Urban Forestry Quiz


1. How many trees are planted in Wisconsin each year?


2. When is Arbor Day celebrated in Wisconsin?

3. In one year, a single city tree provides $73 in air conditioning, $75 in

controlling erosion and storm water, $75 in wildlife shelter, and $50 in controlling
air pollution.
True or False?

4. A well-positioned shade tree planted near the southwest corner of a home can
keep it how much cooler than a home without a tree?
a. 5%
b. 10%
c. 15%
d. 20%

5. It is always necessary to stake a newly planted tree.
True or False?

6. When planting a tree with the roots balled and burlapped, it is necessary to

remove the burlap.
True or False?

7. A properly planted tree must have the root collar exposed.

True or False?

8. What percentage of tree roots are in the top 12 inches of the soil?

a. 10%
b. 30%
c. 60%
d. 90%

9. How far do roots extend out from the trunk of the tree?
a. Usually less than 5 feet   
b. To the drip line   
c. Half the height of the tree   
d. Up to 3 times the height of the tree

10. It is necessary to paint the tree wound after you remove a branch.

True or False?

11. Why should organic mulch be placed around the base of a tree?
a. Reduce Soil compaction d. Control weeds and grass
b. Protect the trunk from lawn mowers
c. Improve soil moisture retention
d. Control weeds and grass
e. All of the above

12. Once a tree is planted in the city, it takes care of itself.

True or False?

For the answers to these questions click here!