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City of Mississauga Parks and Forestry - City Trees & Boulevards

Caring For Your New Street Tree

Trees are planted to provide beauty and shade, to help improve air quality and to add economic value to your neighbourhood. The trees planted on your street are carefully chosen based on the tree's function, the intended location and the soil conditions.

Here are a few tips to help you keep your new street tree healthy:

Do Not Over Water
When planted, all new trees are well watered and will not need more water right away. Unless specific instructions are left by the tree planting contractor, please do not water your new tree right away as over watering will harm the tree and may kill it.
When to Water
During dry periods, water your tree twice a week. Watering the tree infrequently encourages the production of a deep root system and drought tolerant trees. Shallow watering encourages surface rooting which makes the tree more vulnerable to drought.
Maintain a Healthy Lawn and Boulevard
If you maintain a healthy lawn and boulevard, the tree should receive a sufficient amount of water.

Learn more here.

Leave Woodchips in Place
Woodchips are placed at the base of the tree to help reduce water loss by allowing water and nutrients to penetrate the soil.
  • Do not pile soil or grass clippings over the wood chips
  • Do not remove woodchips to plant flowers around tree
  • Do not remove woodchips to put inter-locking brick or concrete around the tree
Leave Support Stakes in Place
Support stakes are used to ensure the roots have time to establish and to support the growth of a strong, healthy and straight tree. The support stakes will be removed by the contractor within the two year warranty period. If you notice the tree is pushing against the wire guard please contact us so we can remove it.
Keep Grass Cutting Tools Away From Tree Trunk
Damage to the bark can result in the eventual decline or death of the tree.

It is illegal for any unauthorized individual to interfere with trees on City property (By-Law 91-75).

City staff are responsible for the maintenance of city-owned trees. If you think your tree requires maintenance, please contact 311 (905-615-4311 if outside city limits).

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