If you had known you were going to do this years ago you could've got some poppy seeds from @Stat Brother & created living directions. Yes I know it's the wrong time of year but it's the thought that counts! 😊
For the Brighton Festival there are 'Open Houses' where you can go & look at their artworks or whatever. Perhaps try & get in contact with the 'Open House' organisers or one of the people that are having an 'Open House' to see what they do? I'm pretty sure the festival guide has come out that...