Was the location decided in homage to his first hit Le Poinçonneur des Lilas ('the subway ticket puncher' 1964) ?
In any case Gainsbourg is now a garden in Paris (19ème arrondissement ).
Located near Porte des Lilas above the Peripherique as you can see (picture above), Le Jardin Serge Gainsbourg does not try to have all its plant domesticated.
The 'natural prairie' would not be out of place on some rocky hills of southern France.
Is there a smoking section?
Thanks to Damien Steffan of Mairie de Paris for sharing details with us.
(Jardin Serge Gainsbourg page is in French, photos by Anne Thomes).