To be in with a chance of winning this fab prize, all you have to do is:
  1. Follow @southeastnt and @opensquares on Twitter
  2. Tweet @southeastnt and  @opensquares with the answer to this question followed by the hashtag #secretgardens:
    How many new places are taking part in Open Garden Squares weekend?
Competition closes at 12pm on 8 June

Terms and conditions
  1. The first correct answer selected at random by an independent person will win an afternoon tea for two at K+K Hotel, Templeton Place, SW5 and two tickets for Open Garden Squares weekend.
  2. This prize draw is open to residents of the UK, Channel Islands and the Isle of Man aged 18 years or over excluding employees and their families of The National Trust, Open Garden Squares Weekend, and K+K Hotel, their agents or anyone professionally connected with this promotion.
  3. Only one entry per household.
  4. The judge's decision is final and no correspondence will be entered into.
  5. The winner will be notified by Twitter direct message within 6 hours of the closing date which will give them an email address to respond to. If a winner does not respond via the email address specified setting out their contact details and address within 6 hours the Promoter has the right to pick another winner from all valid entries.