20: Know and Understand
Answer the following questions using the information provided in this chapter.
Which of the following is included on the final plan?
A. Directional arrow and notes.
B. Plant list and planting diagram.
C. Legend and title block.
D. All of the above.
A 1:8 scale indicates 1″ on the drawing represents how many feet in the landscape?
A. 1′ to 8′
B. 8′
C. 16′
D. 18′
What is the actual length of a line that measures 10″ on a drawing with a 1:8 scale?
A. 8′
B. 16′
C. 40′
D. 80′
The shape, color, location, size, and quantities of the specific plants that will be installed is shown on the planting _____.
A. notes
B. scale
C. diagram
D. address
True or False?
The directional arrow is included to ensure all plant supports face north.
A. True
B. False
True or False?
There is no need to revisit a site or review a plan once it is finalized.
A. True
B. False
If twelve 14″ plants must be spaced 18″ OC, what distance should there be from the center of one plant to the center of the next plant?
A. 12″
B. 14″
C. 18″
D. 32″
If a planting bed measures 15′ × 5′ and the plants must be placed 14″ OC, how many 10″ plants will fill the area?
A. 45
B. 55
C. 90
D. 105
If a planting bed measures 18′ × 5′ and the plants must be placed 12″ OC, how many 12″ plants will fill the area?
A. 45
B. 55
C. 90
D. 105
Mulch is to be applied to a 15′ × 20′ flower bed. If mulch is applied 3″ deep, how many cubic yards of mulch is required to complete the job?
A. 2.78 yd³
B. 3.78 yd³
C. 4.78 yd³
D. 5.78 yd³
How many cubic yards of mulch is required to mulch a flower bed that measures 12′ 6″ × 4′ 2″? Assume the mulch is to be applied 3″ deep. (Do not forget to convert the inches to feet.)
A. 1 yd³
B. 0.48 yd³
C. 13 yd³
D. 3 yd³
True or False?
A slope of 18% will rise or fall 18″ vertically over a 100′ span.
A. True
B. False
Which of the following professions sources and arranges delivery of plant material?
A. Plant breeder.
B. Plant designer.
C. Plant broker.
D. Plant stager.
What is the primary purpose of a staging area?
A. An area for removing plants from pots.
B. An area to keep damaged plants.
C. A sorting and storage area for plants.
D. All of the above.
True or False?
Soil amendments, such as fertilizer, are inserted in each planting hole before a bedding plant is installed in the hole.
A. True
B. False
True or False?
Some plants are installed before others because their installation would otherwise damage materials in the surrounding area.
A. True
B. False
True or False?
If the planting area were backed by a border, such as a fence or hedge, workers would plant from the front of the bed and work their way toward the border.
A. True
B. False
For which of the following reasons do mature trees remaining on a site require protection during excavation and installation activities?
A. Roots cannot obtain water, air, and nutrients easily from compacted soil.
B. Damaged tree roots will prevent the new plants from growing.
C. Damaged tree roots will alter the fertility of the surrounding soil.
D. All of the above.
The single most important factor when planting trees and shrubs is the _____.
A. proper fertilizer
B. spacing between plants
C. planting depth
D. backfill
How much wider should the planting hole be than the root ball?
A. 3″ to 4″ wider.
B. 1 1/2 times wider.
C. 1 1/2 to 2 times wider.
D. 1″ to 2″ wider.
An injury that occurs in the winter on thin-barked trees when they are exposed to bright sun and cold temperatures is referred to as _____.
A. sunburn
B. sunscald
C. winter burn
D. All of the above.
True or False?
Newly installed plants become rootbound when the roots cannot penetrate the surrounding soil.
A. True
B. False
True or False?
The wire basket and burlap should be removed after the tree is placed in the hole to prevent root damage.
A. True
B. False
An earthen mound 4″ to 6″ tall installed around the drip zone of a tree is referred to as a _____.
A. berm
B. hill
C. perimeter zone
D. mulch line
What is the purpose of adding mulch to landscape beds?
A. To hold moisture.
B. To deter weeds.
C. To increase aesthetic value.
D. All of the above.
Water should be applied to newly installed landscape plantings until the soil reaches _____.
A. field capacity
B. complete saturation
C. full coverage
D. All of the above.
Staking trees provides trees with _____.
A. anchorage
B. wind protection
C. support
D. All of the above.
True or False?
When trees are not staked, their root systems are underdeveloped or fail to become established.
A. True
B. False
Which of the following statements regarding staking is true?
A. Cording should be attached as low as possible.
B. One stake should be on the side of prevailing winds.
C. Three stakes offer more protection than two stakes.
D. All of the above.
True or False?
Poles used for staking are perpendicular to the tree trunk.
A. True
B. False
Guying is a form of _____.
A. pruning large trees
B. fertilizing large trees
C. supporting large trees
D. slowing tree growth
Approximately how many years will it take for a tree with a caliper of 2″ to become established?
A. 12 months
B. 16 months
C. 24 months
D. 48 months
True or False?
Spacing of annuals and ground covers does not matter as the plants naturally spread and will cover in the area.
A. True
B. False
Which of the following is used by vines to climb a structure?
A. tendrils or twiners
B. adhesive pads
C. scramblers
D. All of the above.
True or False?
Having an estimation of the amount of time it takes to complete a job is useful for scheduling crews and determining labor costs.
A. True
B. False
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