Organised by the London Parks and Gardens Trust, Open Garden Squares Weekend opens more than 200 gardens, located across 27 London boroughs over a single weekend. The gardens range from the historic and traditional to the new and experimental. They include classic London square gardens, roof gardens, community allotments, urban wildlife and ecology centres as well as the gardens of historic buildings, institutions, restaurants, schools and shops.
Although Haringey isn't hugely well represented at eh moment, there a couple of Haringey participants and plenty more nearby.
Just £10.00 for all gardens all weekend.