MULCH

 
Regional single-processed brown hardwood mulch

Regional single-processed brown hardwood mulch

GENERAL INFORMATION & REQUIRED DETAILS:

Plant bed with natural edge created by a spade

Plant bed with natural edge created by a spade

  • Product:

    • Use a regionally specific, single processed brown hardwood mulch.

    • Hardwood bark mulch is defined as at least 85% lignin (bark) and generally produced from the debarking of logs at a sawmill or papermill.

    • Mulch should pass chemical testing for CCA treated wood contaminants.

    • Do not use mulch that is dyed (ie red), or mulch that contains cypress, pine, recycled content or green waste.

  • Installation and maintenance:

    • When installing near trees:

      • Do not mound up near tree base.

      • Install a minimum 3 inches layer of hardwood bark mulch around all trees and in all planting areas. Create a natural spaded edge where planting beds meet turf.

    • When installing near the building edge:

      • Mulch should be kept 18 inches from building edge, and any other wood, vinyl or deck areas as a fire prevention measure.

      • Use non-combustible materials such as rock or pea stone in between building edge and mulch as well as around gas meters or other combustible portions of the structure.

      • Create and maintain a slope away from the building.

      • Do not install mulch near smoking receptacles or designated smoking areas.

      • To prevent deep smoldering, do not pile mulch layers more than 3 inches.

      • Landscape beds adjacent to walkways shall be graded to prevent wash out of mulch into walkways.

    • Metal edging is only required between crushed granite or gravel and sod/plants.

    • No edging is required for landscape beds adjacent to concrete drives, walkways or curbs. Landscape beds adjacent to walkways shall be graded to prevent wash out of mulch into walkways.