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Flixweed
Also known as: Fine-leaved tansy-mustard
Flixweed (Descurainia sophia) is an aggressive groundcover native to Asia but considered noxious in the Americas and other regions where it's been introduced. When it bears seeds, any slight agitation can send them flying off at high speeds in every direction. Flixweed can grow in areas where little else can, like on piles of gravel and sterilized soils.
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Late summer, Early fall
Harvest Time
10 cm to 76 cm
Plant Height
Green
Leaf Color
5 mm
Flower Size
Yellow, Green
Flower Color
Deciduous
Leaf type
20 - 35 ℃
Ideal Temperature

Images of Flixweed

Distribution of Flixweed

Distribution Map
Flixweed is widespread across several continents, both as native flora and as an introduced species. In its native range, flixweed spans across Europe, parts of Asia, and North Africa. It is integrated into various ecosystems including temperate and Mediterranean climates. Outside of its native territory, flixweed has established a presence in parts of South America and East Asia. In these introduced regions, flixweed is sometimes thought to be competitive with local plant life and may have an impact on ecosystems, particularly in agricultural and disturbed lands. However, flixweed is not typically described as a plant that notably disrupts ecosystems.
Native
Cultivated
Invasive
Introduced
No species reported
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Habitat
Waste ground and roadsides
Hemisphere Trend Curve

Toxicity

Flixweed is moderately toxic to humans, cats, and dogs. Ingestion of any part of the plant can cause gastrointestinal issues like nausea, vomiting, and diarrhea, and neurological symptoms in humans. Cats and dogs may exhibit signs of distress, such as vomiting and lethargy. Immediate medical or veterinary care is crucial if ingestion occurs.
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RELATED: Toxicity of Flixweed

Weed Control

Flixweed is a plant that originates from Eurasia, associated mainly with regions in the east, such as East Asia. As a weed, flixweed has several characteristics that make it a nuisance in gardens and farms. Its ability to produce a massive number of seeds, up to 26,000 per plant, allows it to rapidly invade and overtake an area. This propagation potential, coupled with its quick maturation, makes it highly invasive. Moreover, its hardiness in various environmental conditions increases its spread and invasiveness. The weed can displace native species, hindering garden growth and farm productivity. Flixweed is particularly harmful due to its extreme adaptability and persistence, reducing crop yields and impeding cultivation. The seeds of flixweed can also contaminate grain seeds, causing issues in both raw grain markets and processed food industries. The plant's primary method of dispersal is through wind, but it can also spread via water, animals, and human activities. Small seed size and buoyancy enable it to be carried over long distances, further encouraging its rapid and broad spread.
How to Control It
The best season for removing flixweed or Flixweed is between late spring and early summer, before the plant starts to flower and set seeds. This preventive measure helps to reduce the weed's overall reproduction and spread. Here are a few methods for controlling this plant:
  1. Hand-Pulling: This method works best for smaller infestations. Always wear gloves and pull the plant gently from the roots to ensure no part remains in the soil.
  2. Solarization: This is an organic method that uses the sun's heat to kill weeds. Water your garden to a depth of about 12 inches then cover the area with a clear plastic sheet. Seal the edges with soil and leave it for 4 to 6 weeks.
  3. Smothering: Spread a thick layer of organic matter such as straw or wood chips, around your plants. This will prevent light from reaching the weeds, slowing their growth and eventually killing them.
  4. Biological Control: Certain insects and animals such as sheep or goats can eat these weeds and control their spread. However, care must be taken to balance the ecosystem.
  5. Vinegar: Apply household vinegar directly onto the weed's foliage. The acidity will burn and kill the weed. Note that this method is non-selective and may harm desired plants.
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Care Guide for Flixweed

Every week
Water
Full sun
Sunlight
20 - 35 ℃
Ideal Temperature
Water: Flixweed, native to arid regions, thrives in dry conditions and is drought-tolerant. It requires minimal watering, typically once a week, and prefers well-draining soil to mimic its natural habitat. This species is best grown outdoors, benefiting from its resilience.
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