Q.Why Has My Monkey Puzzle Tree Died
We have had a monkey puzzle tree in our front garden for a few months. At Christmas it was lush and green but in the last two months it has become completely brown so we assume it is dead. /we just wondered why it hd died and the best way to remove it thankyou

Certified GKH Gardening Expert
It could be that the weather was too warm, or that too much moisture was provided at transplant. Though they enjoy moisture, they will need time to dry out a little as well. This will be to avoid root suffocation.
Here is an article that will help you to care for one the next go around:
https://www.gardeningknowhow.com/houseplants/monkey-puzzle/growing-monkey-puzzle-outdoors.htm