Changes

The nature of bioretention cells is to attenuate stormwater from rainfall events of varying intensities. For this reason, the vegetation used must be suitable for the varying moisture conditions and is often categorized into three zones related to the grading of the feature.

The nature of bioretention cells is to attenuate stormwater from rainfall events of varying intensities. For this reason, the vegetation used must be suitable for the varying moisture conditions and is often categorized into three zones related to the grading of the feature.

#Low Zone (This area is frequently inundated during storm events, and is well-drained between rainfall

#Low Zone (This area is frequently inundated during storm events, and is well-drained between rainfall events.)

events.)

#*Mineral Meadow Marsh plant community  

#*Mineral Meadow Marsh plant community  

#*Grasses, Sedges, rushes, wildflowers, ferns and shrubs that have an ‘Obligate’ to ‘Facultative’ designation  

#*Grasses, Sedges, rushes, wildflowers, ferns and shrubs that have an ‘Obligate’ to ‘Facultative’ designation