Thousands of Londoners joined London's biggest ever tree planting weekend on 1 and 2 December, to plant over 75,000 trees in their gardens, in their communities and at mass planting events. Tree giveaway A limited number of trees are still available from selected TCV sites across London. More about tree planting Find out how to choose, plant and look after your tree. Make our city greener Find out how you can do simple things to make our city greener, healthier and wilder. Related content London National Park City How the Mayor is helping to make London the world's first National Park City. Trees and woodlands London is one of the greenest cities in the world. Trees and woodlands make London a healthier, more attractive place. Environment newsletter Sign up now to receive updates on environmental policy, projects, events and opportunities. London Tree Map This map shows tree data from the London boroughs and Transport for London.