Transport for London are offering discounts on admittance to the Royal Botanic Gardens, Kew when using public transport. 

TfL have announced spring deals for users of public transport and one offer available for people is 30% a standard or concession ticket at Kew Gardens until 30th June, except Easter weekend. 

In order to take advantage of this offer, you just have to show that you have used a TfL service, excluding Santander Cycles, on the same day as visiting Kew at the gate using the TfL Oyster and contactless app or if booked online using the code: KEWTFL30. 

Other offers are available, such as 30% off entry at SEA LIFE London, The Lastminute.com London Eye, The London Dungeon, Madame Tussauds, and Shrek's Adventure! London, also accessed by using the TfL Oyster and contactless app or by booking in advance with the code: CityOffer. 

To find out more and see other offers then visit the website.