Begijnhof, Delft, The Netherlands © Pascal Vyncke

Vary species and types

  • Biodiversity: 3
  • Air quality: 1
  • Multifunctional space usage: 1
  • Costs: 1
  • Maintenance/management: 1


Each plant has a specific purification capacity and thus is able to remove certain pollutants from the air. By planting various species and types together, pollutants can be partially captured from the air on a limited, local scale. Various types of vegetation (trees, bushes and groundcovers) have effect at different heights.