A-Z Listing

Diseased trees, bushes and shrubs

Small quantities of diseased trees

Put small quantities of bagged diseased trees, bushes and shrubs directly into the black cart as garbage.

Special instructions

  • Diseased trees and shrubs must be bagged and securely tied closed to prevent the disease from spreading.
  • The bagged trees must fit inside of the black cart. Make sure the lid can be pulled over. Bags of yard waste set beside the black cart will not be collected.
  • Diseased trees and shrubs do not belong in the green cart.

Large quantities of diseased trees

Take large quantities of diseased trees to a City landfill –  charges will apply.

Special instructions

  • Diseased trees and shrubs must be bagged and securely tied closed to prevent the pests from spreading.
  • Your load must only contain infested trees/shrubs as this material must be disposed of in a separate section at the landfill, away from other yard waste.
  • You must notify the scale house operator that you have diseased trees and yard waste.

Diseased trees, bushes and shrubs includes those affected by:

  • Aphids

    Small pear shaped insects that feed on plant sap.

  • Ash leaf cone roller

    Caterpillar/moth like insect that rolls tree leaves.

  • Ash psyllid

    Small insects on tree leaves, resulting in curling leaves.

  • Black knot fungus

    Large knots (abnormal growths) of bark that encircle the branch.

  • Bronze leaf disease (BLD)

    Effects certain poplar and aspen trees.

  • Elm scale

    Tiny crawling insects on leaves, twigs and branches.

  • Fire blight

    A bacterial disease that browns and kills leaves, flowers and branches.

  • Oystershell Scale

    Small clusters of oyster-shaped “shells” that cover bark on shrubs and trees.

  • Satin moth

    Feeds on poplar tree leaves.

  • Yellow-headed spruce sawfly

    Caterpillar like insect on spruce needles.

Why can't diseased trees and shrubs be composted?

Plant diseases and insect infestations can spread during transportation and processing at the composting facility. By taking these troublesome species to the landfill we maintain high compost quality and reduce the spread of plant diseases and pests in our community.

Landfill hours and locations listed below:

Photo credit

  • Ash psyllid: Photo by David Gould, on naturespot.org.uk
  • Black knot fungus: Photo by Christine, CC BY 4.0 <https://creativecommons.org/licenses/by/4.0>, via Wikimedia Commons
  • Bronze leaf disease (BLD): Photo by Nancy Gregory, University of Delaware, Bugwood.org, CC BY 3.0 US <https://creativecommons.org/licenses/by/3.0/us/deed.en>, via Wikimedia Commons
  • Elm scale: Photo by J. Berger, Bugwood.org
  • Fire blight: Photo by I, Paethon, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=2261833
  • Oystershell Scale: Photo by SB_Johnny, CC BY-SA 3.0 <http://creativecommons.org/licenses/by-sa/3.0/>, via Wikimedia Commons
  • Satin moth: Photo by mollsie on Flickr
  • Yellow-headed spruce sawfly: Photo by Jeff Hahn, University of Minnesota Extension
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