Should I pull up Japanese knotweed 

People ask Should I pull up Japanese knotweed? No, you should not pull up Japanese knotweed Pulling up the plant can cause more harm than good as it can lead to the spread of the plant through small fragments of its extensive root system (rhizomes). Even a tiny piece of the rhizome can regenerate into a new plant, creating new infestations and making the problem worse.

Japanese knotweed is highly invasive and has an aggressive growth pattern, making it difficult to control by simple manual removal. If you have Japanese knotweed on your property or come across it elsewhere, it’s best to follow these guidelines:

  1. Consult a Professional: Contact a qualified specialist or an invasive plant management professional. They have the necessary expertise and knowledge to handle Japanese knotweed effectively and safely.
  2. Site Survey: The specialist will conduct a site survey to assess the extent of the infestation and determine the best course of action.
  3. Management Plan: Based on the survey results, the professional will develop a tailored management plan, which may involve chemical treatment, excavation, or a combination of methods.
  4. Chemical Treatment: If chemical treatment is part of the plan, licensed professionals will apply herbicides specifically designed for Japanese knotweed control at the appropriate time in the plant’s growth cycle.
  5. Excavation and Disposal: In certain cases, excavation may be necessary, especially when the knotweed is close to structures or infrastructure. The excavated material must be disposed of properly at a licensed landfill site.
  6. Monitoring and Follow-Up: After treatment, continuous monitoring is essential to ensure that the knotweed does not return. Multiple treatments over several years may be required to completely eradicate the plant.

It’s crucial to engage a professional with experience in dealing with invasive plants like Japanese knotweed. DIY attempts to remove knotweed can lead to unintended consequences and legal issues, as well as the potential for further spread of the plant. Proper management by experts is essential to effectively control Japanese knotweed and prevent its impact on the environment and property.

Dilemmas with Pulling Knotweed

  1. Root System Depth: Knotweed has an extensive and deep root system. When you attempt to pull it up, any remnants of roots left behind can potentially regrow.
  2. Spread Risk: The physical process of pulling can break the plant’s rhizomes (underground stems). These broken pieces can lead to the growth of new plants, exacerbating the invasion.
  3. Disposal Difficulties: Many regions classify Knotweed as controlled waste due to its invasive nature. This means that the typical garden waste route might not be available for its disposal.

Recommended Actions if Knotweed is Growing in Your Garden

  1. Avoid Disturbance: Refrain from mowing, cutting, or pulling up the Knotweed. Disturbing the plant can lead to further spread.
  2. Professional Consultation: Given the complexities associated with Knotweed removal, it’s advisable to consult with specialists. They can provide guidance on effective eradication methods.
  3. Chemical Control: Herbicides can be effective against Knotweed, but they must be applied carefully and according to label instructions. Again, consulting with professionals is recommended before taking this route.
  4. Barriers: Installing root barriers can help limit the spread of Knotweed. While this doesn’t eradicate the plant, it can offer some containment.
  5. Long-term Monitoring: Knotweed is resilient. Even after you believe it’s been removed, monitoring your garden for regrowth is crucial.

While the instinctive response to an unwanted garden intruder like Knotweed might be to pull it out, the reality of its invasive nature necessitates a more measured approach. Effective Knotweed management demands patience, persistence, and, often, professional guidance to ensure both the plant’s removal and the preservation of the surrounding ecosystem.

Japanese Knotweed Plus Ltd: Comprehensive Solutions for Invasive Plant Problems

Japanese Knotweed Plus Ltd is a dedicated firm specializing in the management and eradication of invasive species, particularly Japanese Knotweed (Fallopia japonica). If you’re grappling with this stubborn intruder on your property, here’s what the company can offer:

Expert Consultation

  1. Site Inspection: Their team of experts will visit your property to conduct a thorough inspection, identifying the extent of the infestation.
  2. Identification Services: Unsure if it’s Knotweed? They can help in identifying and distinguishing it from other similar-looking plants.

Tailored Eradication Plans

  1. Herbicide Treatment: Utilizing approved herbicides, they can treat the Knotweed over a period, ensuring its systematic eradication.
  2. Excavation Services: For severe infestations or when quicker results are needed, they offer excavation services, physically removing the Knotweed and its extensive root system.
  3. Root Barrier Installation: To prevent the spread or return of Knotweed, they can install root barriers that limit the plant’s growth.

Post-Eradication Services

  1. Monitoring: Japanese Knotweed has a reputation for resilience. Post-eradication, the company offers monitoring services to ensure no regrowth occurs.
  2. Site Rehabilitation: After removal, they can assist in rehabilitating the area, suggesting and planting native species to restore the landscape.
  3. Guarantees: Many firms, like Japanese Knotweed Plus Ltd, offer guarantees on their work, ensuring peace of mind for property owners.

Knowledge and Education

  1. Awareness Workshops: They can provide information sessions or workshops, educating property owners, businesses, and municipalities on the dangers of Knotweed and other invasive species.
  2. Prevention Tips: Learn how to prevent the introduction or reintroduction of Knotweed on your property.

Regulatory and Compliance Assistance

  1. Documentation: Post-eradication, you’ll receive documentation stating that your property is Knotweed-free, which can be crucial for real estate transactions or regulatory compliance.
  2. Disposal Guidance: Given the controlled status of Knotweed waste, they ensure safe and compliant disposal.


Japanese Knotweed Plus Ltd offers a holistic approach to tackling the pervasive problem of Japanese Knotweed. By enlisting their services, you’re not just removing an invasive plant but also restoring balance to your property and ensuring it remains free from future infestations.