Rhus typhina - sucker problems?
Well I am glad to have found this forum, although it confirms my worst suspicions.
Fact is I now have suckers popping up all over the lawn and towards the house (it's ranged about 15 ft from the original tree which last winter I cut back to a stump.... but that set it into survival mode and its voracious suckering commenced. I have a further smaller one (5ft) - which I appear to have succesfully seen off using a weed killer (on the leaves). I shall be using the same method (weed killer) on the larger tree bark and leaves - and also spending a good week digging every single last root of this invasive. Will let folks know how long it takes to see off completely/progress on the eradication! |
Rhus typhina - sucker problems?
On 09/08/2017 20:47, Chris Hogg wrote:
On Wed, 9 Aug 2017 10:23:36 -0700 (PDT), wrote: Well I am glad to have found this forum, although it confirms my worst suspicions. Fact is I now have suckers popping up all over the lawn and towards the house (it's ranged about 15 ft from the original tree which last winter I cut back to a stump.... but that set it into survival mode and its voracious suckering commenced. I have a further smaller one (5ft) - which I appear to have succesfully seen off using a weed killer (on the leaves). I shall be using the same method (weed killer) on the larger tree bark and leaves - and also spending a good week digging every single last root of this invasive. Will let folks know how long it takes to see off completely/progress on the eradication! Repeated mowing should eventually make the suckers give up. You could also try a stump-killer such as Root-Out (technically, ammonium sulphamate) http://tinyurl.com/y8jwzht4 Drill a few deep holes into the original Rhus stump and spoon in crystals of the stuff, and cover with a tile or poly bag tied around with twine to keep the rain out. +1 adding a trace of copper sulphate also speeds up the rotting process (paradoxically by inhibiting anti fungal enzymes in the live wood) Regular mowing and/or Verdone weeds in lawn treatment will see off the suckers but there is a lot of stored energy in old tree roots and it may well persist for a season or two before it expires completely. -- Regards, Martin Brown |
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