IWM 10 Year Insurance Backed Guarantee 10 year insurance backed guarantee

When will it be seen?

  • You’ll usually see giant hogweed during the autumn months 
  • It’s best treated during the summer time before it blooms in autumn
  • It’s commonly seen near riverbanks

What does it look like?

  • May reach as high as 3m tall
  • You will often see a purple tinge on the stems
  • The flowers will typically be white and face upwards

What are the seeds like? 

  • Dry, flat and oval-shaped
  • Typically around 1cm long
  • It will feel quite rigid 
  • A single plant can produce up to 50,000 seeds a day

You’ll find Invasive Weed Management experts around the country. Our locations include London, Leeds, Birmingham, Liverpool, Hull, Manchester, Bristol, Newcastle & Sheffield.

If you have concerns about giant hogweed, contact your local office today.

Find your local expert

Our experts are nationwide

What can we do to help?

We’ll put a plan in place to eradicate your invasive weed issue for good.

With over 10 years of experience working in the industry, we’re one of the very few contractors to be accredited with both INNSA and PCA.


Our commitment to working to the highest standards, and following up-to-date legislation allow us to get the best results for you.

Got concerns about other invasive species?

We’re the experts in all things invasive weeds. Find more information on the different types of invasive plants below.

Case Studies

Get in touch