Posted: 10/11/2017 at 22:26
Hire of a shredder can be very expensive even just for a day.
Once shredded the tree will yield just a tiny amount of chipped material.
It will need to be left to rot down before using as a mulch.
"Mulches from conifer trees and shrubs
Fresh conifer materials are more likely than broadleaf woody waste to contain phytotoxic compounds e.g. tannins, which can reduce germination and harm young plants. Again, this is unlikely to be an issue for mature plants, but chipped and shredded conifer mulches should be aged before use around establishing plants."