Green’s Dictionary of Slang

Tea Garden, The n.

[the 17C construction of a maze and accompanying tea garden in Tothill Fields]

(UK Und.) Tothill Fields prison.

[UK]G.L. Chesterton Revelations of Prison Life I 22: The New Prison at Clerkenwell was styled ‘The Wells:’ Newgate, the ‘Stone jug:’ Horsemonger-Lane, ‘The Old Horse:’ and Tothill Fields, ‘The Tea Garden’.