This post was published 5 years 1 month 2 days ago and subsequent events - including the closure of the Gardens - may have affected its current relevance or accuracy. The post is however kept on this site to maintain a record of events of the time. Please do however check the bottom of the post; as there may be more recent or relevant posts there.
The advertising poster for the Open Day is available for download here. If you have somewhere you could usefully (and legally!) display one – please feel free to print it out and do so.