I do not have an exact answer, but I am assuming they are deep. I live in arid Southern California we have a huge yew in our front yard we have been battling for a decade, it does not need water once established
deep
yew roots can be bought in the grand exchange. The only way to obtain them yourself is by growing a yew tree in a farming patch, needing the farming level to do so, cut it down, then dig it up and you obtain yew roots.
Yew bush
about 3 feet deep because a rose bushes roots are really long and deep
It is adapted because it uses it's deep roots to find water.
Shallow roots are roots that were shallow and grows horizontally, it conserves water during the rains. Deep roots were roots that grows deep into the ground to obtain water.
32"
An azalea bush can be moved by digging a very large hole around the bush and easing the roots loose keeping a lot of dirt on the roots. Do this in the spring or fall when there are no harsh temperatures.
Some roots like in desert areas go very deep . It is so because the water is not available near the surface of earth. The level of water is very less . It is located very deep. That is why roots go deep in soil in search of wate .r
The roots determine how deep to plant the tree, all the roots should be below the soil level and well spread out, but the base of the tree should not go below the soil level.
It means to have deep origins.
Longer handled shovels are better for digging out deep roots.