Dora - I have battled with Vinca for many years on Red Hill and the only way I have had success was unfortunately (for your back) with a mattock but use a smallish one as you need to get all rooting nodes - will take at least two attempts, but eventually you can win
Hi Michael - it’s on public land so I’m fairly uncomfortable about going out and digging in full view of everyone. I’m thinking of asking the local landcare if we can do a weeding party after lockdown.