This is why you don t leave wires and hose on trees ,how many times have we seen this ?What happens a lot is that planting contracts state that tree must be staked . So the landscaper stake them but the contract says nothing about removing stakes so landscaper are sure not going to come back a year later . The maintenance contracts are usually bid so tight they have no paid time to remove stakes ,wires ,and hoses . I think what would fix this is if the original install contract stated that landscaper would get paid to come back and remove stakes in 6 months to a year .