Eradication of the asian long-horned beetle Since the original posting of this article the CFIA has again found the Asian long horned beetle in the Pearson airport area. Please refer to the new article “Asian long horned beetle back in Canada” for explanations on the regulated area, disposal of wood and debris and where to […]
Toronto arborists provides birch leafminer treatment Birch leafminer, a type of sawfly which originated in Europe and attacks all types of birch trees, has long been a pest in birch trees in the GTA. Signs of the pest can be seen in the damage – translucent brown blotches on leaves: In addition to being unsightly, […]
Properly prepare for the cold months with winter tree pruning With winter once again approaching it is time to consider the needs of your trees. Trees are frequently damaged by bending, breaking, splitting and failing during winter storms and snow fall. Tree pruning before winter storms move in makes it better able to carry the […]
Key points for watering trees Watering is perhaps the best service you can provide your trees. Drought is one of the leading stress factors that predispose trees to a huge variety of problems, including pests, decline and death. Water stress occurs when trees lose moisture through their leaves and cannot adequately replace it. Loss of […]
A caterpillar that defoliates trees. Large numbers of this insect occur at intervals of approximately 10 years.
Tree planting and replacement tips Ontree’s tree planting service has become popular with homeowners because we will do what most companies won’t: supply and install as few as one or two trees. On every job, large or small, Ontree’s competitive prices and professional, friendly and courteous staff provide peace of mind to our clients. It’s […]
Best time for tree pruning There are several prevalent myths and beliefs concerning the proper time trees should be pruned. For instance, it is a myth that trees, especially maples and birch, should not be pruned in the spring because they “bleed” sap. Similarly, there is a commonly held belief that trees cannot be pruned in […]
Diplodia is one of the most common and serious diseases of Austrian pines. It is caused by a fungus which becomes a destructive pathogen when its host is weakened by external factors. This disease also attacks other two and three needled pines such as mugo, Scots, and red pines.
A foliar disease that causes loss of leaves, reduction in fruit yield, and inedible fruit. Common in most types of apple trees, especially common in crab apple trees.
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