Mountain ash brighten Edmonton yards with white flowers and orange berries, but they are prone to fire blight and pests. We care for mountain ash, treat their problems and remove them when needed.
Mountain ash, also called rowan, are popular small ornamental trees, loved for their spring blossom and bright autumn berries that draw in birds. It is worth knowing that despite the name, a mountain ash is not a true ash at all, so it is not affected by the emerald ash borer that threatens our green ash.
What mountain ash are prone to is fire blight, a bacterial disease that scorches branches brown as if burned, along with sawfly, aphids and scab. They are short-to-medium lived trees, and good care means catching disease early, pruning it out correctly and keeping the tree vigorous.
Pruning out blighted wood correctly to slow the spread.
Looking at mountain ash sawfly, aphids and scale.
See detailsKeeping the crown tidy and clear of dead wood.
Managing mess and suckers around the base.
Clearing broken limbs after weather.
Safe removal of a badly declined mountain ash.
More on thisFire blight spreads through bad cuts. Here is why to have it pruned properly.
Work done to ISA arborist standards by people who know trees, not a stranger with a saw.
Careful rigging and lowering so fences, lawns and buildings come through untouched.
Branches chipped, wood cleared and the site raked, cleaner than we found it.
A written price after a free look on site. The number we give is the number you pay.
Call or message and we visit to size up the job at no cost.
We explain what we recommend and confirm the price in writing.
The crew completes the job to ISA standards, safely and precisely.
We remove all debris and leave your yard clean.
No. Despite the name, mountain ash is a different tree entirely and is not a target of the emerald ash borer.
True ash trees, like the green ash lining many Edmonton streets, are in the genus Fraxinus and are the ones at risk from emerald ash borer. Mountain ash, or rowan, only shares part of the name because of its similar leaves. If you are worried about ash borer, the tree that matters is the true ash. See our ash tree care page for that.
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