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. About tree planting Find out how to choose, plant and look after your tree. Sign up for green emails Sign up to learn about local wildlife, help boost bee numbers, support the city's green spaces and lots more. Related content London's biggest ever tree planting weekend In National Tree Week thousands of Londoners volunteered to plant around 80,000 trees. Make our city greener Find out how you can do simple things to make our city greener, healthier and wilder. London National Park City How the Mayor is contributing to London being the world's first National Park City. Environment newsletter Sign up now to receive updates on environmental policy, projects, events and opportunities.