Birch leafminer is one of the most common leaf problems that distress homeowners. This insect was not a major issue for many years but has definitely shown up in larger numbers recently. Birch leafminers are the caterpillar-like larvae of at least 3 or 4 species of tiny sawflies that mine birch leaves. Sawflies are named [...]
Aphids like to feed on the soft growth of almost any plant. This includes most trees, though in Calgary Birch (Betula), Willow (Salix), Maple (Acer) and Mayday (Prunus padus) seem to be most affected. Aphids are able to reproduce without males which can lead to huge populations some years. Heavy populations can be tough to [...]
This insect is becoming a more serious pest to Ash trees in Calgary. Hot weather and a lack of water can cause stress for Green Ash and make them more susceptible to infestation. The Western Ash Bark Beetle lays its eggs in twigs and branches. Larvae develop and start galleries in the stem. As feeding [...]
Ash Leaf Cone Roller had become more established in Calgary over the previous decade but hasn’t been as bad the past few years. It mainly affects Green Ash trees (Fraxinus pennsylvanica). While the insect is in the caterpillar stage the insect rolls the leaf into a cone shape, causing the objectionable look of the tree. [...]
One common winter related tree issue in Calgary is winter desiccation (AKA winter drying). Winter desiccation occurs when the needles of evergreens are exposed to high winds and low temperatures. They dry out quickly because the ground is frozen and the tree is unable to replace the water lost from the foliage through evaporation. We [...]
Though trees go dormant during the winter months, we work year round. Many trees should only be pruned while dormant in the Winter months. We also offer our ReLeaf Tree Fertilizer programs to help strengthen the root system and increase the overall hardiness of your trees & shrubs to help them thrive through the winter [...]
