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  • About Us
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Seasonal Tips

Sugar Maple Decline

Sugar Maple Decline

Feb 20, 2015

One of Canada’s most loved tree species, the Sugar maple (Acer saccharum), may be in decline again. A tree that...

The root cause of tree issues

The root cause of tree issues

Feb 10, 2015

Many tree issues may stem from root and lower trunk damage in one form or another. Poor planting, construction damage,...

Ash Tree Removals

Ash Tree Removals

Jan 20, 2015

As most of you know, ash trees in the GTA (and beyond) are being affected by the Emerald Ash Borer,...

Pruning young trees and structural pruning

Pruning young trees and structural pruning

Sep 8, 2014

Tree pruning for young trees can help strengthen weak branches Formative pruning is essential to develop a youngster into a...

Pests, diseases, and issues to look out for in august and september

Pests, diseases, and issues to look out for in august and september

Sep 8, 2014

Pests, diseases, and issues to pay attention to Spider Mite Pest or Disease: Spider Mite Phenology and/or Species: Viburnum fruiting...

Pests, diseases, and issues to look out for in may and june

Pests, diseases, and issues to look out for in may and june

Jun 12, 2014

Pests, diseases and issues to pay attention to Bronze Birch Borer Pest or Disease: Bronze Birch Borer Phenology and/or Species:...

Checking for tree defects

Checking for tree defects

May 27, 2014

Toronto arborists detail areas to check for tree defects Recently Ontree’s arborists have noticed a few trees that are exhibiting...

Phenology Explained

Phenology Explained

Mar 10, 2014

Phenology explained by your certified Toronto arborists It’s not reading the bumps on your head Many of our clients inquire...

‘Spring’ Into Construction

‘Spring’ Into Construction

Mar 10, 2014

Learn about local bylaws before you start tree planting Spring is a popular time to begin all sorts of outdoor...

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Most Commented Posts

  • Birch leafminer treatment now available in Ontario By Ontree on February 15, 2013 4
  • Magnolia Scale Neolecanium Cornuparvum By Ontree on August 7, 2015 3
  • Pruning young trees and structural pruning By Ontree on September 8, 2014 2

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