I would try and not get it on your plants at all - quite an effective killer! But if your pour it straight from the bottle you should be able to achieve this, soaks into the dirt, and just pull the ones right near the plants out by hand.
The Lure Coursing is usually advertised about a week to two weeks before on the Yahoo Group "Sydney Lure Coursing". The Pinnicle Website has photos from the 09 May 10 day.
I rang their Head Office the other day and was told they are moving to a new location however don't have one as yet, and no timeframe for when they might.