Changes

*The inclusion of vegetation with a variety of moisture tolerances ensures that the bioretention cell will adapt to a variety of weather conditions.

*The inclusion of vegetation with a variety of moisture tolerances ensures that the bioretention cell will adapt to a variety of weather conditions.

*Proper spacing must be provided for above-ground and below-ground utilities, and adjacent infrastructure.

*Proper spacing must be provided for above-ground and below-ground utilities, and adjacent infrastructure.

*Where possible, a combination of native trees, shrubs, and perennial herbaceous

*Where possible, a combination of native trees, shrubs, and perennial herbaceous materials should be used.

materials should be used.

*A planting mix with evergreen and woody plants will provide appealing textures and colors year round, but they may not be appropriate for snow storage areas.

*A planting mix with evergreen and woody plants will provide appealing textures and colors year round, but they may not be appropriate for snow storage areas.

*In areas where less maintenance will be provided and where trash accumulation in shrubbery or herbaceous plants is a concern, consider a “turf and trees” landscaping model.

*In areas where less maintenance will be provided and where trash accumulation in shrubbery or herbaceous plants is a concern, consider a “turf and trees” landscaping model.

*If trees are to be used, or the bioretention is located in a shaded location, then ensure that the chosen herbaceous plants are shade tolerant.  

*If trees are to be used, or the bioretention is located in a shaded location, then ensure that the chosen herbaceous plants are shade tolerant.  

*Spaces for herbaceous flowering plants can be included. This may be attractive at a community entrance location or in a residential rain garden.

*Spaces for herbaceous flowering plants can be included. This may be attractive at a community entrance location or in a residential rain garden.

Tables for identifying ideal species for bioretention are found in the [[Plant lists]]. See [[plant selection]] and [[planting design]] for supporting advice.

Tables for identifying ideal species for bioretention are found in the [[Plant lists]]. See [[plant selection]] and [[planting design]] for supporting advice.