Chop down
Definition 1 of 1
Pro Tip 1/3Action Intensity
Implies a forceful action often requiring several strikes, unlike a single cut. 
They had to chop down the thick vine blocking the path.
Pro Tip 2/3Physical Effort
Suggests physical labor, commonly associated with using an axe or large knife. 
Exhausted, he finally managed to chop down the old apple tree.
Pro Tip 3/3Complete Removal
Often means the entire plant is to be taken down, not just parts. 
You need to chop down that dead tree before it falls on your house.