Tree planters and tree pits
Tree planters are: ‘Bioretention systems with trees planted within them to enhance their capacity and performance and/or to deliver additional amenity and biodiversity benefits.’
A tree pit is: ‘A constructed underground structure that is used to create voided space to contain a soil and/or storage volume, and protect the root system of one or more trees when located within a paved area.'
Ref The SuDS Manual (C753), published by CIRIA in 2015.
A planter aslo refers simply to a decorative container in which plants are grown, though planters may also be used as traffic calming devices in the urban planing of neighbourhoods such as homezones.
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