Phone Issues- Temporary Number

Due to a change in our telecoms provider, our phone numbers are not working properly. We can be reached on 01383 324 335 or 0131 441 7955. If in doubt, email us on

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Weed control at home

We are often asked, “What is the best way to get rid of the weeds in my garden?”, so we’ve put together a shopping list for weed control products available on Amazon. Most of the products are relatively cheap since most people don’t want to invest a lot of money in weed control products. Please note, there are professional pesticide (herbicide) products for sale on Amazon. Please do not buy these unless you are a competent and qualified professional pesticide user.

Also, remember to store any pesticides and equipment in a safe and secure, dry, frost-free area away from children and pets.

For further advice on pesticide application and general weed control in your garden, follow the instructions on the product label or call us on 01383 416 556.

IWA. Getting to the root of the problem.




Look out for Japanese Knotweed & Giant Hogweed

Japanese Knotweed Edinburgh

Japanese Knotweed Edinburgh

The UK is bristling with stands of invasive species such as Japanese knotweed and giant hogweed. These non-native species can be found in almost any environment, be it a city centre or a secluded riverbank in the Scottish countryside.

The problems caused by non-native invasive species include structural damage to properties, a reduction in native species and large financial costs for control measures. One of the most important approaches to controlling the likes of Japanese knotweed is to avoid disturbing it and restrict access to the infestation. Most invasive weeds can be brought under control quickly and effectively if they have not been cut, burned, up-rooted or otherwise disturbed prior to the start of a professional treatment programme.

With summer underway, we can start invasive weed control programmes immediately. Get in touch to find out how we can solve your invasive species problem, call 01383 416 556 or message us here.

IWA. Expert treatment guaranteed.

Giant Hogweed- A Busy Summer

Giant Hogweed in Edinburgh

Giant Hogweed in Edinburgh

Warm weather and plenty of rain have created the perfect conditions for weeds to flourish this summer. Weed control treatments using herbicide have been difficult to plan due to the wet weather. Once treatments have been made, heavy rainfall has reduced the efficacy of treatments in some areas. We’ve been very busy…

It’s been a while since our last update on this site, however, our Twitter account and Facebook have been in regular use. Giant hogweed has been the main focus for us this summer as a result on many children being injured by this non-native weed in areas all across the UK. IWA’s business manager, Graham Rudd, was quoted in this¬†Giant Hogweed Daily Mail¬†article¬†and appeared as a guest on BBC Radio Scotland to talk about giant hogweed.

It’s great that the level of awareness is increasing regarding the damage giant hogweed can cause. Hopefully, the press coverage will lead to an increase in pressure on landowners and the spread of this weed will be brought under control. Legislation can be a useful tool against landowners that are reluctant to manage their giant hogweed infestations. Obviously, it’s best if people are proactive and actually want to limit the threat posed by giant hogweed on their land, however, it is sometimes necessary for local authorities to give people a nudge in the right direction by issuing a species control order.

CBBC’s Newsround has released a video to advise found people how to respond if they come in to contact with giant hogweed. They have also produced another video to explain about the dangers of this weed.

If you need expert advice on management of giant hogweed then call us on 01383 416 556.

IWA. Expert treatment guaranteed.


Giant Hogweed Causes Injuries

Giant Hogweed Treatment

Giant Hogweed Treatment

It’s that time of year when the UK’s largest herbaceous plant, Giant Hogweed (Heracleum mantegazzianum), is beginning to flower. The characteristic umbrella-shaped flower heads of Giant Hogweed can reach close to 1 metre in diameter! Given that the stems can grow to 5 metres tall, it is truly a menacing species, but the true menace lies within the plant. The plant’s phototoxic sap is the real threat to people. The sap causes severe chemical burns as a result of stripping the skin of its natural UV protection. The burns can develop in to huge blisters and leave permanent scars.

This week, the Daily Mail reported on a gardener who was seriously injured by Giant Hogweed. The full story can be found here.

What is being done about Giant Hogweed? Most commonly, herbicide treatment is being used to stop the spread of Giant Hogweed in areas such as riverbanks, roadways and footpaths. Unfortunately, due to the possibility that it may take many years of control to achieve eradication, very few people or organisations stay committed to ridding their land of this plant.

One of the pro-active groups that are continuing the fight against Giant Hogweed, despite funding cuts, is the Ayrshire Rivers Trust (ART). Since 2011, ART has been involved in controlling non-native invasive species from the waterways in Ayrshire. Invasive Weeds Agency have been proud to assist on as many waterways as possible. As a result of ART and their contractors hard work, there have been huge reductions in the infestations of Giant Hogweed, Japanese Knotweed and Himalayan Balsam.

This week, Invasive Weeds Agency has been busy controlling Giant Hogweed on a 13km stretch of¬†the River Garnock, from Dalry to Irvine. It’s great to be working for ART again and we look forward to eliminating all of the Giant Hogweed on the river before it seeds.

Got a weed but not sure which one? Download our app to find out. Android user? Get our app here.

IWA. Getting to the root of the problem.

IWA Offer Guarantee Backed by A-Rated Lloyd’s of London

Eradication of Japanese Knotweed Guaranteed

Eradication of Japanese Knotweed Guaranteed

Would you rather have a guarantee for Japanese knotweed eradication that is supported by an insurance policy from one of the world’s leading financial institutions or from a company nobody has ever heard of? Overwhelmingly, our clients choose our guarantees that are backed by A-Rated Lloyd’s of London.

The way it works is that IWA will successfully eradicate your Japanese knotweed problem. 100% of it. Then we will issue our guarantee that will be backed by a Llyod’s of London insurance policy. The guarantee and insurance will run for either 5 or 10 years, depending on what you need. During the guarantee period IWA will monitor the site to ensure that the treated areas remain free from Japanese knotweed. Some companies don’t monitor during their guarantee period. Why? It costs money. They’d rather make a few extra pounds than ensure that their clients get the service they deserve. That’s why we at IWA are different. We are with you from start to finish and we strive to offer the best service possible. And that’s the reason we chose Llyod’s of London insurance to meet our clients’ needs.

Need a trusted professional opinion on your Japanese knotweed or do you need a quote within minutes? Get in touch with our team NOW or call 0131 441 2953.

IWA. Expert treatment guaranteed.

IWA- Japanese Knotweed Experts at RICS Awards

IWA's Graham Rudd Presents RICS Award to Advocate's Close desginers, Morgan McDonnell Architecture

IWA’s Graham Rudd Presents RICS Award to Advocate’s Close designers, Morgan McDonnell Architecture

In addition to solving our clients’ Japanese knotweed issues across the UK, last¬†week Invasive Weeds Agency were privileged to attend¬†the RICS Awards Scotland where we sponsored the Regeneration category. The winner was Advocate’s Close in Edinburgh, and Morgan McDonnell Architecture received the award. It was great to be part of this prestigious event and the team¬†at RICS are a credit to their organisation.

We had the pleasure of meeting some fantastic folk, including our guest and Director of Go Construct, Gary Henney. Go Construct are an Edinburgh based principal contractor in the servicing, renovation and construction of residential and commercial properties so it was great to learn more about their projects and their company.

So what’s all this got to do with invasive weeds? Some of the award winners had to face up to the problems caused by invasive species such as Japanese knotweed and buddleia. Who did they appoint to ensure the successful eradication of the weeds? Invasive Weeds Agency, of course! We we carried out eradication work¬†on 2 of the winning projects long before the nominees were announced and we played a small part in their overall success. It makes you wonder if we would’ve been invited as guests had we not sponsored a category…

We have some very interesting projects in the pipeline and we look forward to a busy season of invasive weed eradication. We have also just completed a Japanese knotweed eradication job on the new Forth Crossing; another major project in which we are proud to have been involved.

If you are looking for expert advice on Japanese knotweed control and eradication then give us a call on 01383 416 556 or message us here.

IWA. Expert treatment guaranteed.




App for Help with Japanese Knotweed & Other Weeds

App for ID of invasive weeds

App for ID of invasive weeds

We are pleased to offer a free mobile app for help with identifying and managing invasive weeds such as Japanese knotweed, giant hogweed and Himalayan balsam. The app is available at the Google Play Store and an Apple version will be available soon.

‚ÄĘ Learn to identify weeds such as Japanese knotweed, Giant Hogweed & Himalayan Balsam at any time of year
‚ÄĘ Descriptions of weeds & why they are a problem
‚ÄĘ Top tips on what to do & what not to do.
‚ÄĘ Record sightings: Log info, GPS locations & images then directly message our experts for assistance.

This app explains how to identify weeds such as Japanese knotweed, Giant Hogweed and Himalayan Balsam. Each weed page has a gallery of I.D. pics throughout the 4 seasons, FAQs and tips on what to do and what not to do.

If you need further assistance from our weed control experts, simply report a problem by clicking ‘Record a Sighting’. Fill in the form and add a photo and GPS details using the built in map and then click send. Our team at Invasive Weeds Agency Ltd will be on hand to respond to your enquiries.

Invasive Weeds Agency’s contact details are within the app should you prefer to call or contact us through social media (01383 416 556).

Optimised for phone use. Tablet & Apple versions coming soon.

IWA. Getting to the root of the problem.

Japanese Knotweed ASBOs- Reform of anti-social behaviour powers

Allowing  Japanese Knotweed to Spread and Cause Damage Could Lead to an ASBO

Allowing Japanese Knotweed to Spread and Cause Damage Could Lead to an ASBO

The Government has reformed the The Anti-social Behaviour, Crime and Policing Act 2014 in a move to help in the fight against invasive plants such as Japanese knotweed.


What is the issue?

Japanese knotweed (Fallopia japonica), Giant hogweed (Heracleum mantegazzianum) and other invasive non-native plants pose a serious risk to native biodiversity in the UK. These non-native species deprive native plants of vital resources such as light and nutrients, leading to damage to the environment. Some non-native species can be destructive; damaging structures and hard surfaces. Others, such as Himalayan balsam (Impatiens glandulifera), exacerbate the problem of soil erosion beside watercourses because they die-off in winter and leave vast expanses of banking bare and susceptible to being washed away by high water levels.


How can the new powers be used to tackle invasive plants?

The community protection notice can be used against individuals who act act unreasonably in a way that has a detrimental effect on the quality of life of those in the¬†vicinity. Although the new powers are designed to be flexible, “the notice can be used to require someone to control or prevent growth of Japanese knotweed or other plants that are capable of causing serious problems to communities.”


Who is authorised to take action against offenders?

Local councils and the police will be be authorised to issue control notices for invasive weeds like Japanese knotweed.


What happens if the notice is ignored or not followed correctly?

Breach of the notice, without a reasonable excuse, would be a criminal offence.


What is punishment for breach of the notice?

A fixed penalty notice (fine of £100) or prosecution are possible outcomes. If convicted, an individual would face a level 4 fine (£2,500). An organisation, such as a company, would face a fine not exceeding £20,000.


I’ve got Japanese knotweed, what should I do?

Contact Invasive Weeds Agency’s team of experts to find out the best treatment programme to sort your Japanese knotweed or other invasive species issue. Call us now on 01383 416 556.

IWA. Getting to the root of the problem.

Japanese Knotweed- A Problem in Ellon

Japanese Knotweed a Problem in Ellon

Japanese Knotweed a Problem in Ellon

Once again, Japanese knotweed is in the papers as a councillor tries to have it brought under control. Unfortunately, this is an all too common tale. This time, Ellon in the north-east of Scotland is the place affected by Japanese knotweed and it is the local councillor, Gillian Owen, who is trying to get BEAR Scotland to bring the weed under control. The story was report by the Ellon Times and can be found here.

Similar stories have been popping up online over the past few months with areas of Wales seeming to be very badly affected by Japanese knotweed. So, it begs the question; what can be done to halt the spread of Japanese knotweed?

There are many ways to stop Japanese knotweed from spreading. There are two kinds of spread- natural growth and disturbance/accidental spread. The main thing for avoidance of the latter¬†is to prevent¬†disturbance the knotweed’s rhizomes or underground stem network unless the entire infestation is going to be removed and disposed of correctly. For the inexperienced,¬†removal of the entire infestation is not straightforward process as it may require digging to a depth of 3 metres below the surface. Having a go at it with a spade is a no-no!

The most common way to stop the spread of Japanese knotweed is herbicide treatment of the plant. One of the main reasons for this is that the costs are relatively low when compared with other methods of control or eradication. More details of our professional treatment methods can be found here.¬†Remember, Japanese knotweed in the UK does not spread by seed, therefore, preventing access to the area coupled with a herbicide treatment programme should halt the knotweed’s ability to spread.

If you need any additional info or wish to speak with an expert on Japanese knotweed or any other invasive weed, call us now on 01383 416 556.

IWA. Getting to the root of the problem.