>>1852318It takes some patience. I've read it can take 6 months to clear. Pretty much I'm following this recipe, with a couple tweaks:
https://dorsethomebrew.co.uk/the-ultimate-blackberry-wine-recipe/>>1852326Midlands UK. They're fucking everywhere through August. See if you know anyone who has demijohns lying around, it can be surprising how many people have one disused in their shed. Maybe not a giant one though.
>>1852327Definitely mugwort. Pic related is the entry in The Wild Flower Key, if it helps.