Top 20 Most Common Weeds in China

China's diverse climates, from subtropical in the south to temperate in the north, provide fertile grounds for various garden weeds to flourish. Among these, Tapa cloth tree, Pokeweed, and Common purslane are notably pervasive, often outcompeting domestic flora. These weeds present a significant challenge for gardeners and landscape managers seeking to maintain balanced and healthy ecosystems. Regular and strategic interventions are essential to mitigate the spread of these aggressive species.

Most Common Weeds

1. Tapa cloth tree

Another name for tapa cloth tree (Broussonetia papyrifera) is paper mulberry. Ancient Austronesian peoples used the inner bark of tapa cloth tree to make clothing, a practice that continues among some Pacific peoples. This inner bark is also used to make high-quality paper in China and Japan.

Growth Rate:

Rapid

2. Pokeweed

Although its berries look juicy and tempting, the fruits and the root of pokeweed are toxic and should not be eaten. Pokeweed is considered a pest species by farmers but is nevertheless often grown as an ornamental plant. Its berries can be made into pokeberry ink as well.

Growth Rate:

Rapid

3. Creeping woodsorrel

Creeping woodsorrel (Oxalis corniculata) is a flowering herb which grows aggressively. The leaves have a lemony flavor and are often made into tea that's rich in vitamin C. However, if ingested in large amounts the oxalic acid for which the genus is named can begin to block the body's calcium absorption.

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4. Common purslane

Portulaca oleracea, colloquially known as common purslane, is an annual succulent species with reddish stems and tiny yellow, five-petal flowers. It is used for culinary purposes in various parts of the world, most often raw, in salads. Common purslane is also a good companion plant for crops that thrive in moist soils.

Growth Rate:

Rapid

5. Mock strawberry

Often confused with true strawberries, the mock strawberry leaves, growth, and fruit is similar in appearance. While the mock strawberry is edible, it generally lacks flavor compared to true strawberries.

Growth Rate:

Moderate

6. Horseweed

Horseweed is a North American herbaceous annual plant with a hairy stem, numerous pointed leaves, and waxy inflorescence. It has been naturalized in Eurasia and Australia, where it is a common weed in urban and agricultural regions. Horseweed can be used in a survival situation to start a friction fire.

7. Shepherd's purse

Shepherd's purse (Capsella bursa-pastoris) is native to Eastern Europe and Asia minor. Having spread and become naturalized around the world, this herbaceous plant is typically considered a weed. Shepherd's purse is considered a "protocarnivore" because it attracts nematodes (small worms in the soil) and poisons them with its seeds. By eliminating nematodes, this plant enriches the surrounding soil.

Growth Rate:

Moderate

8. Birdeye speedwell

Birdeye speedwell (Veronica persica) is a plant species native to Eurasia. It has been introduced all over the world, but is generally considered to be a weed because it can adversely affect soil health. The fruit of the birdeye speedwell is roughly heart-shaped, with two lobes that angle away from each other.

9. Black nightshade

Black nightshade (Solanum nigrum) is a highly toxic plant and caution should be exercised around this plant. It's said that black nightshade fruits can technically be consumed if they are fully ripe and properly cooked and prepared. Generally though, due to the danger they present, no one would ever want to try to eat this plant.

10. Shaggy soldier

A member of the daisy family, Galinsoga quadriradiata can be an invasive weed that is especially harmful to organic crops. The sticky seeds can hang on to livestock and people, creating an additional nuisance. Each plant can produce over 7000 seeds, and it can reduce crop production by up to half.

11. Water hyacinth

Water hyacinth (Eichhornia crassipes) is a fast-growing flowering plant species with ovular, waxy leaves. Water hyacinth is listed as a federal noxious weed in the United States. This species is invasive to ponds, lakes, rivers and other wetland habitats. It forms dense, floating mats of vegetation that restricts light to underwater environments.

Growth Rate:

Rapid

12. Asiatic dayflower

The asiatic dayflower is an annual creeper that is classified as an invasive species in many areas. Known for its beautiful blooms that only last one day, the asiatic dayflower has spread throughout much of the world. It is used in Japan and China to create blue and green pigments.

Growth Rate:

Rapid

13. Common sowthistle

Common sowthistle is a common weed originated in Europe and West Asia. Alongside many sister species that hard to distinguish, it is considered to be an invasive plant in many parts of the world. Its leaves with some bitter taste are editable either green as a part of a salad or cooked in various ways.

14. Green foxtail

Green foxtail (Setaria viridis) is a summer annual grass that is considered a weed of crops, turf, landscapes and nurseries. It produces a seed head with fringed bristles that resembles a fox’s tail. Grows in full sun and poor, disturbed soil types. Attracts a variety of insects and birds, as well as squirrels, mice and other small animals.

15. Pink woodsorrel

Pink woodsorrel (Oxalis debilis) is a flowering herb that can now be found on every inhabited continent. All the parts of pink woodsorrel are edible, but only in small amounts due to the presence of oxalic acid. The flavor is zesty and similar to lemon. This species can become a weed if not adequately controlled.

16. Oriental false hawksbeard

Oriental false hawksbeard (Youngia japonica) is a plant species native to eastern Asia. The oriental false hawksbeard grows throughout regions all over the globe, and is considered an invasive weed. This species grows especially well in disturbed areas, lawns, and roadsides.

Growth Rate:

Rapid

17. Lambsquarters

Lambsquarters has many other names, including pigweed, goosefoot, and bacon weed. This plant seems to appear out of nowhere and is considered by many to be a pesky weed. However, the greens of this plant are edible, can be prepared similar to spinach, and are packed with nutrients.

Growth Rate:

Rapid

18. Velvetleaf

Abutilon theophrasti is named after the Greek botanist Theophrastus, who was a successor of Aristotle. The velvetleaf is now considered to be an invasive species in many places of the world and is especially dangerous for corn and soybean crops. When left unmanaged, the velvetleaf can create 100s of millions of dollars in damage for farmers.

19. Creeping thistle

This aggressive weed spreads across grasslands and fields via underground roots that creep horizontally, some for more than 5 m. It can cause major problems to agriculture if its growth is left unchecked. Its seeds feed many birds as well as pest insects. Creeping thistle is generally considered a noxious weed even in its native territory.

Growth Rate:

Rapid

20. Goosegrass

When there is a famine or a lack of food, the seeds of goosegrass are eaten. This agricultural weed is utilized for cultivated crops, animal feed, and golf courses. It is classified as an environmental weed in various nations. Some Asian countries employ parts of this plant as herbal medicine.

Growth Rate:

Rapid

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