods are subject to availability. The Order Contract shall be signed (through scanned copies of e-mail) along with payment of deposit (30% of the total amount of payment).

Paulownia import license

An import license is required for some countries to purchase paulownia. In order to successfully pass through the customs clearance in their own countries, buyers of such countries shall send original copy and scanned copy of the paulownia import license to us before shipment.

Transportation mode

In order to ensure the safety of the goods and to minimize transportation costs, it’s beater to use air transport for Paulownia seedlings and afforestation seminal root.

Packing of goods

Plants are living things. In the transportation process, seedlings and container fecund roots of paulownia also need air. In order to provide cargo with relatively good environment and in light of packing requirements for different transportation modes, paper box with air vents shall be used for packing of the aerial transport and woven bag with good air permeability shall be used for packing of ship transport.

Cargo shipment

Due to requirements of customs and paulownia itself, freshly picked seedlings and fecund roots could not ship out directly. They could be packed for shipment only by the time when having passed a series of technical disposal procedure. We’ll not start such procedures until having received all payments for goods. Therefore, please make the remittance as soon as possible when receiving our remittance note, by which will ensure timely goods delivering and security of cargo shipment.

Volume and weight of the cargo

Volume and weight of the seedling and container fecund root change along with size of their specification. Before the shipment, we’ll inform buyers immediately right after obtaining the exact data on volume and weight. When receiving our notice, buyers shall pay the total amount of transportation expenses to us as soon as possible. We’ll make immediate delivery right after receiving the scanned copy of bank transfer order from buyers. When the cargo shipped out, we’ll inform the consignee at once and send relevant documents to the consignee by international express.

Here are a set of data for reference: For 1,000 seedlings in medium specification, the volume is about 0.4m³ and the weight is about 80 kg; For 1000 container fecund roots, the volume is about 0.025 m³ and the weight is about 10 kg.

Price and transportation cost

There are different prices for various paulownia products and quantities. For different countries, the transportation costs will be different as well. Please send us e-mail for details of price and transportation cost.

Methods of remittance

Settlement shall be done by U.S. dollar or other international common currency in the modes of telegraphic transfer.

How to recognize the pure Shan Tong saplings

All of the Shan Tong seedlings would be processed and maintained freshness strictly before delivering. The superficial color of Shan Tong seedlings, which after a series of procedures, is red. This professional postharvest technique owned by Weinan Research & Promotion Center for High Resistance Paulownia exclusively. It’s very difficult for people to imitate this professional postharvest technique because of its complicated and advanced technology. To be clearly, pure Shan Tong is the one which color in red, maintain fresh and no affected by bacteria.