In article ,
Brian Robertson writes:
|
| Hog Weed is fairly rare in my experience, but it spreads. (Yes I did
| mean 12') Knot weed I find to be depressingly problematic, virtually
| closing some paths when in full bloom and wiping out the other plant
| life around it. Balsalm is just everywhere and, like Knot Weed, seems to
| wipe out the competition.

Knotweed does have that effect, but I have seen neither hogweed nor
Himalayan balsam eliminate other plants.

| I think they are all introduced. No, they aren't taking over the UK, but
| they do seem to be leaving deep and unpleasant scars.

Just like sweet chestnut! Seriously.


Regards,
Nick Maclaren.