Dead Branch Removal Is Not A Storm Problem
The assumption is that dead branch removal is a wind problem. It is not, particularly, and that is why it gets left.
A limb dies, dries, and loses the flexibility that let it move with the wind. What actually drops it is the moment the connection to the trunk finally decays through, and that is a slow process with no external trigger. Plenty come down on a still afternoon in July.
That is why dead branch removal over a driveway, a patio, a shed roof or a footpath gets dealt with on its own account, rather than being left until the tree is due a trim anyway.
Spotting Dead Branch Removal Work From The Ground
Bare in July is the obvious one. If a limb has no leaf on it in high summer while the rest of the tree is in full leaf, it is dead.
Bark falling away in plates, leaving smooth pale wood underneath, is the next stage. Once bark is shedding, the wood beneath has been dead long enough to start drying.
Small twigs snapping off with a dry crack rather than bending. Green wood bends. Dead wood snaps.
Fungal brackets growing out of the limb or out of the union where it meets the trunk. That is decay that has already gone a long way, and it is a reason to have the whole tree looked at rather than just that branch.
Hangers Are The Urgent Kind Of Dead Branch Removal
A hanger is a branch that has already broken but has not reached the ground — caught up in the crown, hung on a lower limb, or swinging on a strip of bark.
Those are the ones to ring about the same day. There is no way to predict when a hanger drops and no way to make the ground under it safe except by getting it down. Keep people and cars out from underneath it until somebody with a rope can get to it.
If a hanger is resting on or near a hydro line, ring the utility before you ring us.
Dead Branch Removal On Ash Is Its Own Category
Emerald ash borer has been through the Grand River watershed since 2010 and the ash are still coming down. Dead branch removal on an ash is a different proposition from dead branch removal on a maple.
Ash that has been killed by the borer dries out unusually fast and gets brittle right through, including the union and the trunk. It tends to fail at the joints rather than snapping mid-limb, which is exactly where a climber's rope loads it.
So dead branch removal on a standing dead ash is done from a bucket, or the whole tree comes down from the ground, rather than climbing it and rigging off it. If your ash has been dead two or three seasons, the safe and cheap window has already passed and it only gets worse from here.