Cut the stems down to ground level and spray the new growth with Super Strength Glyphosate from Bayer or Deep Root Ultra Tree Stump & Weedkiller from Growing Success. This is absorbed by the young leaves and stems and kills the underground roots. Several applications will be needed for established clumps.
Gardening Expert: |
If you can't find what you are looking for on the website then you can ask one of our experts. To get in touch with us Click Here
We will try to get back to you with an answer as soon as we can.
Did you find this answer useful? Subscribe to our newsletter for gardeing news, projects, special offers and competitions.
Villa d'Este Gardens
Tivoli, Italy
Butchart Gardens
British Columbia, Canada
RHS Harlow Carr
Harrogate, United Kingdom
Lalbagh Botanical Garden
Bangalore, India
Powerscourt Gardens
Enniskerry, Co. Wicklow, Ireland
RHS Garden, Wisley
Woking, United Kingdom