About the Landscape Juice Network

Founded in 2008. The Landscape Juice Network (LJN) is the largest and fastest growing professional landscaping and horticultural association in the United Kingdom.

LJN's professional business forum is unrivalled and open to anyone within within the UK landscape industry

LJN's Business Objectives Group (BOG) is for any Pro serious about building their business.

For the researching visitor there's a wealth of landscaping ideas, garden design ideas, lawn advice tips and advice about garden maintenance.


Sumach suckers

This is getting stupid.... for the first time I have not 1, not 2 but 3 lawns that are being invaded by Sumach suckers. I've tried Praxys - it was almost as if I had fed them, not tried to kill them. How do others deal with these suckers?

You need to be a member of Landscape Juice Network to add comments!

Join Landscape Juice Network

Votes: 0
Email me when people reply –


  • Chop the roots with an axe or mattock.

  • cut the offending root back at the trunk and try and get it out 

    sbk will do them but you will need about a foot of growth and leave one to two weeks after treating 

  • I've used Blaster Pro/Garlon (tryclopyr) successfully though it did take a bit of time to apply.  Mixed a strong solution up with some Roundup added for good luck............ used an old 1 litre bleach bottle with a short length of thin plastic tube attached to the spout..  Cut each sucker down to groundlevel and then put a few drops of the mixture onto the cut surface. 

    • PRO

      Staghorn a lovely tree in the right place . 

      Had one in a garden  sending out suckers but not near a lawn . 

      Simply chopped the suckers out which seemed to work but never left a clean cut on the end of the sucker , used a blunt pruning saw which gave it a ragged cut , an old time gardener once assured me its the best way to deal with suckers , pull , twist , hack but never a clean cut , others have said it will result in disease setting in so perhaps controvertial , wouldnt do it to roses but sumach suckers are usually along way off .

      The tree finally pushed a wall over so had to be removed , no more suckers but the tree was replaced , the suckers were a price worth paying but would be a different story if damaging the manicured lawn .

  • PRO Supplier

    Dab of glyphosate as 20% solution direct to cut face of the suckers or the triclopyr route using Icade (Garlon) to cut face..

This reply was deleted.

Industry Jobs


Are you looking for an exciting job where you can experience the great outdoors and have a meaningful impact on UK conservation? What better way to mitigate climate change and benefit wildlife than planting trees and helping to create biodiverse habitats. As the UK’s most experienced ecological consultancy and contractor, Ecosulis is  currently looking to


Opportunity for work experience in Arboriculture/Tree Surgery + Gardening/Landscaping. Based around Kings Lynn / Wisbech. Variety of work,mainly domestic,suitable for pre- college,or similar. Contact chris; hennelly@tiscali.co.uk        or       07940 759 121.


We are looking for an arborist/climber to join our small team for our our well established gardening, property and tree services company. We are looking for someone on an initial trial basis of 3-6 months which may lead to full time employment after this. We would also consider someone part time for 3 days per

Experienced gardener wanted

We are looking for a gardener to join our small team for our our well established gardening, property and tree services company. We are looking for someone that has the potential to move up to Head Gardener/Team Leader within a year. This means we require someone with ambition, enthusiasm, experience and a good knowledge of

Trade green waste centres

LJN Sponsor