My sister-in-law, Nurse Rachel, asked why I didn't just use a pressure washer. A) I don't have one, and b) I hadn't thought of that. She offered to bring hers (well, her dad's) down next time she visits. However, she's not coming down again until after the 100 days is up.
This item doesn't need doing until then anyway, as we don't tend to use the garden much in the winter months. So I'm shifting this onto list #2. There is a list #2 by the way, and it's growing all the time. And I'm going to be much better at doing it (because I'm not going to overestimate my abilities next time round).
I'm substituting for something nice and frivolous. Read on.